Explore 7 full stack software developer jobs from 3 hiring companies in Kewanee, IL, US. Filter by remote, salary, experience, and company, then open any listing to apply.

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Full Stack Software Developer

Galesburg

East Moline

Davenport

Moline

North Peoria

Bettendorf

Peoria

Sterling

Clinton

East Peoria

Geneseo

Washington

Dixon

Pekin

Canton

Princeton

Galva

Peru

Silvis

Full Stack Software Developer Jobs

Caterpillar

Parts Authority

Seneca Holdings

Onsite

Remote

Career Area:Technology, Digital and DataJob Description:Your Work Shapes the World at Caterpillar Inc. When you join Caterpillar, you&#39;re joining a global team who cares not just about the work we do – but also about each other.  We are the makers, problem solvers, and future world builders who are creating stronger, more sustainable communities. We don&#39;t just talk about progress and innovation here – we make it happen, with our customers, where we work and live. Together, we are building a better world, so we can all enjoy living in it.Your Impact Shapes the World at Caterpillar IncWhen you join Caterpillar, you&#39;re joining a global team who cares not just about the work we do – but also about each other. We are the makers, problem solvers and future world builders who are creating stronger, more sustainable communities. We don&#39;t just talk about progress and innovation here – we make it happen, with our customers, where we work and live. Together, we are building a better world, so we can all enjoy living in it.About Caterpillar Caterpillar Inc. is the world’s leading manufacturer of construction and mining equipment, off-highway diesel and natural gas engines, industrial gas turbines and diesel-electric locomotives. For nearly 100 years, we’ve been helping customers build a better, more sustainable world and are committed and contributing to a reduced-carbon future. Our innovative products and services, backed by our global dealer network, provide exceptional value that helps customers succeed.Job Summary:<ul><li>Caterpillar is seeking a Full Stack developer to join Financial Systems Data team. In this role you will play a key role in developing secure, high-performance applications tailored for financial services, while collaborating with cross-functional teams to deliver impactful solutions.</li></ul>What you will do:<ul><li>Develop and maintain secure, scalable web applications using React.js/Next.js and Python.</li><li>Design and implement backend services, APIs, and microservices with a focus on performance and reliability.</li><li>Deploy and manage applications on Microsoft Azure, leveraging services like Azure Functions and App Services.</li><li>Build and maintain CI/CD pipelines using Azure DevOps for efficient and safe code delivery.</li><li>Collaborate with product managers, designers, and other developers to define and deliver new features.</li><li>Ensure code quality through version control, code reviews, and automated testing.</li><li>Troubleshoot and optimize performance across the full stack.</li><li>Communicate technical concepts clearly to stakeholders and contribute to business value.</li></ul>Degree Requirement:<ul><li>Bachelor’s or Master’s in Computer Science or Software Engineering, or Equivalent education with at least 8 Years of experience</li></ul>Core Skills Required:<ul><li>Core Application Systems: Knowledge of major production application systems used for delivery of services to internal and external clients; ability to leverage major production application systems in diverse situations.</li><li>Problem Solving: Knowledge of approaches, tools, techniques for recognizing, anticipating, and resolving organizational, operational or process problems; ability to apply knowledge of problem solving appropriately to diverse situations.</li><li>Application Design, Architecture: Knowledge of basic activities and deliverables of application design; ability to utilize application design methodologies, tools and techniques to convert business requirements and logical models into a technical application design.</li><li>Implementation: Knowledge of how to run applications for organizations; ability to implement application software within an organization and help end-users perform specific tasks (ex: accounting or graphic design).</li><li>Requirements Analysis: Knowledge of tools, methods, and techniques of requirement analysis; ability to elicit, analyze and record required business functionality and non-functionality requirements to ensure the success of a system or software development project.</li><li>System and Technology Integration: Knowledge of the features and facilities of systems; ability to integrate and communicate among applications, databases and technology platforms.</li><li>System Testing: Knowledge of system and software testing; ability to design, plan and execute system testing strategies and tactics to ensure the quality of software at all stages of the system life cycle.  </li></ul><div><h3>What a Top Candidate Will Bring</h3><ul><li>Proven full‑stack engineering capability, delivering modern, scalable applications across a mature tech stack (including Next.js and internal platforms such as SvelteKit or Nuxt), with strong backend development experience using modern frameworks to build performant, reliable, and data‑driven services.</li><li>Deep Microsoft Azure expertise, with hands‑on experience designing, deploying, and supporting solutions across Azure Functions, App Services, storage, databases, and DevOps tooling, complemented by strong observability and monitoring capabilities using Azure Monitor and Application Insights to ensure application health, performance, and reliability.</li><li>A mature DevOps and cloud engineering mindset, with practical experience implementing CI/CD pipelines and Infrastructure as Code using ARM templates, Bicep, or Terraform.</li><li>Experience with containerized and cloud-native architectures, including the use of Docker and Kubernetes to support scalable, resilient applications.</li><li>A strong focus on security and quality, applying best practices in cloud and web security, clean coding standards, version control, and Git-based workflows.</li><li>Strong communicator and collaborative partner, leveraging AI‑enabled development practices to work effectively across engineering, product, and stakeholder teams, while continuously improving ways of working and embracing modern tools, frameworks, and engineering practices to deliver better outcomes.</li></ul></div>Additional Info:<ul><li>This position can be based in Peoria, IL, or Irving, TX</li><li>Domestic relocation assistance is available for those who qualify</li><li>Sponsorship is not available for all type of visa</li><li>International and Domestic travel up to 5%</li><li>This role requires onsite presence 5 days per week.</li></ul>Final details:Please frequently check the email associated with your application, including the junk/spam folder, as this is the primary correspondence method. If you wish to know the status of your application – please use the candidate log-in on our career website as it will reflect any updates to your status.<h3></h3><h3></h3>Summary Pay Range:$112,710.00 - $183,140.00Compensation and benefits offered may vary depending on multiple individualized factors, job level, market location, job-related knowledge, skills, individual performance and experience. Please note that salary is only one component of total compensation at Caterpillar. Benefits:Subject to plan eligibility, terms, and guidelines. This is a summary list of benefits.<ul><li>Medical, dental, and vision benefits*</li><li>Paid time off plan (Vacation, Holidays, Volunteer, etc.)*</li><li>401(k) savings plans*</li><li>Health Savings Account (HSA)*</li><li>Flexible Spending Accounts (FSAs)*</li><li>Health Lifestyle Programs*</li><li>Employee Assistance Program*</li><li>Voluntary Benefits and Employee Discounts*</li><li>Career Development*</li><li>Incentive bonus*</li><li>Disability benefits</li><li>Life Insurance</li><li>Parental leave</li><li>Adoption benefits</li><li>Tuition Reimbursement</li></ul>       * These benefits also apply to part-time employees<h3></h3><h3></h3><h3></h3><h3></h3><h3></h3><h3></h3><h3></h3>Posting Dates:May 1, 2026 - May 15, 2026Any offer of employment is conditioned upon the successful completion of a drug screen.      Caterpillar is an Equal Opportunity Employer, Including Veterans and Individuals with Disabilities.  Qualified applicants of any age are encouraged to apply.Not ready to apply? Join our <a href="http://flows.beamery.com/caterpillarinc/talcom" target="_blank">Talent Community</a>.

Full Stack Developer

8+ years experience in full stack development; React.js/Next.js, Python, Azure, CI/CD, and backend services.

Career Area:Technology, Digital and DataJob Description:Your Work Shapes the World at Caterpillar Inc. When you join Caterpillar, you&#39;re joining a global team who cares not just about the work we do – but also about each other.  We are the makers, problem solvers, and future world builders who are creating stronger, more sustainable communities. We don&#39;t just talk about progress and innovation here – we make it happen, with our customers, where we work and live. Together, we are building a better world, so we can all enjoy living in it.The successful candidate will join Caterpillar as a key contributor responsible for the design, development, and implementation of the new modern, cloud-based Global Warranty Management solution. Be part of a transformational program that streamlines dealer and business partner processes, accelerates and increases transparency in warranty experiences, and delivers actionable insights that drive product quality improvements and long-term profitability.This role offers the opportunity to be at the forefront of one of Caterpillar’s most exciting transformational initiatives over the coming years. You will play a pivotal role in supporting strategic change as we transition legacy systems to modern, cloud-based solutions via Agile software development.What You Will Do: We are seeking a seasoned Senior Software Engineer that has responsibility across functional lines with individuals assigned in new feature development and/or maintenance of a new complex Global Warranty Management solution. <ul><li>Competent to perform (without close supervision) all programming, project management, and development assignments following an Agile Methodology; normally assigned the more complex aspects of systems work.</li><li>Work directly on complex application/technical problem identification and resolution, including responding to off-shift and weekend support calls.</li><li>Work independently on complex systems or infrastructure components that may be used by one or more applications or systems.</li><li>Drive application development focused around delivering valuable business features.</li><li>Mentor and assist software engineers, providing technical assistance and direction as needed.</li><li>Maintain high standards of software quality within the team by establishing good practices and habits.</li><li>Design, test, and refine prompts and system instructions for large language models (LLMs) to support warranty workflows, decision support, reporting, and user assistance.</li><li>Identify and encourage areas for growth and improvement within the team.</li><li>Communicate with end users and internal customers to help direct development, debugging, and testing of application software for accuracy, integrity, interoperability, and completeness.</li><li>Perform integrated testing and customer acceptance testing of components that require careful planning and execution to ensure timely, quality results.</li><li>The employee is also responsible for performing other job duties as assigned by Caterpillar management from time to time.</li></ul>What You Will Have:<ul><li>Education Requirement: Bachelor’s degree in Information Technology, Management Information Systems, Computer Science, or a related field</li><li>Experience: At least 2 years of hands-on experience as an application developer, with proficiency in Java and JavaScript.</li></ul><ul><li>Software Development: Knowledge of software development tools and activities; ability to produce software products or systems in line with product requirements. Lead development activities, monitor quality, and advise on tool selection and utilization.</li></ul><ul><li>Software Product Technical Knowledge: Knowledge of technical aspects of a software product; ability to design, configure and integrate technical aspects of software products.</li></ul><ul><li>Software Product Testing: Execute functional, performance, and load testing; documents results and non-conformance. Apply testing methodologies to ensure compliance with design and requirements.</li></ul><ul><li>Effective Communications: Understanding of effective communication concepts, tools and techniques; ability to effectively transmit, receive, and accurately interpret ideas, information, and needs through the application of appropriate communication behaviors.</li><li>Decision Making and Critical Thinking: Knowledge of the decision-making process and associated tools and techniques; ability to accurately analyze situations and reach productive decisions based on informed judgment.</li></ul>  Top Candidates Will Also Have: <ul><li>Demonstrated leadership on medium to large-scale projects impacting strategic priorities.</li><li>Experience with deploying software using CI/CD tools such as Azure Dev Ops, GitHub actions.</li><li>Experience in collaborating with cross- functional teams including product managers, backend engineers and designers.</li><li>Experience with working within an Agile framework (ideally Scrum)</li><li>Extensive experience deploying and maintaining software using AWS public clouds.</li><li>Experience crafting clear, specific, and detailed prompts or specification documents to guide artificial intelligence (AI) tools in generating code.</li><li>Working knowledge of data structures, schemas, and metadata.</li><li>Collaborative mindset, thriving in fast-paced, cross-functional, dynamic, and culturally diverse environments.</li><li>Solid understanding of Caterpillar approved authentication and authorization protocols.</li><li>Extensive experience developing secure and scalable applications using Java 21 or higher and a Spring Boot framework</li><li>Experience with front-end development tools (JavaScript ES6&#43;, TypeScript, HTML, CSS, and JSX)</li><li>Experience with front-end frameworks such as React or Angular</li><li>Experience with some of the following AWS components (AWS ECS, AWS Lambda, AWS SNS, AWS Kinesis, AWS RDS, AWS DynamoDB)</li><li>Proven experience connecting React or Angular front ends to Java back-ends via RESTful APIs</li></ul>Additional Information:• This position will be based out of our Peoria, IL office or Irving, TX office.About Caterpillar –For more than a century, Caterpillar has helped build a better, more sustainable world. With 2025 sales and revenues of $67.6 billion, Caterpillar Inc. is shaping the future as the world’s leading manufacturer of construction and mining equipment, off-highway diesel and natural gas engines, industrial gas turbines and diesel-electric locomotives. Backed by one of the largest independent global dealer networks and financing services through Cat Financial, the company’s primary business segments: Power &amp; Energy, Construction Industries and Resource Industries are solving customers’ toughest challenges through commercial excellence and advanced technology, driven by a highly skilled, dedicated global team. Learn more at <a href="https://www.caterpillar.com/en.html" target="_blank">www.caterpillar.com</a>. <h3></h3><h3></h3>Summary Pay Range:$112,710.00 - $183,140.00Compensation and benefits offered may vary depending on multiple individualized factors, job level, market location, job-related knowledge, skills, individual performance and experience. Please note that salary is only one component of total compensation at Caterpillar. Benefits:Subject to plan eligibility, terms, and guidelines. This is a summary list of benefits.<ul><li>Medical, dental, and vision benefits*</li><li>Paid time off plan (Vacation, Holidays, Volunteer, etc.)*</li><li>401(k) savings plans*</li><li>Health Savings Account (HSA)*</li><li>Flexible Spending Accounts (FSAs)*</li><li>Health Lifestyle Programs*</li><li>Employee Assistance Program*</li><li>Voluntary Benefits and Employee Discounts*</li><li>Career Development*</li><li>Incentive bonus*</li><li>Disability benefits</li><li>Life Insurance</li><li>Parental leave</li><li>Adoption benefits</li><li>Tuition Reimbursement</li></ul>       * These benefits also apply to part-time employees<h3></h3><h3></h3>This position requires working onsite five days a week.<h3></h3><h3></h3>Relocation is available for this position.<h3></h3>Visa Sponsorship is not available for this position.<h3></h3><h3></h3>Posting Dates:May 4, 2026 - May 10, 2026Any offer of employment is conditioned upon the successful completion of a drug screen.      Caterpillar is an Equal Opportunity Employer, Including Veterans and Individuals with Disabilities.  Qualified applicants of any age are encouraged to apply.Not ready to apply? Join our <a href="http://flows.beamery.com/caterpillarinc/talcom" target="_blank">Talent Community</a>.

Senior Software Engineer (Full Stack)

Senior Software Engineer

2+ years in Java and JavaScript; full-stack development; Agile; CI/CD; AWS; React/Angular; Spring Boot; strong communication.

Career Area:Technology, Digital and DataJob Description:Your Work Shapes the World at Caterpillar Inc. When you join Caterpillar, you&#39;re joining a global team who cares not just about the work we do – but also about each other.  We are the makers, problem solvers, and future world builders who are creating stronger, more sustainable communities. We don&#39;t just talk about progress and innovation here – we make it happen, with our customers, where we work and live. Together, we are building a better world, so we can all enjoy living in it.The successful candidate will join Caterpillar as a key contributor responsible for the design, development, and implementation of the new modern, cloud-based Global Warranty Management solution. Be part of a transformational program that streamlines dealer and business partner processes, accelerates and increases transparency in warranty experiences, and delivers actionable insights that drive product quality improvements and long-term profitability.This role offers the opportunity to be at the forefront of one of Caterpillar’s most exciting transformational initiatives over the coming years. You will play a pivotal role in supporting strategic change as we transition legacy systems to modern, cloud-based solutions via Agile software development.What You Will Do: We are seeking a Software Engineer (Full Stack) that has responsibility across functional lines with individuals assigned in new feature development and/or maintenance of a new complex Global Warranty Management solution. <ul><li>Competent to perform (without close supervision) all programming, project management, and development assignments following an Agile Methodology.</li><li>Work directly on application/technical problem identification and resolution, including responding to off-shift and weekend support calls.</li><li>Work independently on systems or infrastructure components that may be used by one or more applications or systems.</li><li>Drive application development focused around delivering valuable business features.</li><li>Maintain high standards of software quality by establishing good practices and habits.</li><li>Design, test, and refine prompts and system instructions for large language models (LLMs) to support warranty workflows, decision support, reporting, and user assistance.</li><li>Communicate with end users and internal customers to help direct development, debugging, and testing of application software for accuracy, integrity, interoperability, and completeness.</li><li>Perform integrated testing and customer acceptance testing of components that require careful planning and execution to ensure timely, quality results.</li><li>The employee is also responsible for performing other job duties as assigned by Caterpillar management from time to time.</li></ul>What You Will Have: Education Requirement: Bachelor’s degree in Information Technology, Management Information Systems, Computer Science, or a related fieldExperience: At least 2 years of hands-on experience as an application developer, with proficiency in Java and JavaScript.Software Development: Knowledge of software development tools and activities; ability to produce software products or systems in line with product requirements. Participate in development activities, tool selection and utilization, and monitor quality.Software Product Technical Knowledge: Knowledge of technical aspects of a software product; ability to design, configure and integrate technical aspects of software products.Software Product Testing: Execute functional, performance, and load testing; documents results and non-conformance. Apply testing methodologies to ensure compliance with design and requirements.Effective Communications: Understanding of effective communication concepts, tools and techniques; ability to effectively transmit, receive, and accurately interpret ideas, information, and needs through the application of appropriate communication behaviors.Decision Making and Critical Thinking: Knowledge of the decision-making process and associated tools and techniques; ability to accurately analyze situations and reach productive decisions based on informed judgment.Top Candidates Will Also Have: <ul><li>Experience with deploying software using CI/CD tools such as Azure Dev Ops, GitHub actions.</li><li>Experience in collaborating with cross- functional teams including product managers, backend engineers and designers.</li><li>Experience with working within an Agile framework (ideally Scrum).</li><li>Experience deploying and maintaining software using AWS public clouds.</li><li>Experience crafting clear, specific, and detailed prompts or specification documents to guide artificial intelligence (AI) tools in generating code.</li><li>Working knowledge of data structures, schemas, and metadata. Collaborative mindset, thriving in fast-paced, cross-functional, dynamic, and culturally diverse environments.</li><li>Understanding of Caterpillar approved authentication and authorization protocols.</li><li>Experience developing secure and scalable applications using Java 21 or higher and a Spring Boot framework.</li><li>Experience with front-end development tools (JavaScript ES6&#43;, TypeScript, HTML, CSS, and JSX).</li><li>Experience with front-end frameworks such as React or Angular Experience with some of the following AWS components (AWS ECS, AWS Lambda, AWS SNS, AWS Kinesis, AWS RDS, AWS DynamoDB).</li><li>Experience connecting React or Angular front ends to Java back-ends via RESTful APIs.</li></ul>Additional Info:<ul><li>The ideal location for this role is Peoria-IL, Irving-TX</li></ul>About Caterpillar – For more than a century, Caterpillar has helped build a better, more sustainable world. With 2025 sales and revenues of $67.6 billion, Caterpillar Inc. is shaping the future as the world’s leading manufacturer of construction and mining equipment, off-highway diesel and natural gas engines, industrial gas turbines and diesel-electric locomotives. Backed by one of the largest independent global dealer networks and financing services through Cat Financial, the company’s primary business segments: Power &amp; Energy, Construction Industries and Resource Industries are solving customers’ toughest challenges through commercial excellence and advanced technology, driven by a highly skilled, dedicated global team. Learn more at <a href="https://www.caterpillar.com/en.html" target="_blank">www.caterpillar.com</a>. <h3></h3><h3></h3>Summary Pay Range:$97,530.00 - $158,480.00Compensation and benefits offered may vary depending on multiple individualized factors, job level, market location, job-related knowledge, skills, individual performance and experience. Please note that salary is only one component of total compensation at Caterpillar. Benefits:Subject to plan eligibility, terms, and guidelines. This is a summary list of benefits.<ul><li>Medical, dental, and vision benefits*</li><li>Paid time off plan (Vacation, Holidays, Volunteer, etc.)*</li><li>401(k) savings plans*</li><li>Health Savings Account (HSA)*</li><li>Flexible Spending Accounts (FSAs)*</li><li>Health Lifestyle Programs*</li><li>Employee Assistance Program*</li><li>Voluntary Benefits and Employee Discounts*</li><li>Career Development*</li><li>Incentive bonus*</li><li>Disability benefits</li><li>Life Insurance</li><li>Parental leave</li><li>Adoption benefits</li><li>Tuition Reimbursement</li></ul>       * These benefits also apply to part-time employees<h3></h3><h3></h3>This position requires working onsite five days a week.<h3></h3><h3></h3>Relocation is available for this position.<h3></h3>Visa Sponsorship is not available for this position.<h3></h3><h3></h3>Posting Dates:April 15, 2026 - April 26, 2026Any offer of employment is conditioned upon the successful completion of a drug screen.      Caterpillar is an Equal Opportunity Employer, Including Veterans and Individuals with Disabilities.  Qualified applicants of any age are encouraged to apply.Not ready to apply? Join our <a href="http://flows.beamery.com/caterpillarinc/talcom" target="_blank">Talent Community</a>.

Software Engineer (Full Stack)

Software Engineer

Bachelor’s degree in IT/ MIS/ CS or related field; 2+ years as application developer; proficient in Java and JavaScript; experience with CI/CD, AWS, React/Angular, REST APIs; strong communication and Agile experience.

Career Area:Technology, Digital and DataJob Description:Your Work Shapes the World at Caterpillar Inc. When you join Caterpillar, you&#39;re joining a global team who cares not just about the work we do – but also about each other.  We are the makers, problem solvers, and future world builders who are creating stronger, more sustainable communities. We don&#39;t just talk about progress and innovation here – we make it happen, with our customers, where we work and live. Together, we are building a better world, so we can all enjoy living in it.Lead Architect Role Summary:This position helps Caterpillar solve its customers’ toughest challenges while building a better and more sustainable world. The Lead Architect will deliver strategic technology initiatives within the Commercial Process Division (CPD), part of the Power and Energy Group.CPD focuses on the development and delivery of services, solutions, and processes that support Caterpillar’s commitment to customers, including the global Dealer Network. The incumbent collaborates with business partners and enterprise teams to create business-relevant IT and business strategies for CPD.What You Will Do: Architecture &amp; Solution Delivery<ul><li>Lead end‑to‑end architecture, design, and delivery of scalable, secure, full‑stack solutions using Agile methodologies.</li><li>Define and evolve application architecture across frontend, backend, integration, and data layers, ensuring alignment with enterprise standards and business goals.</li><li>Partner with product owners and stakeholders to translate business requirements into technical solutions and architectural designs.</li></ul>Technical Leadership<ul><li>Provide hands‑on technical leadership, including designing, coding, and reviewing critical components and shared frameworks.</li><li>Establish and enforce coding standards, architectural patterns, and best practices for performance, scalability, reliability, and security.</li><li>Serve as a technical escalation point, enabling high‑performing, product‑focused teams.</li></ul>DevOps, Automation &amp; Quality<ul><li>Lead DevOps and CI/CD strategy, ensuring high‑quality, frequent, and reliable releases through automation.</li><li>Drive an automation‑first and AI‑enabled mindset, embedding intelligent automation across development, testing, and operational workflows.</li><li>Oversee automated testing and quality engineering practices across the full SDLC.</li></ul>Mentorship &amp; Collaboration<ul><li>Mentor engineers and guide teams through complex architectural and technical decisions.</li><li>Collaborate closely with business leaders, product teams, and enterprise IT partners.</li></ul>What You Have: Core Qualifications<ul><li>Strong Agile mindset, with experience working in or leading product‑centric, cross‑functional teams.</li><li>Proven experience designing and delivering solutions within the Azure ecosystem, including Azure DevOps.</li><li>Deep expertise in .NET‑based full‑stack architecture, with the ability to evaluate and select appropriate technologies.</li></ul>Technical Expertise<ul><li>Experience across modern engineering languages and platforms, including:<ul><li>C#, ASP.NET, Java, JavaScript, Python, SQL</li></ul></li><li>Strong understanding of secure‑by‑design (Cyber Safe) development principles and application security best practices.</li><li>Hands‑on experience with DevOps, CI/CD pipelines, infrastructure automation, and automated testing frameworks.</li></ul>Leadership &amp; Communication<ul><li>Excellent communication and leadership skills.</li><li>Ability to influence both technical and non‑technical stakeholders.</li></ul>Skills Descriptors:Decision Making and Critical Thinking: <ul><li>Analyzes situations and reaches productive decisions using informed judgment.</li><li>Identifies, organizes, and documents relevant data, stakeholders, and processes.</li><li>Recognizes, clarifies, and prioritizes concerns while assessing risks, benefits, and alternatives.</li></ul>Effective Communications:<ul><li>Communicates clearly and appropriately for the audience.</li><li>Delivers constructive feedback and incorporates feedback from others.</li><li>Produces presentations and reports needed for effective delivery.</li><li>Avoid unnecessary technical jargon and recognizes non‑verbal cues.</li></ul>Software Development:<ul><li>Produces software aligned with product requirements.</li><li>Conducts walkthroughs and monitors quality of development activities.</li><li>Evaluates advantages and drawbacks of development languages and tools.</li><li>Estimates and monitors development costs and consults on tool selection and usage.</li></ul>Software Development Life Cycle:<ul><li>Applies structured lifecycle methodologies for delivering software products.</li><li>Understands phases, dependencies, deliverables, and decision points.</li><li>Interprets product development plans and functional documentation.</li></ul>Software Integration Engineering:<ul><li>Designs and implements interfaces and integration patterns.</li><li>Understands ETL tools and data exchange techniques.</li><li>Participates in developing technology interfaces and bridges with customer and partner systems</li></ul>Software Product Design/Architecture:<ul><li>Leads architecture and design of major or multiple products.</li><li>Evaluates architectural alternatives and design tradeoffs.</li><li>Facilitates design reviews and walkthroughs.</li><li>Estimates cost and impact of proposed architectural designs.</li></ul>Software Product Technical Knowledge:<ul><li>Defines technical requirements for development and deployment.</li><li>Participate in technical acceptance testing and environment configuration.</li><li>Monitors defects, bugs, and implementation issues.</li></ul>Software Product Testing:<ul><li>Designs and participates in testing strategies including functional, volume, load, and performance testing.</li><li>Documents test activities, results, and non‑conformance issues.</li><li>Ensures adherence to functional requirements and design specifications.</li></ul>Additional Info:<ul><li>The primary location for this position is Ft. Worth, TX.</li><li>Domestic relocation is NOT available.</li><li>This role requires 5 days onsite.</li><li>SPONSORSHIP IS NOT AVAILABLE.</li></ul>What You Will Get:<ul><li>Our goal at Caterpillar is for you to have a rewarding career. Our teams are critical to the success of our customers who build a better world.</li><li>Here you earn more than just a salary because we value your performance. We offer a total rewards package that provides benefits on day one (medical, dental, vision, RX, and 401K) along with the potential of an annual bonus. Added benefits include paid vacation days and paid holidays.</li><li>All qualified individuals - Including minorities, females, veterans, and individuals with disabilities - are encouraged to apply.</li></ul>About Caterpillar - Caterpillar Inc. is the world’s leading manufacturer of construction and mining equipment, off-highway diesel and natural gas engines, industrial gas turbines and diesel-electric locomotives. For nearly one hundred years, we’ve been helping customers build a better, more sustainable world and are committed and contributing to a reduced-carbon future. Our innovative products and services, backed by our global dealer network, provide exceptional value that helps customers succeed.<h3></h3><h3></h3>Summary Pay Range:$128,470.00 - $208,770.00Compensation and benefits offered may vary depending on multiple individualized factors, job level, market location, job-related knowledge, skills, individual performance and experience. Please note that salary is only one component of total compensation at Caterpillar. Benefits:Subject to plan eligibility, terms, and guidelines. This is a summary list of benefits.<ul><li>Medical, dental, and vision benefits*</li><li>Paid time off plan (Vacation, Holidays, Volunteer, etc.)*</li><li>401(k) savings plans*</li><li>Health Savings Account (HSA)*</li><li>Flexible Spending Accounts (FSAs)*</li><li>Health Lifestyle Programs*</li><li>Employee Assistance Program*</li><li>Voluntary Benefits and Employee Discounts*</li><li>Career Development*</li><li>Incentive bonus*</li><li>Disability benefits</li><li>Life Insurance</li><li>Parental leave</li><li>Adoption benefits</li><li>Tuition Reimbursement</li></ul>       * These benefits also apply to part-time employees<h3></h3><h3></h3>This position requires working onsite five days a week.<h3></h3><h3></h3><h3></h3>Visa Sponsorship is not available for this position.<h3></h3><h3></h3>Posting Dates:April 30, 2026 - May 14, 2026Any offer of employment is conditioned upon the successful completion of a drug screen.      Caterpillar is an Equal Opportunity Employer, Including Veterans and Individuals with Disabilities.  Qualified applicants of any age are encouraged to apply.Not ready to apply? Join our <a href="http://flows.beamery.com/caterpillarinc/talcom" target="_blank">Talent Community</a>.

Lead Architect

Lead end-to-end architecture and delivery of scalable, secure, full-stack solutions; strong Azure and .NET background; proficient in modern languages; effective leader and communicator.

Senior Full Stack Developer (React)

Senior Full Stack Developer

5+ years full-stack production experience; Python (FastAPI/Flask) and React (TypeScript); AI/ML integration; Kafka; PostgreSQL; Redis; strong communication.

5+ years professional experience building production web apps; 2+ years in senior/lead roles; strong Python and React/TypeScript; AI/ML integration; Kafka/event-driven architectures; PostgreSQL/Redis; Kubernetes/DevOps; AS400 integration experience preferred

Western Door Federal&nbsp;is part of the Seneca Nation Group (SNG) portfolio of companies. SNG is the federal government contracting business wholly owned by the&nbsp;<a href="http://www.sni.org/">Seneca Nation of Indians</a>. SNG meets mission-critical needs of federal civilian, defense, and intelligence community customers across a variety of domains. The SNG portfolio receives shared services support from its parent company&nbsp;<a href="http://www.senecaholdings.com/">Seneca Holdings</a>&nbsp;and is comprised of multiple companies that participate in the Small Business Administration 8(a) program. To learn more visit&nbsp;<a href="http://www.senecanationgroup.com/">www.senecanationgroup.com</a>&nbsp;and follow us on&nbsp;<a href="https://www.linkedin.com/company/seneca-nation-group/">LinkedIn</a>.
The Seneca Nation Group companies offer competitive compensation and a strong benefits package including comprehensive medical and dental care, matching 401K, paid time off, flexible spending accounts, disability coverage, and other benefits that help provide financial protection for you and your family. We pride ourselves on our collaborative work environment and culture which embraces our mission of providing financial and non-financial benefits back to the members of the Seneca Nation.
This position is to provide the Knowledge and Data Management Branch (KDM) of DEVCOM Chemical Biological Center located at Rock Island Arsenal, IL. KDM develops and maintains information systems for several government customers. The majority of the KDM mission supports the Joint Executive Program Office for Chemical, Biological, Radiological, and Nuclear Defense (JPEO-CBRND). This mission directly supports the acquisition programs for CBRN Equipment (CBRNE) for the Warfighter. KDM requires contractor support using non-personal services contracts to execute their mission of developing accredited information systems.
Western Door Federal is seeking a Software Developer&nbsp;– Intermediate at the Rock Island Arsenal, in Rock Island, IL. The objective of this work is to provide on-site support and be responsible for the day-to-day performance of the work/contract.
&nbsp;
Responsibilities include, but are not limited to:
<ul>
<li>Responsible for full-stack software development to include back-end database script artifacts (tables, indexes, functions, stored procedures, etc.), middle tier software code that moves data from databases, applies any business rules and responds to client requests, and client software that covers a wide range of user / data consumer interactions.</li>
<li>Work under general technical direction, to develop, modify moderately to highly complex web-based applications.</li>
<li>Design, code, test, debug, document, and maintain full stack web-applications.</li>
<li>Work in a software development life cycle, apply security and vulnerability best practices, and require little or no instruction and guidance in performing routine tasks.</li>
<li>Collaborate with other members of the DEVCOM CBC software development team, understand and implement change requests, have superb interpersonal and communication skills.</li>
<li>Participate in team meetings with the government to improve understanding of the mission, tools, concepts, frameworks, and increase effectiveness in delivering software code.</li>
<li>Develop and deliver C# and Microsoft .NET Software Code for DEVCOM CBC KDM. Includes proficiency with old and new Microsoft .NET Frameworks (.NET Framework, .NET Core, etc) There is legacy code that needs to be maintained. Some of the legacy code may need to be refactored, which may include re-writing to use newer framework versions.</li>
<li>Work proficiently in the latest in library code for Microsoft .NET and demonstrate the ability to effectively apply Microsoft and other 3rd party library code written for .NET to delivered software code solutions.</li>
<li>Develop and deliver Web Based Client Software Code for DEVCOM CBC KDM using HTML, JavaScript, CSS, and associated frameworks such as Bootstrap, jQuery, etc.</li>
<li>Develop and deliver SQL Database Scripts for DEVCOM CBC KDM; includes developing SQL database scripts to create, remove, update database objects such as tables, indexes, stored procedures, user functions, etc. Scripts not only must account for changing the schema, but also transforming any data because of a schema change. Scripts must be written with database version control in mind. The IS solutions exist in several environments such as developer, test, staging and production on one or more devices. Therefore, the database in these environments may exist in various versions or states. Any developer or build machine should be able to run scripts from a given database version / state up to the latest.</li>
<li>Review code based on the code review standards below "PRIOR" to request a code review. Regular, recurring, and continuous re-work within the AQL levels are cause for concern. Includes writing any applicable unit testing software code. Code review consists of software code that:</li>
<ul>
<li>Contains no errors or warnings using code analysis tools in use by the government.</li>
<li>Passes builds and executes as intended.</li>
<li>No style analysis errors or warnings.</li>
<li>Passes all unit tests.</li>
<li>Adheres to refactoring best practices. The government shall provide instruction, documentation, or publications. The standards are industry best practices for refactoring code and using published design patterns.</li>
</ul>
</ul>
<ul>
<li>Create, update, and deliver application documentation for DEVCOM CBC KDM. Application documentation includes any artifacts such as narratives, diagrams, flow charts, UML diagrams, etc that further describe design patterns, refactoring, of software code beyond comments, and inline documentation markup in the software code. All documentation will be evaluated for adherence to proper formatting, completeness, accuracy and ease of understanding.</li>
<li>Other examples include, but are not limited to:
<ul>
<li>Application configuration guide</li>
<li>User guide/documentation</li>
<li>IA documentation</li>
</ul>
</li>
<li>Develop application documentation using GFP and government furnished software, stored and worked on government resources.</li>
</ul>
Basic Qualifications:
<ul>
<li>Active Secret Clearance</li>
<li>DoD 8570.01-M IAT Level I Certification</li>
<li>Apply skills at a complexity level and velocity equivalent to three (3) years of paid experience in developing full stack web-based applications.</li>
<li>Have effective technical, communication, skills, and experience to recommend design solutions and improvements that enhance the software cost, schedule, performance.</li>
<li>Proficient with C# and Microsoft .NET Software Code for DEVCOM CBC KDM. Includes proficiency with old and new Microsoft .NET Frameworks (.NET Framework, .NET Core, etc)</li>
<li>Proficient in the latest in library code for Microsoft .NET and demonstrate the ability to effectively apply Microsoft and other 3rd party library code written for .NET to delivered software code solutions.</li>
</ul>
<ul>
<li>Proficient with developing web-based client software using HTML, JavaScript, CSS, and associated frameworks such as Bootstrap, jQuery, etc.</li>
</ul>
<ul>
<li>Proficient with delivering SQL Database Scripts; includes developing SQL database scripts to create, remove, update database objects such as tables, indexes, stored procedures, user functions, etc. versions or states.</li>
</ul>
<ul>
<li>Excellent attention to detail.</li>
</ul>
<ul>
<li>Excellent written and oral communication skills.</li>
</ul>
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Diversity, Equity &amp; Inclusion Statement: 
The Seneca Holdings family of companies is committed to building an inclusive work environment that encourages, supports, and celebrates the diversity of our employees. We recognize that an inclusive corporate culture improves how we support our customers and also improves the collective impact we can make in our communities.
&nbsp;
Equal Opportunity Statement:
&nbsp;
Seneca Holdings provides equal employment opportunities to all employees and applicants without regard to race, color, religion, sex/gender, sexual orientation, national origin, age, disability, marital status, genetic information and/or predisposing genetic characteristics, victim of domestic violence status, veteran status, or other protected class status. This policy applies to all terms and conditions of employment, including, but not limited to, hiring, placement, promotion, termination, layoff, recall, transfer, leave of absence, compensation and training. The Company also prohibits retaliation against any employee who exercises his or her rights under applicable anti-discrimination laws. Notwithstanding the foregoing, the Company does give hiring preference to Seneca or Native individuals. Veterans with expertise in these areas are highly encouraged to apply. &nbsp;<div class="content-conclusion">
Equal Opportunity Statement: Seneca Holdings provides equal employment opportunities to all employees and applicants without regard to race, color, religion, sex/gender, sexual orientation, national origin, age, disability, marital status, genetic information and/or predisposing genetic characteristics, victim of domestic violence status, veteran status, or other protected class status. This policy applies to all terms and conditions of employment, including, but not limited to, hiring, placement, promotion, termination, layoff, recall, transfer, leave of absence, compensation and training. The Company also prohibits retaliation against any employee who exercises his or her rights under applicable anti-discrimination laws. Notwithstanding the foregoing, the Company does give hiring preference to Seneca or Native individuals. Veterans with expertise in these areas are highly encouraged to apply. &nbsp;
&nbsp;</div>

Intermediate Software Developer

Software Developer

Full stack software development using C#/.NET, HTML/JS/CSS; experience with SQL databases; DoD/CBC knowledge a plus.

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