Explore 2 java backend developer jobs from 2 hiring companies in Witt, IL, US. Filter by remote, salary, experience, and company, then open any listing to apply.

java-backend-developer

Java Backend Developer

Hillsboro

Taylorville

Springfield

Nokomis

Litchfield

Decatur

Chatham

Edwardsville

Pana

Upper Alton

Godfrey

Effingham

Vandalia

Glen Carbon

Greenville

Highland

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Wood River

Bethalto

Java Backend Developer Jobs

CSpring

Netrist Solutions

Hybrid

Onsite

We are seeking a Senior Full
Stack Developer (Backend Emphasis) to support a command and control system for
the Mobility Air Force. This role focuses on designing and maintaining mission
critical backend services in Java and .NET, building and securing RESTful APIs,
and implementing cloud native patterns in Amazon GovCloud. You will work across
the entire stack, but your primary responsibility will be backend architecture,
service reliability, data integrity, and integration with cloud services. You will operate within an
Agile environment and mentor junior developers while contributing to evolving
DevSecOps pipelines and secure deployment practices. <div> </div><h3>What you will do </h3><ul><li style="">Design, implement, test, and deploy backend features
 using Java and .NET in AWS GovCloud. </li><li>Lead the development of RESTful services, API
 endpoints, and backend integration patterns. </li><li style="">Architect and implement microservices, serverless
 functions, and containerized workloads using AWS services such as Lambda,
 ECS, EKS, Fargate, and API Gateway. </li><li style="">Build and optimize data models, SQL queries, and
 relational database operations. </li><li style="">Participate in architecture reviews, design sessions,
 and backlog refinement. </li><li style="">Conduct code reviews and refactor existing backend
 components for scalability, maintainability, and security. </li><li style="">Integrate backend services into CI/CD pipelines with
 automated builds, tests, and scans. </li><li style="">Ensure secure coding practices and interpret output
 from static and dynamic security analysis tools. </li><li style="">Use scripting languages, including Python and Bash, to
 automate operational and deployment tasks. </li><li style="">Troubleshoot complex backend issues across application
 logic, integrations, data stores, and cloud resources. </li><li style="">Mentor team members in API design, backend
 architecture, and secure coding patterns. </li></ul><div> </div><h3>What we like to see </h3><ul><li style="">Deep experience with Java and .NET development in
 production environments. </li><li style="">Strong understanding of REST API design, service
 versioning, and integration testing. </li><li style="">Experience deploying and managing backend services in
 AWS using Lambda, ECS, ECR, CloudFormation, RDS, S3, CloudWatch, and IAM. </li><li style="">Experience with microservices or modular service
 architectures. </li><li style="">Strong debugging skills in distributed systems. </li><li style="">Experience working within DoD or regulated environments
 with security compliance requirements. </li><li style="">Comfortable working with minimal day-to-day direction
 and accountable for end to end delivery. </li></ul><div> </div><h3>You should be familiar with </h3><ul><li style="">Java (Spring Boot or similar frameworks) and .NET (Core
 or Framework). </li><li style="">SQL and relational database design. </li><li style="">Linux administration and scripting. </li><li style="">Containerization with Docker and orchestration
 patterns. </li><li style="">CI/CD tooling such as Jenkins, GitHub Actions, or
 GitLab CI. </li><li style="">Cloud networking, IAM policies, and secure cloud
 deployment models. </li><li style="">Basic front end technologies for full stack
 integration, including HTML, CSS, and JavaScript. </li><li style="">OpenAPI Spec 3.x and automated code generation </li><li style="">Agile methodology. </li></ul> <h3>Requirements</h3><ul><li style="">Minimum Experience: 5+ years of professional
 development, including at least 3 years of Java development. </li><li style="">Experience owning backend services or components in
 production. </li><li style="">Bachelor’s degree in Computer Science, Engineering, or
 related field, or equivalent experience. </li><li style="">Ability to obtain or maintain a government security
 clearance. </li><li style="">Prior DoD or federal experience is strongly preferred. </li></ul><div> </div><div> </div>This
position is eligible for remote work in
the St. Louis area. However,
the position requires a government security clearance, so candidates must be U.S. citizens and eligible for work without a visa sponsorship. <h3>Benefits</h3><ul class="wp-block-list" style="color:rgb(23, 27, 39); font-family:PuviRegular, sans-serif; font-size:14px; font-style:normal; font-weight:400; letter-spacing:normal; orphans:2; text-indent:0px; text-transform:none; widows:2; word-spacing:0px; white-space:normal; background-color:rgb(255, 255, 255)"><li>Competitive Salary </li><li>Paid Time Off </li><li>Paid Federal Holidays </li><li>401K with matching </li><li>100% Paid Medical, Dental, Vision, Long &amp; Short Term Disability, and Basic Life </li><li>Flexible Spending Account </li><li>Health Reimbursement Arrangement </li><li>Work From Home Options </li><li>Education Assistance </li></ul><div> </div>

Senior Full Stack Developer - Back End

Full Stack Developer

5+ years of professional development; 3+ years in Java; backend ownership in production; DoD/federal experience preferred; government clearance required.

DescriptionAt CSpring, we believe in the power of data to drive decisions and real-world impact. We’re a purpose-driven consulting firm specializing in data strategy, data engineering, and data analytics. Our clients span the public and private sectors, and our work helps them solve complex problems, gain insights, and achieve measurable results.&nbsp; We're seeking talented professionals who are collaborative, curious, and committed to making a difference that thrive at the intersection of data, technology, and business strategy. Whether you're passionate about transforming public programs, enabling executive decision-making, or modernizing legacy systems, you'll find meaningful work and purpose here. Why You’ll Love Working Here<ul><li>Purposeful Projects – Improve systems that serve real people by delivering smarter data, streamlined processes, and strategic insight.</li><li>People-First Culture – We’re as committed to your growth as we are to delivering high-impact solutions. You’ll find support, autonomy, and community here.</li><li>Strategic, Hands-On Work – From data architecture and documentation to client workshops and solution delivery, you’ll influence every step of the process.</li><li>Collaborative Trust – Our clients rely on us to listen carefully, deliver consistently, and guide wisely. We partner with integrity, curiosity, and heart.</li></ul>What You’ll Do&nbsp;CSpring is looking for a Quality Engineer who brings both technical depth and a quality-first mindset to modern data and application environments. In this role, you will help ensure the reliability, performance, and integrity of critical systems by designing thoughtful test strategies, executing manual and automated testing, and partnering closely with cross-functional teams throughout the development lifecycle. This is an ideal opportunity for someone who thrives in complex environments, enjoys solving technical problems, and wants to play a meaningful role in delivering high-quality solutions across data platforms, applications, and integrations. As a Quality Engineer, you will be a key contributor to product and platform quality from requirements through release. You will work across functional, integration, regression, and end-to-end testing efforts while helping teams strengthen quality engineering practices in Agile and CI/CD environments.<ul><li>Participate in walkthroughs, inspections, reviews, and user group meetings to support quality assurance activities across the delivery lifecycle&nbsp;</li><li>Develop, maintain, and prioritize comprehensive test cases and testing plans&nbsp;</li><li>Execute test cases, identify and document defects, and clearly communicate severity and priority&nbsp;</li><li>Perform regression testing after code changes to ensure fixes do not create downstream issues&nbsp;</li><li>Build strong system and application knowledge to improve testing quality, accuracy, and coverage&nbsp;</li><li>Design, develop, and implement automated tests using BDD/TestNG approaches&nbsp;</li><li>Create and execute automated tests using Selenium, Cucumber, and Java in alignment with enterprise development and operational standards&nbsp;</li><li>Embed quality engineering practices within CI/CD pipelines, including version control, test management, and automation framework integration&nbsp;</li><li>Conduct functional, integration, regression, system, and end-to-end testing&nbsp;</li><li>Partner with scrum teams during user story grooming to help define clear, testable acceptance criteria&nbsp;</li><li>Take ownership of quality outcomes and communicate effectively with business sponsors, project leaders, and technical teams&nbsp;</li><li>Document test results and validate that business and technical requirements are fully met&nbsp;</li><li>Ensure compatibility with existing product functionality and integration points across product lines&nbsp;</li><li>Apply knowledge of Bronze / Silver / Gold data architecture in modern data platforms such as Databricks, Snowflake, and Azure Synapse&nbsp;</li><li>Leverage AI-enabled testing tools to generate test data, auto-generate test cases from requirements or user stories, and enhance API testing through intelligent validation and recommendations</li></ul> RequirementsWhat You Bring<ul><li>5+ years of experience in software testing and quality assurance&nbsp;</li><li>5+ years of experience testing backend, database, EDW, or ETL systems&nbsp;</li><li>4+ years of strong SQL experience and hands-on work with at least one relational database platform such as Teradata or SQL Server&nbsp;</li><li>4+ years of experience in UI, smoke, integration, and end-to-end testing&nbsp;</li><li>4+ years of strong troubleshooting and analytical experience, including debugging complex technical issues&nbsp;</li><li>4+ years of experience in test design and use of at least one test management tool&nbsp;</li><li>Bachelor’s degree or higher in Information Technology, Computer Science, Mathematics, Statistics, Analytics, Business Technology, or a related field</li><li>Familiarity with both Agile and Waterfall delivery methodologies&nbsp;</li><li>Proven ability to collaborate effectively with customers, DBAs, ETL developers, business intelligence architects, and PMO teams&nbsp;</li><li>Strong communication, collaboration, and influencing skills that help elevate quality across teams</li></ul>Preferred Qualifications<ul><li>Experience in the healthcare domain, including Commercial, Medicaid, or Medicare claims data&nbsp;</li><li>Familiarity with EDI X12 transactions such as 999, 837, 834, and 277, or HL7&nbsp;</li><li>Experience with DevOps tools and platforms, including Informatica&nbsp;</li><li>Hands-on experience with testing and automation tools such as: Selenium (Java), Cucumber (BDD), SOAP UI, Postman, RestAssured, HP ALM, Jira, GitHub&nbsp;</li><li>Experience working in CI/CD environments such as Jenkins for automated test execution and deployment&nbsp;</li><li>Experience testing complex XML/JSON structures, EDI X12 transactions, and SQL-based data flows&nbsp;</li><li>Strong understanding of automation framework design, development, and maintenance&nbsp;</li><li>Knowledge of HIPAA privacy and security regulations&nbsp;</li></ul>Come Build With UsAt CSpring, we unlock the potential of people and data. If you're ready to lead meaningful projects, collaborate with passionate teams, and grow your career in a people-first consulting environment—apply today!

Quality Engineer

5+ years software testing; backend/EDW/ETL testing; 4+ years SQL; UI/integration/end-to-end testing; strong troubleshooting; test design/tools; Agile/Waterfall; healthcare data knowledge a plus.

Java Backend Developer Jobs in Witt, IL, US | HiringCafe: every job on earth

Java Backend Developer Jobs in Witt, IL, US

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