Explore 4 java python developer jobs from 3 hiring companies in Chester, IL, US. Filter by remote, salary, experience, and company, then open any listing to apply.

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Java Python Developer

Perryville

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Java Python Developer Jobs

Boeing

Netrist Solutions

Pye-Barker Fire & Safety

Onsite

Hybrid

We are seeking a Senior Full Stack Developer (Security Emphasis) to support development and sustainment efforts within secure DoW cloud environments, including mission systems supporting the Mobility Air Forces. This role focuses on designing and developing backend services that implement Zero Trust Architecture controls aligned with NIST SP 800-207 and the DoW Zero Trust Strategy within AWS GovCloud IL5 and IL6 environments. <div> </div><div>You will operate within an Agile environment and mentor junior developers. This role emphasizes building robust backend services that enable Zero Trust enforcement, while also contributing to reliability, security, and performance of mission-critical software. </div><div> </div><h3>What you will do </h3><ul><li>Design, implement, test, and deploy backend features using Java and .NET in AWS GovCloud including Zero Trust Architecture patterns aligned to NIST SP 800-207.</li><li>Lead the development of RESTful services, API endpoints, and backend integration patterns.</li><li>Architect and implement microservices, serverless functions, and containerized workloads using AWS services such as Lambda, ECS, EKS, Fargate, and API Gateway. </li><li>Build and optimize data models, SQL queries, and relational database operations. </li><li>Participate in architecture reviews, design sessions, and backlog refinement. </li><li>Conduct code reviews and refactor existing backend components for scalability, maintainability, and security. </li><li>Integrate backend services into CI/CD pipelines with automated builds, tests, and scans. </li><li>Ensure secure coding practices and interpret output from static and dynamic security analysis tools. </li><li>Use scripting languages, including Python and Bash, to automate operational and deployment tasks. </li><li>Troubleshoot complex backend issues across application logic, integrations, data stores, and cloud resources. </li><li>Mentor team members in API design, backend architecture, and secure coding patterns. </li><li>Engineer identity-centric access controls using SAML, OIDC, OAuth2, and mTLS. </li><li>Implement Policy Enforcement Points and Policy Decision Points. </li><li>Support RMF documentation and ATO processes. </li></ul><h3 style="line-height:42px">What we like to see</h3><ul style="margin-top:0in"><li style="line-height:21px">Experience implementing Zero Trust principles in&nbsp;DoW&nbsp;environments. </li><li style="line-height:21px">Strong AWS IAM and Kubernetes security experience. </li><li style="line-height:21px">Ability to work with minimal direction. </li><li style="line-height:21px">Strong documentation and architecture communication skills. </li><li style="line-height:21px">Proficiency with AWS cloud computing environments. </li><li style="line-height:21px">In depth knowledge of Java and the ability to also code in .NET languages. </li><li style="line-height:21px">Ability to troubleshoot code at a senior level. </li><li style="line-height:21px">Able to work with minimal day-to-day direction when collaborating with a small team. </li><li style="line-height:21px">Knows when to ask for help when blocked and knows when to help others when they are blocked. </li></ul><h3 style="line-height:42px">You should be familiar with</h3><ul style="margin-top:0in"><li style="line-height:21px">AWS Cloud (EC2, IAM, CloudWatch) </li><li style="line-height:21px">Kubernetes security and service mesh </li><li style="line-height:21px">NIST 800-53 and RMF processes </li><li style="line-height:21px">DevSecOps pipeline integration </li><li style="line-height:21px">Linux, Python, or Bash scripting </li><li style="line-height:21px">Cloud (AWS) </li><li style="line-height:21px">Containerization and virtualization technologies like Docker </li><li style="line-height:21px">Agile methodology </li><li style="line-height:21px">Experience with SQL scripts and relational database operations&nbsp; </li></ul>This position seeks candidates for remote work in the St. Louis area.&nbsp; <div> </div> <h3>Requirements</h3><ul style="margin-top:0in"><li style="line-height:21px">Minimum Experience: 5+ years (including at least 3 years in Java development). </li><li style="line-height:21px">Minimum Education: Bachelor’s degree in computer science, Engineering, or related field. </li><li style="line-height:21px">Security+ required. CISSP or AWS Architect certifications are desired. </li><li style="line-height:21px">Ability to obtain and maintain a government security clearance; U.S. citizenship required. </li><li style="line-height:21px">DoD or federal government experience preferred. </li></ul><div> </div> <h3>Benefits</h3><ul><li>Paid Time Off </li><li>Medical benefits: Health Care, Vision, Dental, Long and Short Term Disability, and Life Insurance </li><li>Dependent Care and Healthcare Flexible Spending Accounts </li><li>Annual Health Reimbursement Arrangement </li><li>Education Assistance Program </li><li>401(k) Plan </li></ul><div> </div><div> </div>

Senior Developer (Security) - Hybrid

Developer

Senior full stack developer with security emphasis; 6+ years exp; DoD/cloud experience; AWS GovCloud; Java/.NET; Zero Trust; security certifications preferred.

Software Engineer – Systems (Experienced and Senior)Company:The Boeing CompanyThe Boeing Company is looking for Software Engineer – Systems (Experienced and Senior) to join our team in Berkeley, Missouri.This position supports a cross-functional engineering team, primarily comprising software engineering, and there will be opportunities to cross-train to enable technical growth and continued learning.  The candidate may have the opportunity to interface directly with customers and end users, present at design reviews and to senior leadership, and make an impact at a program level.  This role will also be performed while utilizing a cross-functional Agile framework.This position requires proven experience within the software ecosystem, a unique background of project experience, and the clear exhibition of judgment and decision making to engineer new solutions and capabilities.Our teams are currently hiring for a broad range of experience levels including Experienced and Senior Level Engineers.Position Responsibilities:<ul><li>Apply excellent communication skills as this position will work with many technical and non-technical personnel and will need to be well-versed in creating and maintaining good relationships; this role will operate in a cross-functional Agile framework.</li><li>Demonstrate a comprehensive understanding of the overarching system and the interrelationships among all positions and activities; includes assessing the impact of changes in one area on others, recognizing the connections between system components and plans, anticipating future events, and applying system thinking principles to enhance overall performance</li><li>Completes software system-level analyses to identify risks, issues and opportunities; integrates and deploys mitigation actions throughout the software lifecycle</li><li>Monitors and reviews test completion, verification processes, and issue resolution for software systems</li><li>Develops user documentation and training to educate end users about usage of software products</li><li>Reviews product and process for alignment with project plans and industry standards by tracking and evaluating internal team and supplier performance</li><li>Implements current and emerging technologies, tools, frameworks and changes in regulations relevant to software development</li><li>Performs software project management and software supplier management activities</li></ul>Basic Qualifications (Required Skills/Experience):<ul><li>Bachelor’s degree in engineering discipline</li><li>Ability to obtain a U.S. Secret Security Clearance for which the U.S. Government requires U.S. Citizenship</li><li>3&#43; years of experience with project management</li><li>3&#43; years of experience with Agile Framework enterprise (SAFe) or Agile in general</li><li>3&#43; years of experience with software development using either Java, C&#43;&#43;, or Python</li></ul>Preferred Qualifications (Desired Skills/Experience): <ul><li>Bachelor of Science degree in Engineering, Engineering Technology (including Manufacturing Technology), Computer Science, Data Science, Mathematics, Physics, Chemistry</li><li>5 or more years&#39; related work experience or an equivalent combination of education and experience</li><li>5&#43; years in a technical leadership role</li><li>Experience in managing requirements of DoD contracts</li><li>Experience with software architecture and development processes</li><li>Experience in formal Agile Leadership role(s) (Product Owner, Scrum Master, etc.)</li></ul>Drug Free Workplace:Boeing is a Drug Free Workplace where post offer applicants and employees are subject to testing for marijuana, cocaine, opioids, amphetamines, PCP, and alcohol when criteria is met as outlined in our policies.Pay &amp; Benefits: At Boeing, we strive to deliver a Total Rewards package that will attract, engage and retain the top talent. Elements of the Total Rewards package include competitive base pay and variable compensation opportunities.The Boeing Company also provides eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work.The specific programs and options available to any given employee may vary depending on eligibility factors such as geographic location, date of hire, and the applicability of collective bargaining agreements.Pay is based upon candidate experience and qualifications, as well as market and business considerations.Summary Pay Range for Experienced Level (Level 3): $118,150 - $159,850Summary Pay Range for Senior Level (Level 4): $147,900 - $200,100Language Requirements:Not ApplicableEducation:Bachelor's Degree or EquivalentRelocation:This position offers relocation based on candidate eligibility.Export Control Requirement:This position must meet U.S. export control compliance requirements. To meet U.S. export control compliance requirements, a “U.S. Person” as defined by 22 C.F.R. §120.62 is required. “U.S. Person” includes U.S. Citizen, U.S. National, lawful permanent resident, refugee, or asylee.Safety Sensitive:This is not a Safety Sensitive Position.Security Clearance:This position requires the ability to obtain a U.S. Security Clearance for which the U.S. Government requires U.S. Citizenship. An interim and/or final U.S. Secret Clearance Post-Start is required.Visa Sponsorship:Employer will not sponsor applicants for employment visa status.Contingent Upon Award ProgramThis position is not contingent upon program awardShift:Shift 1 (United States of America)Stay safe from recruitment fraud! The only way to apply for a position at Boeing is via our Careers website. Learn how to protect yourself from recruitment fraud - <a href="http://www.boeing.com/careers/recruitment-fraud-warning.page" target="_blank">Recruitment Fraud Warning</a><div><div><div><div>Boeing is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, national origin, gender, sexual orientation, gender identity, age, physical or mental disability, genetic factors, military/veteran status or other characteristics protected by law.<a href="http://www.boeing.com/resources/boeingdotcom/careers/footer/EEOIsTheLawPoster.pdf" target="_blank">EEO is the law</a><a href="https://tbcdn.talentbrew.com/company/185/v1_0/img/2018_Policy_Statement.pdf" target="_blank">Boeing EEO Policy</a><a href="http://www.boeing.com/careers/request-accommodation.page" target="_blank">Request an Accommodation</a><a href="http://www.boeing.com/careers/privacy-statement.page" target="_blank">Applicant Privacy</a> Boeing Participates in E – Verify<ul><li><a href="http://www.boeing.com/resources/boeingdotcom/careers/footer/EverifyPosterEnglish.pdf" target="_blank">E-Verify (English) </a></li><li><a href="http://www.boeing.com/resources/boeingdotcom/careers/footer/EverifyPosterSpanish.pdf" target="_blank">E-Verify (Spanish) </a></li></ul>Right to Work Statement <ul><li><a href="http://www.boeing.com/resources/boeingdotcom/careers/footer/WebBPPOSTERRtoWEnglishversion.pdf" target="_blank">Right to Work (English) </a></li><li><a href="http://www.boeing.com/resources/boeingdotcom/careers/footer/WebBPPOSTERRtoWSpanishversion.pdf" target="_blank">Right to Work (Spanish)</a></li></ul></div></div></div></div>

Software Engineer – Systems (Experienced and Senior)

Software Engineer

Bachelor's degree in engineering; 3+ years in project management and Agile; 3+ years in Java/C++/Python; ability to obtain US Secret clearance.

F-15 Mission Systems Software Engineer (Associate, Experienced, &amp; Senior)Company:The Boeing CompanyThe Boeing Company is looking for a Software Engineer (Associate, Experienced, &amp; Senior) to join the F-15 Mission System Software Development Team located in Berkeley, MO.   This position will focus on supporting the Boeing Defense, Space &amp; Security (BDS) business organization.We are seeking a highly motivated Software Engineer to design and implement new capabilities in the F-15 Operational Flight Program (OFP) for both the United States Air Force (USAF) and international customers.  The candidate will join one of the multi-discipline Agile scrum teams that develop, integrate, and maintain a wide range of aircraft functionalities. Software capabilities will be developed for the Advanced Display Core Processor II (ADCP II), the brains of the Eagle. The successful candidate will implement and test new cutting-edge capabilities and integrate them with a variety of other aircraft subsystems.At Boeing, our software engineers use their expertise to dream up next generation software capabilities for some amazing aerospace platforms. Boeing encourages its engineers to move up as technical leads as well as gives them opportunities to grow into management. Join us and you will have the unique opportunity to develop real-time embedded software for the most sophisticated military platforms in the world. Across Commercial, Defense and Global Services, our teams are developing software for next generation trainers; tactical fighter aircraft; helicopters; unmanned air vehicles; space, satellite, and weapons systems; state of the art flight simulators; cybersecurity solutions, and much more.We work in a casual but professional environment with multi-disciplined teams of engineers that take pride in developing, integrating, testing and delivering innovative solutions. There is long-term potential for career growth into technical leadership or management positions and we value the curiosity, tenacity and imagination our engineers bring to our teams each day.Our team is currently hiring for a broad range of experience levels including: Associate, Experienced, and Software Engineers.Position Responsibilities: <ul><li>Develops, documents and maintains architectures, requirements, algorithms, interfaces and designs for software systems</li><li>Develops and maintains code and integrates software components into a fully functional software system</li><li>Develops software verification plans, test procedures and test environments, executing the test procedures and documenting test results to ensure software system requirements are met</li><li>Executes and documents software research and development projects</li><li>Serves as a subject matter expert for software domains, system-specific issues, processes and regulations</li><li>Troubleshoots software issues</li><li>Works under general direction</li></ul>Basic Qualifications (Required Skills/ Experience):<ul><li>Bachelor’s Degree</li><li>Ability to obtain a U.S. Secret Security Clearance for which the U.S. Government requires U.S. Citizenship. Ability to obtain Secret U.S. Security clearance (Pre-Start)  </li><li>2&#43; years of experience with C, C&#43;&#43;, C#, Python, Java, or Ada</li><li>2&#43; years of experience with object-oriented programming language</li><li>2&#43; years of experience developing, documenting, and maintaining architectures, algorithms, interfaces, and designs for software systems</li></ul>Preferred Qualifications (Desired Skills/Experience):<ul><li>Level 2 / Bachelor of Science degree from an accredited course of study in engineering, engineering technology (includes manufacturing engineering technology), chemistry, physics, mathematics, data science, or computer science and 2&#43; years of related work experience OR Bachelor’s Degree and 6&#43; years of directly related work experience OR 10&#43; years of related, relevant experience</li><li>Level 3 / Bachelor of Science degree from an accredited course of study in engineering, engineering technology (includes manufacturing engineering technology), chemistry, physics, mathematics, data science, or computer science and 5&#43; years of related work experience OR Bachelor’s Degree and 9&#43; years of directly related work experience OR 13&#43; years of related, relevant experience</li><li>Level 4 / Bachelor of Science degree from an accredited course of study in engineering, engineering technology (includes manufacturing engineering technology), chemistry, physics, mathematics, data science, or computer science and 9&#43; years of related work experience OR Bachelor’s Degree and 13&#43; years of directly related work experience OR 17&#43; years of related, relevant experience</li><li>Agile/SAFe development experience</li><li>Experience with DevOps tools, such as GitLab (CI/CD), Git Bash, Gradle, Jira, Jenkins, and Artifactory</li><li>Desirable programming languages include: Ada, C, C&#43;&#43;, Python</li><li>Ability to work effectively in a team environment and communicate with stakeholders of different backgrounds and skill levels</li><li>Experience developing embedded real-time software</li><li>Experience working with Real-time Operating Systems (RTOS)</li></ul>Conflict of Interest:Successful candidates for this job must satisfy the Company’s Conflict of Interest (COI) assessment process.Drug Free Workplace:Boeing is a Drug Free Workplace where post offer applicants and employees are subject to testing for marijuana, cocaine, opioids, amphetamines, PCP, and alcohol when criteria is met as outlined in our policies.CodeVue Coding Challenge: To be considered for this position you will be required to complete a technical assessment as part of the selection process.  Failure to complete the assessment will remove you from consideration.Total Rewards &amp; Pay Transparency: At Boeing, we strive to deliver a Total Rewards package that will attract, engage and retain the top talent.  Elements of the Total Rewards package include competitive base pay and variable compensation opportunities. The Boeing Company also provides eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work. The specific programs and options available to any given employee may vary depending on eligibility factors such as geographic location, date of hire, and the applicability of collective bargaining agreements.Pay is based upon candidate experience and qualifications, as well as market and business considerations. Summary pay range for Associate: $99,450.00 - $134,550.00.Summary pay range for Experienced: $126,650.00 - $171,350.00.Summary pay range for Senior: $160,650.00 - $217,350.00.Language Requirements:Not ApplicableEducation:Not ApplicableRelocation:This position offers relocation based on candidate eligibility.Export Control Requirement:This position must meet U.S. export control compliance requirements. To meet U.S. export control compliance requirements, a “U.S. Person” as defined by 22 C.F.R. §120.62 is required. “U.S. Person” includes U.S. Citizen, U.S. National, lawful permanent resident, refugee, or asylee.Safety Sensitive:This is not a Safety Sensitive Position.Security Clearance:This position requires the ability to obtain a U.S. Security Clearance for which the U.S. Government requires U.S. Citizenship. A final U.S. Secret Clearance Pre-Start is required.Visa Sponsorship:Employer will not sponsor applicants for employment visa status.Contingent Upon Award ProgramThis position is not contingent upon program awardShift:Shift 1 (United States of America)Stay safe from recruitment fraud! The only way to apply for a position at Boeing is via our Careers website. Learn how to protect yourself from recruitment fraud - <a href="http://www.boeing.com/careers/recruitment-fraud-warning.page" target="_blank">Recruitment Fraud Warning</a><div><div><div><div>Boeing is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, national origin, gender, sexual orientation, gender identity, age, physical or mental disability, genetic factors, military/veteran status or other characteristics protected by law.<a href="http://www.boeing.com/resources/boeingdotcom/careers/footer/EEOIsTheLawPoster.pdf" target="_blank">EEO is the law</a><a href="https://tbcdn.talentbrew.com/company/185/v1_0/img/2018_Policy_Statement.pdf" target="_blank">Boeing EEO Policy</a><a href="http://www.boeing.com/careers/request-accommodation.page" target="_blank">Request an Accommodation</a><a href="http://www.boeing.com/careers/privacy-statement.page" target="_blank">Applicant Privacy</a> Boeing Participates in E – Verify<ul><li><a href="http://www.boeing.com/resources/boeingdotcom/careers/footer/EverifyPosterEnglish.pdf" target="_blank">E-Verify (English) </a></li><li><a href="http://www.boeing.com/resources/boeingdotcom/careers/footer/EverifyPosterSpanish.pdf" target="_blank">E-Verify (Spanish) </a></li></ul>Right to Work Statement <ul><li><a href="http://www.boeing.com/resources/boeingdotcom/careers/footer/WebBPPOSTERRtoWEnglishversion.pdf" target="_blank">Right to Work (English) </a></li><li><a href="http://www.boeing.com/resources/boeingdotcom/careers/footer/WebBPPOSTERRtoWSpanishversion.pdf" target="_blank">Right to Work (Spanish)</a></li></ul></div></div></div></div>

F-15 Mission Systems Software Engineer (Associate, Experienced, & Senior)

Mission Systems Software Engineer

Bachelor's degree; ability to obtain U.S. Secret Clearance; 2+ yrs in C/C++, OO programming; experience in software architectures and development.

Make a difference, protect lives, and achieve your dreams. Build your career with the industry-leading fire, life safety and security company.The Programmer plays a crucial role in our organization's software data &amp; development team. As a Programmer, you will work alongside experienced developers to write, test, and maintain computer programs using programming languages such as Java, C++, Python, or others as required. You will collaborate with team members to understand software requirements, participate in code reviews, and contribute to the development and debugging of code. This role offers an excellent opportunity to gain hands-on experience, learn from experienced professionals, and contribute to the creation of innovative software solutions.<h1></h1>Essential Duties &amp; Responsibilities: <ul><li>Configure, program, and debug security system logic for platforms such as Honeywell, Bosch, Lenel, or Milestone as required.</li><li>Collaborate with team members to understand system blueprints, wiring diagrams, and client security specifications.</li><li>Test and troubleshoot security device communication to ensure they meet functional, life-safety, and performance requirements.</li><li>Document system configurations, including zone lists, IP schemes, and user access levels.</li><li>Participate in system walk-throughs to ensure adherence to industry standards and local building codes.</li><li>Assist in the maintenance and enhancement of existing alarm and surveillance infrastructure.</li><li>Keep up to date with emerging lot security trends and cloud-based access control to support continuous growth.</li><li>Collaborate effectively with field technicians to achieve project goals and deliver high-quality security solutions.</li></ul>Education/Qualification: <ul><li>BA/BS in management / technology or equivalent technical field experience preferred.</li><li>Typically, less than 2 years delivering systems integration or security technology projects.</li><li>General competence of low-voltage electronics and the importance of strong technical support.</li><li>Background in leading teams through transformational change is required.</li><li>Solid understanding of system networking, budgeting, and business ethics.</li><li>Ability to strategize and solve problems.</li><li>Strong organizational skills.</li><li>Excellent communication and people skills.</li><li>Superior analytical and problem-solving capabilities.</li><li>Ability to inspire confidence and create trust.</li><li>Ability to work under pressure, plan personal workload effectively, and delegate.</li></ul>Other Duties:<ul><li>Adheres to the Code of Conduct, Confidentiality Agreement, and Company Safety Policy.</li><li>Ability to travel as needed.</li><li>Performs other duties as assigned.</li></ul>Physical Requirements:<ul><li>Prolonged periods sitting at a desk and working on a computer. </li></ul>Pay:<ul><li>$25 to $35 DOE &amp; Certifications/License.</li></ul>Benefits and Perks:<ul><li>Excellent pay</li><li>Medical, dental, vision</li><li>Company paid life insurance</li><li>Company paid short-term disability</li><li>401K with employer match</li><li>Paid vacation and company holidays</li><li>Training and Career Development</li><li>Company vehicle (if job applicable)</li><li>Immediate qualification for the <a href="https://pyebarkerfs.com/all-in/" target="_blank">ALL In Ownership Plan</a> for all eligible full-time employees</li></ul>Pye-Barker Fire and Safety is an Equal Opportunity Employer

Fire Alarm Video Camera Technical Programmer

Technical Programmer

Programming and debugging security systems; knowledge of Honeywell, Bosch, Lenel, Milestone; BA/BS preferred; 2 years systems integration experience; strong problem solving and communication.

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