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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer I (SE1 - St. Louis, MO) - **Company:** Epsilon Systems Solutions, Inc. - **Location:** St. Louis, MO, United States (Remote available) - **Experience:** Starter - **Contract:** Permanent contract - **Skills:** Clean Code Principles, Kubernetes Security, JavaScript (Programming Language), Amazon Web Services, Microsoft Azure, Bash Shell, Cloud Computing, Cloud Computing Security, Software Quality, Databases, Continuous Integration, Data Reduction, Django Web Framework, Python (Programming Language), PostgreSQL, MongoDB, MySQL, Node.Js, NoSQL, Scrum Methodology, Secure Coding, Software Deployment, Software Engineering, SQL Databases, TypeScript, Web Applications, Scripting, Google Cloud, ReactJS, Delivery Pipeline, Spring-boot, Backend, Git, Vue.js, AngularJS, Gitlab-ci, Kubernetes, Infrastructure Automation Frameworks, Information Technology, Graphql, Front End Software Development, Restful APIs, Devsecops, Docker, Jenkins, Programming Languages - **Published:** May 19, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=39a0c6b11f7089b1 ## About the Role We're seeking a skilled Full Stack Developer I or DevSecOps Engineer I to join our dynamic team in St. Louis, MO, building secure, scalable, and high-performance applications. The ideal candidate will bring a strong foundation in software development alongside a keen understanding of secure coding practices, automation, and deployment pipelines. Whether you're passionate about writing clean, maintainable code across the frontend and backend, or you're focused on integrating security into CI/CD workflows, infrastructure as code, and cloud-native environments, we value your ability to work collaboratively across development, operations, and security teams. You'll play a key role in driving innovation, ensuring software quality, and embedding security throughout the development lifecycle. Candidates must be able to work independently and as part of a technical team and have effective oral and written communication skills. Successful candidates will have strong problem solving and critical thinking skills. Desire an active TS/SCI clearance. Hybrid and remote work available., * Bachelor of Science degree in engineering, computer science, or information technology. * 0 - 4 years of relevant software development experience. * Hands on experience with React and TypeScript/JavaScript. * Good interpersonal skills and the ability to communicate with all levels of business users and management. * Ability to work individually and on team projects in an environment of teamwork and cooperation. * Ability to work closely with users to troubleshoot code defects and deploy timely fixes. * Effective written, oral, and presentation skills. * Applicants must be willing and able to obtain DoD Top Secret security clearance, with SCI access eligibility. * Pursuant to the various government contractual requirements, all applicants must be U.S. Citizens. Desired Qualifications: * CI/CD tools (e.g., Jenkins, GitLab CI). * Cloud security (AWS, Azure, GCP). * Container security (Docker, Kubernetes). * Threat modeling, secure coding practices. * Scripting (Python, Bash). * Frontend: React, Angular, Vue, etc. * Backend: Node.js, Django, Spring Boot, etc. * Databases: SQL (PostgreSQL, MySQL), NoSQL (MongoDB). * RESTful APIs, GraphQL. * Git, Docker (optionally). ADA Notations: * Regular communication (hearing/speaking). * Noise conditions range from very quiet to very noisy. * Prolonged use of computer (typing/keyboarding). * Frequently required to sit for long periods of time, stand, and walk. * Ability to travel by car, air or other means of transportation, if required. ## Description * Maintain and enhance existing systems in the development of new features. * Deploy new secure systems and networks. * Conduct post processing and data reduction. * Apply and follow Scrum framework principles. * Write analysis reports and develop briefings. * Work independently and in a team environment. * Design, develop, and implement web applications to power a national toolset with a large user base. * Assists senior Software Engineers with routine assignments. * Applies fundamental knowledge of operating systems and programming languages. * Works on well-defined problems and learns under direct supervision. * Possesses sufficient writing skills to prepare and generate technical reports and other documentation pertinent to the position. * Produce well-written designed, testable and efficient code that meets technical requirements. * Participate in a highly collaborative team environment, contributing to all phases of the development lifecycle. * Deploy applications on classified and secured networks. * Deliver projects on time and with attention to quality. ## Related Videos - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Leveraging Real time data in FSIs](https://www.wearedevelopers.com/videos/806-leveraging-real-time-data-in-fsis) - [MySQL Protocol Features You Should Be Aware Of](https://www.wearedevelopers.com/videos/100267-mysql-protocol-features-you-should-be-aware-of) - [Branch your database like your code: How schema changes and pull requests go hand in hand](https://www.wearedevelopers.com/videos/350-branch-your-database-like-your-code-how-schema-changes-and-pull-requests-go-hand-in-hand) - [Coding for Good: Achieving social change with an app](https://www.wearedevelopers.com/videos/1645-coding-for-good-achieving-social-change-with-an-app) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs)