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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Full Stack Engineer - **Company:** TEKSYSTEMS INC. - **Location:** Washington, DC, United States (Remote available) - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Java (Programming Language), .NET Framework, Application Programming Interfaces (APIs), Agile Methodology, Artificial Intelligence, Applications Architecture, Component-Based Software Engineering, Business Logic, Application Performance Management, Automation of Tests, Microsoft Azure, Cloud Computing, Software Quality, Code Review, Databases, Continuous Integration, Data as a Services, Data Validation, Relational Databases, Linux, Revision Control Systems, PostgreSQL, Linux System Administration, Microsoft SQL Server, Open Source Technology, Scrum Methodology, Software Engineering, Systems Integration, Web Applications, Data Logging, Enterprise Software Applications, ReactJS, Large Language Models, Software Security, Software Application Programming, Reliability of Systems, Backend, AngularJS, Kubernetes, Rancher, Front End Software Development, Api Design, Restful APIs, Api Management, Service Stack, Jenkins - **Published:** September 29, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9200874/full-stack-engineer ## About the Role 4+ years of professional software development experience. Experience developing full-stack applications utilizing modern front-end and back-end technologies. Hands-on experience building REST APIs and integrating distributed application components. Strong understanding of relational databases, API design, and modern web architectures. Experience with source control systems, automated testing, code reviews, and CI/CD practices. Knowledge of secure web development principles and application security best practices. Strong problem-solving, troubleshooting, technical communication, and documentation skills. Ability to work effectively in a collaborative Agile environment. U.S. Citizenship required. Ability to obtain and maintain a Top Secret security clearance. Preferred Qualifications Active Top Secret security clearance. Experience supporting federal government software development programs. Experience with financial, grants, budget, payment, reporting, or oversight systems. Strong Linux administration and development experience. Experience with PostgreSQL and/or Microsoft SQL Server. Experience developing applications using Java and/or .NET technologies. Experience with Jenkins and CI/CD automation tools. Experience with Azure DevOps environments. Experience with Kubernetes, Rancher, or container orchestration platforms. Experience integrating AI/ML, large language models (LLMs), or advanced analytics capabilities into enterprise applications. Familiarity with AI-enabled application architectures and open-source AI technologies. Desired Technical Skills React Angular REST APIs Java .NET PostgreSQL Microsoft SQL Server Jenkins Azure DevOps Kubernetes Rancher Linux CI/CD Agile Development ## Description We are seeking a Full Stack Software Engineer to support the development of mission-critical federal applications. The ideal candidate will have experience building and integrating modern web applications across the full technology stack, including front-end interfaces, back-end services, APIs, databases, and cloud-based solutions. This role offers the opportunity to work on highly visible government initiatives supporting financial, budgeting, reporting, and oversight functions., Design, develop, and maintain scalable full-stack web applications using modern development frameworks and architectures. Build and integrate front-end, back-end, API, database, and testing components. Develop RESTful APIs, business logic, data-access layers, validation, logging, and error-handling mechanisms. Design and implement relational database schemas, queries, and data services. Participate in Agile software development activities including code reviews, sprint planning, testing, and deployment. Implement CI/CD pipelines and automated testing practices to improve software quality and delivery. Troubleshoot and optimize application performance, system reliability, database operations, and API integrations. Apply secure software development practices, including authentication, authorization, input validation, and secure API design. Create and maintain technical documentation for applications, APIs, databases, deployment procedures, and operational processes. Collaborate with software engineers, data engineers, data scientists, AI/ML specialists, and UX/UI teams to deliver technical solutions. ## Related Videos - [Watch Tests Go Brrrr! : Getting Started with Cypress in ReactJS](https://www.wearedevelopers.com/videos/282-watch-tests-go-brrrr-getting-started-with-cypress-in-reactjs) - [GitLab CI pipelines for a whole company](https://www.wearedevelopers.com/videos/143-gitlab-ci-pipelines-for-a-whole-company) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [Our GitOps approach for deploying an Identity Provider and an API Gateway in a SaaS company](https://www.wearedevelopers.com/videos/776-our-gitops-approach-for-deploying-an-identity-provider-and-an-api-gateway-in-a-saas-company) - [Build and Deploy a Fullstack App with Open Source Tooling](https://www.wearedevelopers.com/videos/775-build-and-deploy-a-fullstack-app-with-open-source-tooling) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology)