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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Fullstack Developer - USSF XC3 - **Company:** Silotech Group, Inc - **Location:** San Antonio, TX, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Artificial Intelligence, Amazon Web Services, Automation of Tests, Microsoft Outlook, Cloud Engineering, Software Quality, Code Review, Continuous Integration, Data Validation, Web Development, Github, PostgreSQL, Open Web Application Security, Query Optimization, Salesforce.Com, Secure Coding, Web Application Security, Systems Integration, TypeScript, ReactJS, Delivery Pipeline, Large Language Models, Cypress (Programming Language), Backend, Git, Cloudformation, Containerization, Gitlab-ci, Integration Tests, Kubernetes, Information Technology, Playwright, Graphql, Front End Software Development, React Testing Library, Restful APIs, Terraform, Software Version Control, Devsecops, Docker, Jenkins - **Published:** August 22, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9104581/fullstack-developer-ussf-xc3 ## About the Role * Bachelor's degree in Computer Science, Engineering, or related technical field (or equivalent experience) * 5+ years of professional experience building production applications with React.js * Strong hands-on experience with PostgreSQL, including schema design, query optimization, and migrations * Experience building and maintaining CI/CD pipelines (e.g., GitHub Actions, GitLab CI, Jenkins) * Solid understanding of secure software development practices and common web application security risks (e.g., OWASP Top 10) * Experience with RESTful API design and integration * Proficiency in JavaScript/TypeScript and modern front-end tooling * Familiarity with version control workflows (Git) and code review practices * Ability to work independently in a fast-paced, evolving technical environment * Hands-on experience with automated testing frameworks and practices, spanning unit, regression, and integration testing (e.g., Jest, React Testing Library, Cypress, Playwright, or similar), * Experience with cloud-native deployments in AWS or AWS GovCloud * Familiarity with containerization technologies (Docker, Kubernetes, ECS) * Experience with Infrastructure as Code (Terraform, CloudFormation, or similar) * Exposure to AI-enabled or LLM-integrated application architectures * Experience supporting ATO, RMF, or related compliance efforts * Active or previously held U.S. Government security clearance * Experience supporting DoD, federal, or national security customers Desired Traits * Builder mindset with strong ownership and execution skills * Comfortable operating in ambiguity and rapidly evolving technical environments * Strong communication skills with both technical and non-technical stakeholders * Security-conscious by default, not as an afterthought * Ability to balance feature velocity with code quality and reliability ## Description We are seeking a motivated Fullstack Developer to help build and scale our AI-powered operational intelligence platform, across its React.js front end and PostgreSQL-backed services. This role sits at the intersection of modern web application development, secure backend engineering, and DevSecOps practice. The ideal candidate has strong hands-on experience building production React.js applications, designing and optimizing PostgreSQL schemas and queries, and working within secure, CI/CD-driven development pipelines for government and enterprise environments. This position is ideal for a developer who enjoys owning features end-to-end, from data model to UI, and who takes a security-conscious approach to everyday engineering decisions. Location In-Person / Hybrid (US Domestic) Preferred. Clearance Ability to obtain and maintain a U.S. Government security clearance preferred. Essential Role and Responsibilities * Design, develop, and maintain React.js front-end applications * Build and optimize PostgreSQL data models, queries, and migrations to support platform scalability * Develop and maintain RESTful/GraphQL APIs connecting front-end and backend services * Implement and maintain secure CI/CD pipelines, including automated testing, build, and deployment stages * Apply secure coding practices across the stack, including input validation, authentication/authorization, and dependency management * Collaborate with product, design, and AI engineering teams to translate requirements into shipped features * Participate in code reviews, architecture discussions, and technical design sessions * Troubleshoot and resolve production issues across the front-end and backend * Support integration work with external systems (e.g., Salesforce, Outlook) as the platform's integration footprint grows * Contribute to technical documentation and onboarding materials for the engineering team * Write and maintain automated tests across unit, regression, and integration levels to catch defects before they reach production What You'll Work On * React.js front end and PostgreSQL-backed services * Secure CI/CD pipeline modernization * Cross-system integrations (Salesforce, Outlook, and beyond) * AI-enabled workflow features * Government and enterprise cloud deployments * Automated test coverage across unit, regression, and integration levels ## Related Videos - [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) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [Innovating Developer Tools with AI: Insights from GitHub Next](https://www.wearedevelopers.com/videos/1268-innovating-developer-tools-with-ai-insights-from-github-next) - [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) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) - [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) ## Related Articles - [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023) - [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) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers)