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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Full Stack Developer, Senior - **Company:** Booz Allen Hamilton Inc. - **Location:** Herndon, VA, United States - **Experience:** Expert - **Salary:** $86,800.0 - $198,000.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), JavaScript (Programming Language), .NET Framework, Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, Automation of Tests, Microsoft Azure, C Sharp (Programming Language), C++ (Programming Language), Mobile Application Development, Cloud Computing Security, Databases, Distributed Systems, Design of User Interfaces, Python (Programming Language), NoSQL, SQL Databases, Systems Integration, TypeScript, Web Application Frameworks, Enterprise Search, Spring Cloud, ReactJS, Large Language Models, Generative AI, Backend, Front End Software Development, Virtual Agents, Api Design, Restful APIs, Service Stack, Microservices - **Published:** July 3, 2026 - **Apply:** https://www.careerjet.com/job/us3d8707ea8604679ccbc983f54215f5d3/eaa ## About the Role 5+ years of experience developing and delivering enterprise software applications across both front-end and back-end technologies Experience designing, developing, and maintaining full-stack web applications Experience building RESTful APIs and system integrations and building and consuming APIs across enterprise environments Experience with SQL and database including relational and NoSQL database technologies Experience developing and integrating microservices, distributed applications, multiple systems, applications, and data sources Experience developing secure cloud-native applications within AWS, GCP, or Azure Experience with Java, Python, C#, C/C++, .NET, JavaScript, and React Experience with JavaScript, TypeScript, and modern web application frameworks Public Trust Bachelor's degree Nice If You Have: Experience acquiring client requirements and resolving workflow problems through automation optimization Experience with AI-enabled applications, Generative AI, LLMs, AI Agents, or enterprise search solutions Ability to work with automated testing tools to perform testing and maintenance Master's degree Vetting: Applicants selected will be subject to a government investigation and may need to meet eligibility requirements of the U.S. government client; Public Trust determination is required. ## Description As a full stack developer, you will support a high-visibility Federal client initiative focused on expanding their Enterprise LLM capability. The ideal candidate is a hands-on engineer who can work across the full technology stack, from developing intuitive user interfaces and backend services to building APIs, connectors, AI-enabled workflows, and cloud-native applications. This individual will help design and implement the systems that power enterprise search, AI-driven applications, and mission-critical integrations within a secure government environment. This role is more than just coding. As a senior full stack developer at Booz Allen, you'll use your passion to master new tools and techniques and identify needed system improvements. You'll help clients overcome their most difficult challenges using the latest architectural approaches, tools, and technologies. You'll make sure the solution developed by the team considers the current architecture and operating environment, as well as future functionality and enhancements. Work with us as we shape systems for the better. Join us. The world can't wait., MANTECH seeks a driven and mission-focused Senior Python Developer to join our elite team based in Herndon, VA. 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