> Markdown version of [/jobs/ext/2177569-full-stack-engineer](https://www.wearedevelopers.com/jobs/ext/2177569-full-stack-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Full Stack Engineer - **Company:** Peraton Inc - **Location:** Reston, VA, United States - **Salary:** $135,000.0 - $216,000.0 - **Contract:** Permanent contract - **Skills:** Testing (Software), Java (Programming Language), XML Schema, Computer-Aided Design, Application Programming Interfaces (APIs), Agile Methodology, Artificial Intelligence, Airflow, Amazon Web Services, Data Analysis, Software Applications, User Authentication, Cloud Computing, Databases, Continuous Delivery, Data Deduplication, DevOps, Design of User Interfaces, Python (Programming Language), Key Management, PostgreSQL, OAuth, Scrum Methodology, Software Engineering, Software Requirements Analysis, Software Systems, Web Applications, Extensible Markup Language (XML), Software Organization, ReactJS, Large Language Models, Caching, Web Content, Rate Limiting, Fastapi, Containerization, Graphql, Celery, Front End Software Development, Pagination, Docker, Web Api - **Published:** August 22, 2026 - **Apply:** https://diversityjobs.com/main/sendform/8/8/28176/1/18029913?backUrl=%2Fcareer%2F18029913%2FFull-Stack-Engineer-Virginia-Reston ## About the Role * Education: Minimum of 12 years with BS/BA; Minimum of 10 years with MS/MA; Minimum of 7 years with Ph.D. * Clearance: active secret clearance * Hands-on experience building with AI agents - multi-step reasoning, tool use, RAG pipelines, or autonomous task execution - and integrating LLMs into production or near-production applications * Demonstrated experience designing and building integrations to external sources of information - public APIs, licensed data feeds, partner systems, customer enterprise systems, web content, document repositories, or structured databases * Demonstrated experience packaging external capabilities as agent tools or skills with clean interfaces, predictable inputs and outputs, sound error handling, and documentation that AI agents and the humans configuring them can rely on * Strong Python skills (3.12+); comfort with async/await patterns, type hints, and modern Python tooling * Comfort working across the stack: FastAPI/Python backends, React frontends, Docker containerization, and PostgreSQL * Experience building and consuming web APIs (REST, GraphQL, or comparable) and handling the integration concerns that make external data trustworthy in production - authentication, pagination, rate limiting, retry/backoff, schema mapping, deduplication, and caching * Experience with workflow or task orchestration systems (Airflow, Prefect, Celery, or similar distributed execution frameworks) or comparable agent orchestration patterns * Familiarity with agentic frameworks and an understanding of the underlying concepts (chains, tool calling, agent loops) that transfer across tools * Experience working with LLM APIs (OpenAI, Anthropic, AWS Bedrock, or similar) * Solid grounding in the security concerns specific to agentic and external integration work - secrets management, OAuth and API-key handling, rate-limit etiquette, defensive parsing, and prompt-injection awareness * A product mindset: you think about the end user, not just the technical implementation * Comfort operating with some ambiguity in a fast-moving environment ## Description Peraton is hiring a Software Development subject Matter Expert, this role will have the ability to be remote. What you'll do: Provide software/Java development expertise in an environment that covers the entire Software Development Lifecycle using current methodologies to include Continuous Deployment, Agile, and Development Operations (DevOps). * Designs, develops, documents, tests and debugs applications software. * Develop and implement user interfaces for web applications using ReactJS. * Build and develop XML Samples and appropriate XSD based on requirements and an understanding of the various standards for design and data analysis and exchange. * Work on UX/UI designs to translate concepts into functional components. * Conducts multidisciplinary research and collaborates with cross-functional engineering and development teams in the planning, design, development, and utilization of Cloud-based capabilities for the development, modification, and deployment of commercial-of-the-shelf (COTS) software. * Analyzes user needs and software requirements to determine feasibility of design within time and cost constraints. * Confers with systems analysts, engineers, and cross-functional teams to design software and to obtain information on project limitations and capabilities, performance requirements and interfaces. * Designs, develops and modifies software systems, using scientific analysis and mathematical models to predict and measure outcomes and consequences of design. * Coordinates software testing and deployment to ensure specifications are met. * Assist the Scrum Master and Scrum Team in providing technical expertise in executing contract deliverables. * Provide support to the Chief Enterprise Architect, Release Train Engineer, Senior Leadership and the client with regards to software development best practices. * Support Quality Assurance and Quality Control verification within all applicable phases of software development to assure all actions are completed in accordance with appropriate policy, standards and procedures. * Collaborate with government Product Owners, cross-functional teams, and client vendors to support rapid integration and interoperability of software. * Ensure the quality of all services and deliverables across the contract. * Ensure high customer satisfaction and compliance with all government and corporate policies. ## Related Videos - [On a Secret Mission: Developing AI Agents](https://www.wearedevelopers.com/videos/1510-on-a-secret-mission-developing-ai-agents) - [Celery on AWS ECS - the art of background tasks & continuous deployment](https://www.wearedevelopers.com/videos/561-celery-on-aws-ecs-the-art-of-background-tasks-continuous-deployment) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [Keeping applications secure by evolving OAuth 2.0 and OpenID Connect](https://www.wearedevelopers.com/videos/100152-keeping-applications-secure-by-evolving-oauth-2-0-and-openid-connect) - [Walking into the era of Supply Chain Risks](https://www.wearedevelopers.com/videos/376-walking-into-the-era-of-supply-chain-risks) - [Docker build without Docker](https://www.wearedevelopers.com/videos/100114-docker-build-without-docker) ## Related Articles - [What is Agentic Programming and Why Should Developers Care?](https://www.wearedevelopers.com/magazine/625-what-is-agentic-programming-and-why-should-developers-care) - [From Prototype to Production: Build AI Agents with This Free 4-Course Learning Path](https://www.wearedevelopers.com/magazine/655-from-prototype-to-production-build-ai-agents-with-this-free-4-course-learning-path) - [Graph and AI Trends 2026: Why Is AI Running but Not Yet Delivering?](https://www.wearedevelopers.com/magazine/680-graph-and-ai-trends-2026-why-is-ai-running-but-not-yet-delivering) - [How to Become an AI Engineer](https://www.wearedevelopers.com/magazine/331-how-to-become-an-ai-engineer) - [Never delegate the understanding](https://www.wearedevelopers.com/magazine/749-never-delegate-the-understanding) - [What Are Large Language Models?](https://www.wearedevelopers.com/magazine/304-what-are-large-language-models)