Full Stack Developer with Security Clearance

Job Title: Full Stack Developer

Location: Ashburn, VA

Clearance Required: Must have existing CBP Full BI Strong experience in modern web development and applied AI integration. The ideal candidate will be comfortable building scalable, data-driven web applications using React, Next.js, NestJS, and MongoDB, and will have hands-on experience implementing Retrieval-Augmented Generation (RAG) systems and prompt engineering for AI-driven features. You’ll work across the stack to design, develop, and deploy robust products that leverage both front-end interactivity and intelligent backend systems. Responsibilities

· Design, build, and maintain scalable full-stack applications using Next.js, React, NestJS, and MongoDB.

· Integrate and optimize AI-based features, including RAG pipelines and LLM-powered tools.

· Develop and tune prompt templates, retrieval chains, and embeddings for contextual AI performance.

· Collaborate with product managers, designers, and data scientists to translate requirements into technical solutions.

· Implement secure APIs, efficient data models, and robust backend services.

· Ensure application performance, security, and reliability across deployments.

· Participate in code reviews, testing, and CI/CD pipelines.

· Stay up to date with modern frameworks, AI integration patterns, and best practices in full-stack engineering. Qualifications:

· 3–5 years of experience as a Full Stack Engineer or similar role.

· Strong proficiency in JavaScript/TypeScript, React, Next.js, NestJS, and MongoDB.

· Experience building and deploying RAG-based AI systems (e.g., integrating vector databases, embedding models, or LLM APIs).

· Familiarity with prompt engineering techniques for optimizing AI outputs.

· Strong understanding of RESTful and GraphQL API design.

· Experience with version control (Git), containerization (Docker), and cloud platforms (AWS, GCP, or Azure). Preferred:

· Familiarity with LangChain, LlamaIndex, or similar frameworks for AI application development.

· Experience with vector databases (e.g., Pinecone, Weaviate, Milvus).

· Knowledge of CI/CD pipelines and DevOps practices.

· Experience working in Agile/Scrum teams.

Employee