Full Stack Developer – Agentic AI and Data Engineer

About this role

Culmen is
hiring a Senior Full Stack Developer a high-impact Agentic AI Prototype program with the Chief Digital and AI Office (CDAO). You’ll work under the Senior Technical Lead to design, build, and demonstrate secure, production-ready agentic AI capabilities in DoD-designated cloud environments. You’ll contribute across the stack, from robust system prompts and agent logic to secure API integrations and live data connectors delivering working prototypes that meet Gov milestone acceptance.

Primary work will be remote but within Government-designated secure cloud environments; occasional onsite meetings in the National Capital Region may be required. Limited travel to Contractor site in Northern Virginia as needed.

Build agentic AI capabilities end-to-end:

• Implement agent logic with LangChain/LangGraph (tool use, function calling, state management, logical branching)
• Develop robust system prompts, prompt libraries, and agent personas aligned to mission workflows
• Integrate commercial model SDKs (Gemini Enterprise, Anthropic for Gov, Grok Enterprise) and cloud inference services (Vertex AI, Bedrock)
• Build a metadata catalog/platform (MCP) that indexes sources, exposes search and serving APIs, and integrates with agent workflows
• Implement data quality, profiling, lineage, and access controls; optimize for discovery and retrieval efficiency

Cloud and data integration:

• Implement secure API access and data ingestion pipelines for structured and unstructured sources in IL5 cloud environments
• Build live data connectors and operational pipelines exercised by agents during demos
• Software engineering and DevSecOps:
• Write high-quality, testable code (Python and TypeScript/JavaScript preferred), build services and microservices, and contribute to CI/CD pipelines
• Implement automated tests, logging/observability, and security controls aligned to DoD SRG IL5, FedRAMP High, and RMF principle

Agile delivery:

• Execute sprint plans, particip...