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Full Stack Engineer

Rohirrim - McLean, VA, United States - Hybrid - posted 2026-10-08

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Rohirrim is pioneering enterprise AI with Rohan, a patented, domain-aware generative AI platform that helps Fortune 1000 companies, aerospace and defense organizations, and government agencies automate complex processes like RFP creation and knowledge management. You will join a fast-growing, mission-driven team building cutting-edge AI products that reshape how enterprises work. This is a hands-on Full Stack Engineer role with real ownership and plenty of room to grow your skills in AI/LLM application development. The work is split roughly 50/50 between backend and frontend. You'll own features end to end, from APIs and database design to polished UI. You'll work closely with senior engineers, product managers, and UI/UX designers. Key Responsibilities: - Build and maintain backend services and APIs in Nest.js/Node.js, integrating with databases, LLM providers, and external systems - Develop frontend features in Angular/TypeScript that deliver intuitive, reliable user experiences - Implement generative AI features within Rohan, including LLM integrations, prompt design, and retrieval-augmented workflows, with guidance from senior engineers - Write efficient, maintainable SQL queries and help design database schemas for new features - Own features from design through deployment, including testing, code reviews, and production support - Take part in system design discussions, contributing ideas and learning how AI capabilities are architected into the platform - Collaborate with cross-functional teams to deliver secure, scalable AI-driven solutions Requirements: - 3+ years of professional experience as a Full Stack or Software Engineer - Solid experience with TypeScript/JavaScript - Hands-on experience with Nest.js/Node.js or a similar backend framework - Hands-on experience with a JavaScript UI framework (Angular, React, or Vue) - Working knowledge of SQL, including writing queries and basic schema design - Familiarity with CI/CD tooling; Azure DevOps a plus - Interest in generative AI and eagerness to build LLM-powered features Nice-to-Have: - Experience integrating with LLM providers/APIs (e.g., OpenAI, Anthropic, Azure OpenAI) - Exposure to prompt engineering or retrieval-augmented generation (RAG) - Experience with Angular specifically - Experience in enterprise SaaS, government, or aerospace/defense environments

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