Senior Full Stack Engineer

Senior Full Stack Engineer Are you passionate about pushing the boundaries of technology in the Gen AI space? Rohirrim is seeking a Senior Full Stack Engineer to mentor engineers, provide technical direction, and drive the development of cutting-edge applications. If you thrive in a fast-paced environment and enjoy leading by example while staying hands-on with coding, we want to hear from you! Location: Hybrid — 3 days/week onsite in McLean, VA At Rohirrim, we're at the forefront of innovation in the Gen AI space. Joining our team means being part of a dynamic environment where your leadership and expertise make a tangible impact on our products and team growth. Rohirrim is pioneering the future of enterprise AI with Rohan, our patented, domain-aware generative AI platform. We help Fortune 1000 companies, aerospace and defense organizations, and government agencies automate complex processes like RFP creation and knowledge management. We're a fast-growing, mission-driven team building cutting-edge AI products that reshape how enterprises work. Role Overview We are seeking a Senior Full Stack Engineer (50% backend / 50% frontend, or someone who is flexible with the split) to help design, build, and scale our generative AI-powered enterprise web applications. You'll play a key role in architecting services, ensuring performance and reliability, and contributing to frontend features that deliver great user experiences. This is a hands-on, senior-level role where you'll collaborate closely with product managers and UI/UX designers. Responsibilities Architect, design, and build scalable backend systems with a focus on reliability, performance, and maintainability. Develop APIs and services in Nest.js/Node.js, integrating with databases, LLM providers, and external systems. Build and integrate features powered by generative AI, including LLM orchestration, prompt design, and retrieval-augmented workflows within Rohan. Contribute to frontend development in Angular/TypeScript, ensuring seamless user experiences. Write efficient, maintainable SQL queries and design database schemas for application features. Collaborate with cross-functional teams to deliver secure and scalable AI-driven solutions. Ensure high code quality via testing, code reviews, and best practices. Participate in system design discussions and help set technical direction, including how AI/LLM capabilities are architected into the platform. Qualifications 5+ years of professional experience as a Full Stack Engineer. Strong experience with TypeScript/JavaScript. Hands-on experience with Nest.js/Node.js. Hands-on experience with a JavaScript UI framework (Angular/React/Vue). Strong SQL skills (schema design, query optimization). Basic knowledge of Azure DevOps (pipelines, workflows). Hands-on experience integrating with LLM providers/APIs (e.g., OpenAI, Anthropic, Azure OpenAI) in a production application. Practical experience with prompt engineering and retrieval-augmented generation (RAG) architectures. Rohirrim