Senior Full Stack Engineer

United States·McLeansenior

EngineeringFullstack Developer

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Quick Summary

Overview

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,

Technical Tools

EngineeringFullstack Developer

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!

What We Offer

~1 min read

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.

Location: Hybrid — 3 days/week onsite in McLean, VA

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.

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

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→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.

Requirements

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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.