{"id":2872772,"url":"https://alion.io/job/rohirrim-full-stack-engineer","title":"Full Stack Engineer","company":{"id":688217,"name":"ROHIRRIM","domain":"rohirrim.ai","url":"https://alion.io/company/rohirrim","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Rippling","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"middle","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["McLean, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":102000,"max_usd":201000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":1539},"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Angular","optional":false},{"name":"Anthropic","optional":false},{"name":"Azure","optional":false},{"name":"Azure DevOps","optional":false},{"name":"CI/CD","optional":false},{"name":"JavaScript","optional":false},{"name":"LLM","optional":false},{"name":"Nest.JS","optional":false},{"name":"Node JS","optional":false},{"name":"OpenAI","optional":false},{"name":"Prompt Engineering","optional":false},{"name":"RAG","optional":false},{"name":"React.js","optional":false},{"name":"SQL","optional":false},{"name":"TypeScript","optional":false},{"name":"Vue.js","optional":false}],"status":"live","first_seen_at":"2026-10-08T15:03:28Z","employer_posted_date":"2026-10-08","last_verified_at":"2026-10-28T09:09:38Z","board_verified":true,"closed_at":null,"days_open":19,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":19},"description":"Are you passionate about pushing the boundaries of technology in the Gen AI space? Rohirrim is seeking a 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!\nWhy Join Rohirrim?\nAt 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.\nFull Stack Engineer\nLocation: Hybrid, 3 days/week onsite in McLean, VA\nAbout Us\nRohirrim 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.\nWe're a fast-growing, mission-driven team building cutting-edge AI products that reshape how enterprises work.\nRole Overview\nWe're looking for a Full Stack Engineer to help build and improve our generative AI-powered enterprise web applications. The work is split roughly 50/50 between backend and frontend, and we're flexible on that split. 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. It's a hands-on role with real ownership and plenty of room to grow your skills in AI/LLM application development.\nResponsibilities\nBuild and maintain backend services and APIs in Nest.js/Node.js, integrating with databases, LLM providers, and external systems.\nDevelop frontend features in Angular/TypeScript that deliver intuitive, reliable user experiences.\nImplement generative AI features within Rohan, including LLM integrations, prompt design, and retrieval-augmented workflows, with guidance from senior engineers.\nWrite efficient, maintainable SQL queries and help design database schemas for new features.\nOwn features from design through deployment, including testing, code reviews, and production support.\nTake part in system design discussions, contributing ideas and learning how AI capabilities are architected into the platform.\nCollaborate with cross-functional teams to deliver secure, scalable AI-driven solutions.\nQualifications\n3+ years of professional experience as a Full Stack or Software Engineer.\nSolid experience with TypeScript/JavaScript.\nHands-on experience with Nest.js/Node.js or a similar backend framework.\nHands-on experience with a JavaScript UI framework (Angular, React, or Vue).\nWorking knowledge of SQL, including writing queries and basic schema design.\nFamiliarity with CI/CD tooling; Azure DevOps a plus.\nInterest in generative AI and eagerness to build LLM-powered features.\nExperience integrating with LLM providers/APIs (e.g., OpenAI, Anthropic, Azure OpenAI).\nExposure to prompt engineering or retrieval-augmented generation (RAG).\nExperience with Angular specifically.\nExperience in enterprise SaaS, government, or aerospace/defense environments","description_format":"text","description_chars":3158,"description_truncated":false,"requirements":{"experience_years_min":3,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["AI Agents","Procurement & Spend Management"],"lifecycle":[{"event":"open","at":"2026-10-19T20:23:46Z"}],"visa":[],"liveness":{"score":60,"band":"ok","label":"Likely open","p_open":1,"p_active":0.796,"p_room":0.75,"age_days":19,"expected_fill_days":26,"reasons":["conf:1","win:late"],"computed_at":"2026-10-28T05:59:10Z"},"pay":null,"html_url":"https://alion.io/job/rohirrim-full-stack-engineer","json_url":"https://alion.io/job/rohirrim-full-stack-engineer.json","meta":{"generated_at":"2026-10-28T13:08:30Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":17644,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-29T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":688217},"rest":"https://alion.io/mcp/rest/get_company?id=688217"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Frohirrim-full-stack-engineer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Frohirrim-full-stack-engineer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Frohirrim-full-stack-engineer"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/rohirrim-full-stack-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Frohirrim-full-stack-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":2872772}},{"tool":"search_jobs","arguments":{"company":"rohirrim.ai","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":2872772},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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