{"id":3213537,"url":"https://alion.io/job/true-talent-solutions-partners-full-stack-engineer-5","title":"Full Stack Engineer","company":{"id":4415660,"name":"True Talent Solutions Partners","domain":"truetalentsolutionspartners.com","url":"https://alion.io/company/true-talent-solutions-partners","size_band":null,"is_staffing_agency":true,"employer_type":"agency","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"junior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["San Francisco, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":150000,"max":275000,"currency":"USD","period":"year","gross":null,"usd_annual":275000},"salary_estimate":null,"experience_years_min":2,"visa_sponsorship":true,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AI Agents","optional":false},{"name":"LLM","optional":false},{"name":"Next.js","optional":false},{"name":"Node JS","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Python","optional":false},{"name":"React.js","optional":false},{"name":"TypeScript","optional":false},{"name":"JavaScript","optional":true}],"status":"closed","first_seen_at":"2026-10-24T17:40:24Z","employer_posted_date":"2026-10-24","last_verified_at":"2026-10-28T17:41:03Z","board_verified":false,"closed_at":"2026-10-28T17:41:03Z","days_open":4,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":4},"description":"About the Role\nJoin a team building software infrastructure that helps organizations improve the reliability of AI agents in production. This backend-leaning, full-stack role combines hands-on product engineering with customer insight to shape agent investigation, evaluation, and debugging workflows.\nWhat You'll Do\nBuild product experiences for agent investigation, evaluation workflows, trajectory debugging, verification, and replay.\n\nWork with customers to understand agent failures, define product solutions, and iterate on shipped features.\n\nDevelop APIs, data models, internal systems, and user-facing product surfaces across the stack.\n\nBuild systems that run large-scale investigations across production traces.\n\nDesign platform capabilities such as workspaces, permissions, billing, usage, SDKs, and terminal-first developer tools.\n\nCollaborate with AI teams building production agents and turn their feedback into product decisions.\n\nWhat We're Looking For\n2 to 5 years of full-stack product engineering experience, with a backend emphasis.\n\nExperience shipping user-facing products end-to-end, including frontend work with React or Next.js and backend development.\n\nStrong skills in TypeScript and React, plus Python or Node.js; familiarity with PostgreSQL is relevant.\n\nAbility to build polished interfaces, design clean APIs, model data, and debug production issues across the stack.\n\nHands-on experience with AI agents, LLM-powered products, or agentic systems, and interest in evaluation, debugging, or developer tools.\n\nA formal computer science degree or equivalent academic background, with strong software engineering fundamentals.\n\nExperience working directly with customers and influencing product decisions through engineering work.\n\nCompensation & Benefits\nBase salary is $150,000 to $275,000 USD annually. Visa sponsorship is available.\nLocation\nOn-site in San Francisco, California, United States.","description_format":"text","description_chars":1924,"description_truncated":false,"requirements":{"experience_years_min":2,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-10-24T19:26:55Z"},{"event":"close","at":"2026-10-28T17:41:03Z"}],"visa":[],"liveness":null,"pay":{"stated_usd_annual":275000,"is_top_pay":true},"html_url":"https://alion.io/job/true-talent-solutions-partners-full-stack-engineer-5","json_url":"https://alion.io/job/true-talent-solutions-partners-full-stack-engineer-5.json","meta":{"generated_at":"2026-10-28T17:41:59Z","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":24137,"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":4415660},"rest":"https://alion.io/mcp/rest/get_company?id=4415660"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Ftrue-talent-solutions-partners-full-stack-engineer-5"},{"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%2Ftrue-talent-solutions-partners-full-stack-engineer-5"},{"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%2Ftrue-talent-solutions-partners-full-stack-engineer-5"},{"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/true-talent-solutions-partners-full-stack-engineer-5\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Ftrue-talent-solutions-partners-full-stack-engineer-5"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3213537}},{"tool":"search_jobs","arguments":{"company":"truetalentsolutionspartners.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3213537},"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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