{"id":829632,"url":"https://alion.io/job/idler-software-engineer","title":"Software Engineer","company":{"id":679789,"name":"idler","domain":"idler.ai","url":"https://alion.io/company/idler-2","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","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":125000,"max":400000,"currency":"USD","period":"year","gross":null,"usd_annual":400000},"salary_estimate":null,"experience_years_min":1,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AI Agents","optional":false},{"name":"ETL/ELT","optional":false},{"name":"AWS","optional":true},{"name":"Claude Code","optional":true},{"name":"Cursor","optional":true},{"name":"GRPO","optional":true},{"name":"JavaScript","optional":true},{"name":"Node JS","optional":true},{"name":"OpenAI Codex","optional":true},{"name":"PostgreSQL","optional":true},{"name":"Redis","optional":true},{"name":"TypeScript","optional":true},{"name":"Vercel","optional":true}],"status":"live","first_seen_at":"2025-10-14T20:39:45Z","employer_posted_date":"2025-10-14","last_verified_at":"2026-10-01T00:39:22Z","board_verified":true,"closed_at":null,"days_open":351,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":350},"description":"About idler\nidler is a frontier data research lab. We build the evals and environments that the world's leading frontier labs use to measure and train their models.\nAfter raising a $9m seed round led by Paradigm, we spent the last year developing coding evals for top coding models you know and love. At the same time, we've expanded into other domains besides coding: RSI & Auto-Research, Law, Enterprise Business, Cybersecurity, and others. Now, we are facing more lab demand for our data than we can serve, and are rapidly scaling the team to grow the business.\nOur approach to creating training data scales using technology, and all of our data products are built on a unified self-reinforcing platform that learns through experience.\nYou would be joining a close-knit team that has reached product market fit, and your work would directly help to multiply our revenue.\nYou can see some of our work here: https://idler.ai/collections\nAbout the role\nAs a Software Engineer at idler, you’ll build the systems and infrastructure that our entire company relies on. You will solve open-ended, technical challenges with focus on performance, scale, and simplicity. In the era of AI-coding, systems-level thinking and attention to detail is more important than experience with a particular framework or language.\nExamples of what you'll do\nDesign and build scaleable systems that generate RL environments\n\nCreate agentic QA systems to validate environment quality and fairness\n\nWork directly with AI researchers at leading labs to understand what makes training data effective\n\nHandle petabyte scale ETL and orchestrate millions of concurrent jobs\n\nSupport new product lines as we expand beyond coding environments\n\nManage our security posture and compliance requirements\n\nWhat we’re looking for\n1-10 years of experience writing excellent production software (new grads OK)\n\nExperience with full-stack applications in a popular programming language\n\nA meticulous problem solver who creates robust systems under time pressure\n\nTech stack\nTypescript, React, NodeJS, Postgres, Redis, Vercel, Cursor/Claude Code/Codex, Tinker, Modal, AWS, Daytona, GRPO\nDetails\nIn-person in San Francisco\n\nCompetitive salary + meaningful equity\n\nFree meals in office\n\nHealthcare, 401(k), 15 days of PTO per year\n\nRelocation assistance\n\nSmall, ambitious team\n\nThis is an in-person role in San Francisco. We're a tight-knit founding team and we play to win. Join us if you like to win too.","description_format":"text","description_chars":2463,"description_truncated":false,"requirements":{"experience_years_min":1,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Equity","Relocation assistance"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":true,"industries":[],"lifecycle":[{"event":"open","at":"2026-09-12T15:59:16Z"},{"event":"open","at":"2026-09-25T23:40:52Z"}],"liveness":{"score":4,"band":"cold","label":"Long shot","p_open":1,"p_active":0.132,"p_room":0.28,"age_days":350,"expected_fill_days":30,"reasons":["conf:0","win:tail","crowd:junior"],"computed_at":"2026-09-30T05:45:00Z"},"pay":{"stated_usd_annual":400000,"is_top_pay":true},"html_url":"https://alion.io/job/idler-software-engineer","json_url":"https://alion.io/job/idler-software-engineer.json","meta":{"generated_at":"2026-10-01T04:48:36Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":4315,"day_limit":5000,"remaining_today":685,"minute_limit":60,"resets_at":"2026-10-02T00:00:00Z"}}}