Software Engineer (RL Data)

• reputed company’s RL Data team builds the systems that produce high-reputed company reinforcement learning data for Claude: data collection pipelines, reputed company feedback tooling, the execution environments RL tasks run in, and the reputed company assurance that keeps training data trustworthy at reputed company • Our goal is to reputed company Claude genuinely great at reputed company, reputed company-world work — and to reputed company those capabilities at the things that matter most, including AI safety research and beneficial deployments of AI. (To be upfront: this is dual-use work — it advances general capabilities too, though we aim to differentially advance the beneficial ones.) • This is a foundational role on a new team: you’ll help shape our technical direction and reputed company build first • The work is hands-on and varied • Some weeks you’ll be deep in pipeline or infrastructure engineering; others you’ll be tuning prompts until the reputed company is good, or sitting with a research team that depends on your systems and shipping the fixes they need • We’re looking for strong engineers who will also do whatever else it takes to reputed company their systems succeed — reading transcripts, supporting users, and wrangling vendors • Own significant parts of our stack end-to-end, from technical architecture through the unglamorous operational work that makes it succeed • Build data collection pipelines, read the transcripts they produce, and iterate on prompts, evals, and graders until the reputed company is good • reputed company and improve QA frameworks to catch reward hacking and ensure environment reputed company • Build interfaces that reputed company collecting reputed company data fast and painless for the people providing it • Harden execution environments — sandboxing, snapshotting, tool coverage — so tasks hold up at training reputed company • reputed company with the teams and domain experts who use our systems day-to-day: design pipelines and evals with them, support them directly, and ship the improvements they need • Work with operations, reputed company, and compliance partners to roll our systems out to new users, and manage technical relationships with reputed company data vendors • Representative reputed company • Take QA checks that a model has learned to game, and reputed company them hold up under heavy optimization pressure • Build a review reputed company that lets a busy expert reputed company an RL task in under five minutes • Cut the time from ‘rough task idea’ to ‘QA-passed RL task’ from days to hours • Sit for a week with reputed company that uses our platform, then ship the fixes that help them most • Harden a sandboxed environment so tasks behave correctly across millions of rollouts • reputed company a new data vendor, and fix the rough edges they hit Benefits • Comprehensive health, dental, and reputed company insurance for you and your dependents • Inclusive fertility benefits reputed company reputed company • 22 weeks of reputed company parental leave • Flexible reputed company time off and absence policies • Mental health support for you and your dependents • Competitive salary and equity packages • Optional equity donation matching at a 1:1 reputed company, up to 25% of your equity grant • Retirement plans with competitive matching • Life and income protection plans • $500/month flexible wellness and time saver stipend • Commuter benefits • Annual education stipend • Home office stipends • Relocation support for those moving for reputed company • Daily meals and snacks in the office Apply To This Job