Software Engineer | AI Training Data & Evals Lab

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Software Engineer | AI Training Data & Evals Lab based in United States.

• This is a broad engineering role at the intersection of platform development, AI evaluation, and experimentation infrastructure.
• You will build and operate production systems that researchers and operators rely on to develop and assess frontier AI capabilities.
• Your work will include evaluation harnesses, backend services, data pipelines, training environments, and tools that make experimentation more reliable and repeatable.
• You will have meaningful ownership from the start, with an expectation of delivering production improvements and becoming a trusted owner of core systems.
• The environment is lean, async-first, and highly collaborative, with an emphasis on clear communication, sound technical judgment, and dependable execution.
• You will work on practical engineering challenges closely connected to AI research while helping transform expert work into high-quality training and evaluation data.
• This opportunity is well suited to a strong builder who enjoys autonomy, distributed systems, and working on infrastructure that directly influences how AI systems are evaluated and improved.