Senior Software Engineer at Prolific

Hybrid ONSIDE 1-2 days/wk Bay Area💼 Full-time💰 $200,000–$200,000🗓 2026-07-01 → 2026-08-31

Core

Build and maintain human data infrastructure serving frontier AI model creators and enterprise AI application developers.

Role type

Senior Software Generalist (Full-stack)

Builds

Human data infrastructure for AI model training and evaluation

Domain

AI / Machine Learning / Data Infrastructure

Deliverable

production ML models

Required skills

Full-stack development, system design, customer-facing technical decision making, startup execution, scalable engineering

Preferred skills

Experience with frontier AI companies, cross-functional collaboration

Technologies

Not specified

Responsibilities

Solve customer and product problems across Prolific's domains, make critical technical decisions balancing scrappy execution with scalability, collaborate with US customers and UK tech teams

Seniority

Senior, hands-on IC

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About Prolific

Prolific isn’t just enabling AI innovation – we’re redefining it. While foundational AI technologies are becoming commoditized, Prolific’s human data infrastructure provides the high-quality, diverse data required to train the next generation of AI models. Through our platform, we empower researchers and companies to access a global, ethically curated participant base, ensuring cutting-edge AI research and training grounded in inclusivity and precision.