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Senior Product Engineer (Agent Training and Evals)

Prolific - Remote UK🌐 Remote💼 Full-time🗓 2026-09-11 → 2026-09-26

Core

Build infrastructure to evaluate AI agents by capturing agent traces at scale alongside real human expert work in safe environments.

Role type

Senior IC product engineer (AI agent training and evaluation)

Builds

Scalable systems for agent evaluation, data capture, and benchmarking

Domain

AI/ML infrastructure, Agentic AI, Human-in-the-loop data systems

Deliverable

production ML models

Required skills

Cloud infrastructure, distributed systems, AI model/agent evaluation, system deployment and scaling, security, product mindset

Preferred skills

Image/video/audio processing, Python

Technologies

Google Cloud Platform, Python, JavaScript, TypeScript, FastAPI, Vue.js, Kubernetes, Postgres SQL, GitHub Actions, DataDog

Responsibilities

Build tooling for capturing and processing data from agents and humans at scale, solve problems around compute orchestration and reliability, develop approaches for training and benchmarking AI agents, partner with product and research to deliver working products

Seniority

Senior, hands-on IC

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