Contract Full Stack / Backend Engineer III - Trust & Safety Platforms

Duration: 6-Month Contract (with potential for extension)
Location: 100% Remote (UK-based)
Inside/Outside IR35: Insert IR35 The Opportunity

We are looking for a Senior Full Stack / Backend Engineer (Level III) to join the Trust & Safety / Policy Platform team for one of the world's leading, household-name audio streaming platforms.

If you are a backend-heavy engineer who enjoys the autonomy of building robust APIs and crafting the internal web tools that power them, this contract is for you.

What You'll Do

Engineers at Scale: Build and scale the core APIs and services that expose complex policy logic across detection, enforcement, and compliance surfaces.
Data & ML Pipelines: Model data for strict auditability, versioning, and efficient querying, feeding structured datasets directly into downstream machine learning models.
Empower Internal Teams: Design and i...