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Haystack

Software Engineer

Europe (non-EU)

July 21, 2026 at 8:39 AM

✨ AI summary

Location

  • London, England, United Kingdom

Programming Languages

  • Java
  • Kotlin
  • Go
  • TypeScript

Frameworks

  • React

Experience Level

  • Strong production experience
We're working with a world-leading, household-name audio streaming platform that's revolutionising how millions experience music and podcasts, pushing the boundaries of technology and innovation in the digital entertainment space.

The Role

  • Develop and scale core APIs and services for trust and safety platforms
  • Design and implement intuitive web interfaces for non-technical stakeholders
  • Model data for strict auditability, versioning, and efficient querying
  • Translate global regulatory requirements into engineering constraints and audit trails
  • Contribute to a significant part of the platform's detection, enforcement, and compliance surfaces

What You'll Need

  • Strong production experience building high-scale services using Java, Kotlin, or Go
  • Hands-on experience building clean, intuitive internal tooling using React and TypeScript
  • Deep understanding of API design, backward compatibility, and data modeling for complex systems
  • Experience working with data pipelines and understanding of real-time vs. batch processing trade-offs
  • An eye for usability, making complex workflows simple and foolproof for non-technical users
  • Ability to handle a 70% Backend / 30% Frontend split, comfortable with schema evolution and frontend state management

What's On Offer

  • Opportunity to work on critical trust and safety platforms impacting millions of users
  • Engage with complex policy logic across detection, enforcement, and compliance
  • Contribute to a platform that empowers internal teams and ensures regulatory compliance
  • Potential for contract extension beyond the initial 6 months

Apply via Haystack today!