Senior Backend / Data Engineer
Mission: Make deciding what to play next easier and more enjoyable for millions of listeners worldwide. From personalized playlists to cutting-edge AI-driven recommendations, we build features that transform how people experience music and podcasts.
We’re looking for a Senior Backend / Data Engineer to join our centralized Safety team within the AI Foundations Studio. This team develops state-of-the-art solutions to ensure safety across personalization products, including search, home recommendations, podcast discovery, and emerging GenAI features like AI Playlisting and video trailers. Our work spans tier-0 services such as recommendation filtering and production pipelines powering core experiences.
You’ll collaborate with research and trust & safety squads to prototype and deploy innovative techniques, tackling complex challenges around content sensitivity and user experience. If you’re passionate about building scalable systems and shaping the future of personalized experiences, this role is for you.
What You’ll Do
Design technical specifications in partnership with product teams
Build large-scale, production-quality data pipelines
Architect, develop, deploy, and operate backend services serving millions of users
Act as a technical leader within your team and across the organization
Contribute to a cross-functional, autonomous agile team
Influence backend/data architecture company-wide
Participate in hack days and hack weeks to innovate and experiment
Who You Are
Proven experience delivering end-to-end production-quality backend/data solutions at scale
Skilled in designing modular architectures and tech specs for ambiguous problem spaces
Expertise in Ray, Hendrix, Scio, Java, Python, dbt, BigQuery, SQL
Comfortable collaborating across multiple teams and disciplines
Interested in owning complex, ambiguous problem spaces and driving clarity
Job Title: Data/Backend Engineer
Location: London, UK
Job Type: Contract
Trading as TEKsystems. Allegis Group Limited, Maxis 2, Western Road, Bracknell, RG12 1RT, United Kingdom. No. (phone number removed). Allegis Group Limited operates as an Employment Business and Employment Agency as set out in the Conduct of Employment Agencies and Employment Businesses Regulations 2003. TEKsystems is a company within the Allegis Group network of companies (collectively referred to as "Allegis Group"). Aerotek, Aston Carter, EASi, Talentis Solutions, TEKsystems, Stamford Consultants and The Stamford Group are Allegis Group brands. If you apply, your personal data will be processed as described in the Allegis Group Online Privacy Notice available at (url removed)>
To access our Online Privacy Notice, which explains what information we may collect, use, share, and store about you, and describes your rights and choices about this, please go to (url removed)>
We are part of a global network of companies and as a result, the personal data you provide will be shared within Allegis Group and transferred and processed outside the UK, Switzerland and European Economic Area subject to the protections described in the Allegis Group Online Privacy Notice. We store personal data in the UK, EEA, Switzerland and the USA. If you would like to exercise your privacy rights, please visit the "Contacting Us" section of our Online Privacy Notice at (url removed)/en-gb/privacy-notices for details on how to contact us. To protect your privacy and security, we may take steps to verify your identity, such as a password and user ID if there is an account associated with your request, or identifying information such as your address or date of birth, before proceeding with your request. If you are resident in the UK, EEA or Switzerland, we will process any access request you make in accordance with our commitments under the UK Data Protection Act, EU-U.S. Privacy Shield or the Swiss-U.S. Privacy Shield