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Senior Backend Engineer
Onsite or remote
Retirement contributions
Paid parental leave
Healthcare benefits
Unlimited PTO
Flexible schedules
Wellness reimbursement
Employee equity
Competitive salary
Nick Nikolov
Aaron Abentheuer
Mila Mutafchieva
Nelson Scholler
Michèle Srour
Nick Nikolov
Evangello Flouty
Harry Andrews
Sam McGarry
Chrysostomos Chadjiminas
Alex Hardy
Vedant Gurav
Georgi Tanev
Will Gallia
London or remote

Ideally you’d live in a timezone within 3 hours of London (GMT±3). If this does not perfectly apply to you feel free to apply anyways. 🤗


We are looking for a Senior Backend Engineer who will work closely with product engineering on FieldDay, WorkLens, and our internal tooling, making ‘AI, shaped by people’ mainstream.

Your work at Playground

  • Build, test and deploy scalable back-end services supporting our web and mobile clients.

  • Collaborate and communicate clearly with team members on scaling challenges and architecting new features.

  • Contribute to internal documentation and knowledge sharing.

  • Help shape and grow the engineering culture.

Things you will work on

  • FieldDay, a set of interfaces and APIs that can become part of any AI product's pipeline enabling its users to shape, improve and personalise its algorithms.

  • WorkLens, an in an intelligent photo+video platform for work. Capture, annotate, search, collaborate, and automate visual information. Built on top of FieldDay tooling, making anyone more productive with their camera and unlocking enterprise use-cases from quick workflow automations in e-commerce and logistics to automated visual inspection for industry.

  • Support our customers like Canopy (Ford+ADT) and Rafael Nadal make the most out of FieldDay and WorkLens


  • You have 2+ years of experience with Node.js.

  • You have experience writing and optimising relational databases (Postgres, MySQL etc).

  • You have experience maintaining cloud services (AWS, GCP, Azure etc).

  • You are familiar or have experience with TypeScript.

  • You are familiar or have experience building GraphQL backends.

  • You enjoy the early stages of product building, and are comfortable in a fluid and fast-paced environment.

  • You are comfortable building prototypes and demos quickly to help our design and product team evaluate possible features.

If this role description does not 100% align with your experience, but you’re excited about it, please apply anyway.
We strongly believe in growth and curiosity to build a well-rounded team.