Backend Engineer at Global AI-first product studio expanding to London

Company: Jack & Jill
Apply for the Backend Engineer at Global AI-first product studio expanding to London
Location: London
Job Description:

Job Title

Backend Engineer

Location

London, UK

Company Description

Global AI-first product studio with a portfolio of 80+ enterprise and government clients

Salary

Not Disclosed

Job Description

As one of the first London-based engineers, you will build and own production-grade Python services for AI-driven products. You will design scalable APIs, optimize Postgres data layers, and lead architectural decisions. This role offers genuine end-to-end ownership, from initial specification to production monitoring, within a high-momentum team expanding its UK presence.

Why this role is remarkable

  • Join as a founding member of the London engineering hub with direct influence over team culture and technical standards.
  • Experience the autonomy of an early-stage hire backed by the stability of a company with revenue and a massive global client base including Tata.
  • Move fast with a high-performance team that prioritizes shipping code to real users over bureaucratic red tape.

What You Will Do

  • Architect and maintain high-performance Backend services using Python (FastAPI), Postgres, and Redis.
  • Own the entire product lifecycle from initial system design through to AWS deployment and production reliability.
  • Work directly with the founding team to translate complex requirements into scalable, AI-driven technical solutions.

The Ideal Candidate

  • Possesses 4+ years of experience building production APIs in Python with a focus on FastAPI, Django, or similar frameworks.
  • Demonstrates mastery of SQL and schema design, with a proven track record of optimizing database performance at scale.
  • Shows a strong sense of ownership and experience managing production environments using AWS, Docker, or Kubernetes.

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Posted: May 23rd, 2026