Staff Software Engineer (£110k-£150k + Equity) at Fanvue

Company: Jack & Jill
Apply for the Staff Software Engineer (£110k-£150k + Equity) at Fanvue
Location: London
Job Description:

Job Title

Staff Software Engineer

Salary

£110k-£150k + Equity

Company Description

Fanvue.com is a Series A AI‑powered creator platform that has surpassed $100M+ in annual recurring revenue. Recognized as a Sunday Times Best Place to Work for two consecutive years, the company supports millions of fans globally with triple‑digit year‑on‑year growth, focusing on connecting creators directly with their audiences at scale.

Job Description

Join Fanvue.com as a Staff Engineer to lead the evolution of a high‑growth platform serving tens of millions of users. You will architect the transition from a monolith to event‑driven services, optimize PostgreSQL for high‑throughput workloads, and build the AI infrastructure powering automated chat and content discovery. This hands‑on role is pivotal for platform reliability.

Location

London, UK

Why this role is remarkable

  • Lead the technical transformation of a platform with $100M+ ARR and triple‑digit annual growth, ensuring systems scale effectively for tens of millions of monthly active users.
  • Work at the cutting edge of AI‑native engineering, building core infrastructure like vector stores and LLM orchestration that is central to the product’s evolution rather than an afterthought.
  • Join a multi‑year “Sunday Times Best Place to Work” where technical excellence is prioritized over management hierarchies and significant equity offers substantial upside in a high‑momentum environment.

What you will do

  • Drive the monolith‑to‑services decomposition using proven patterns like Strangler Fig to improve system modularity, reliability, and developer velocity across the engineering organization.
  • Architect and scale event‑driven systems and AI infrastructure, including embedding pipelines and real‑time chat features using a modern stack of TypeScript, Node.js, Go, and AWS.
  • Mentor engineering teams through code reviews and design sessions while establishing high standards for AI‑assisted development tools to accelerate delivery and define team‑wide engineering best practices.

The ideal candidate

  • Possesses 10+ years of hands‑on software engineering experience with a proven track record of shipping and scaling distributed systems for tens of millions of monthly active users.
  • Deeply proficient in TypeScript, Node.js, Go, and AWS, with specific expertise in optimizing PostgreSQL for high‑throughput production environments through query optimization, partitioning, and replication.
  • Highly experienced in service‑oriented architecture transitions and familiar with modern AI/ML infrastructure components, including vector databases, embedding pipelines, and LLM API orchestration.

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Posted: July 14th, 2026