JJobsSonar

Full Stack Engineer

Formula. · London Area, United Kingdom

Full Stack EngineeringHybrid

About this role

This is an AI-native engineering position within a well-funded sports-tech startup focused on building intelligent content infrastructure. The engineer will own end-to-end delivery across both backend and frontend, with a heavy emphasis on architecture and agent management. Key responsibilities include designing real-time data pipelines and event-driven systems at scale. The technical environment involves Java 21 as the core backend, with additional interest in Node.js, Python, or Go. The role requires high-trust technical ownership and the use of AI tooling like Claude Code and prompt coding in the daily workflow.

Skills & technologies

Must have

Nice to have

  • Sports Tech
  • Live Event Data
  • Video Streaming
  • Data Architecture
  • Systems Design

Read full description

Full-Stack Engineer (AI-Native / Backend-Led)

Location: London, Hybrid

Salary: Up to £100,000 + Discretionary Bonus


We're working with a well-funded, founder-led startup in the sports-tech space. The co-founders are domain insiders backed by specialists in AI and SaaS, building next-generation intelligent content infrastructure. This is an AI-native engineering position - not a standard full-stack role. The expectation is that you operate at the level of architecture, agent management, and high-trust technical ownership, with AI tooling embedded into how you actually work.


Responsibilities

  • Own end-to-end delivery across backend, frontend
  • Design and build real-time data pipelines and event-driven systems at scale
  • Agentic Development - Prompt coding
  • Contribute to architecture decisions in a fast-moving, iterative engineering culture


Key Requirements

  • Polyglot mindset - Java 21 is the core backend; experience across Node.js, Python or Go welcomed
  • Agentic Development, prompt coding, Claude Code
  • Engineering rigour: clean, tested, documented code with performance and security in mind


Desirable

  • Domain experience in sports tech, live event data, or video streaming
  • Strong background in data architecture and systems design


Details

  • Up to £80,000 base salary + discretionary bonus
  • Hybrid - London, 2-3 days in office


This is a strong opportunity for an engineer who wants genuine ownership, meaningful technical challenge, and the chance to shape the foundation of a platform built to operate at scale.

£80,000–£100,000 / yearApply now

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