JJobsSonar

Software Engineer

Formula. · United Kingdom

Software EngineeringHybrid

About this role

The candidate will build and ship product features end-to-end using a stack consisting of Next.js, React, and TypeScript. Responsibilities include maintaining core payments and platform infrastructure, such as subscriptions and transactions, and designing integrations for domain events. The role operates within an AI-augmented engineering environment, utilizing agentic workflows and modern tooling. The engineer will contribute to developing patterns, standards, and development practices within the growing team. The position is based in a hybrid London model with remote options considered.

Skills & technologies

Nice to have

  • AI-assisted development workflows
  • agentic development workflows

Read full description

Software Engineer (Agentic)

Salary | £60,000 - £85,000 + Bonus

Hybrid London | Remote considered

Immediate Start


We're working with a well-funded, VC-backed technology startup building a new model for digital products and experiences. The business is entering an exciting phase of growth, with an ambitious product roadmap and a strong focus on using AI to rethink how modern platforms are built and operated.


This is a genuine opportunity for a Software Engineer to join a growing engineering team where you'll have meaningful influence over the product and how it's built. The team is taking an AI-augmented approach from the outset, using modern tooling and agentic workflows to move quickly while maintaining strong engineering standards.


What you'll be doing

  • As a Software Engineer, build and ship product features end to end across a Next.js, React using AI tooling throughout
  • Work within and contribute to an AI-augmented engineering environment, helping develop patterns, standards and development practices
  • Build and maintain core payments and platform infrastructure, including subscriptions, transactions and automated workflows
  • Design and extend integrations and lifecycle systems, connecting typed domain events to downstream services


What we're looking for

  • Commercial experience as a Software Engineer with strong TypeScript across the stack
  • Good experience with React, Next.js and Node.js, alongside strong PostgreSQL fundamentals
  • Experience working with payments, subscriptions or transaction-heavy systems, ideally with Stripe or an equivalent platform
  • Genuine experience using AI-assisted or agentic development workflows as part of your day-to-day engineering
  • Up to 2 Weeks Notice period (Immediate starter preferred)


What's on offer

  • £60,000 - £85,000 + Bonus
  • Hybrid London working, with remote considered
  • Agentic engineering environment
  • Immediate start


If you're a Software Engineer who wants genuine ownership, enjoys working across the stack and is excited by the opportunity to build in an AI-native engineering environment, this is a chance to make a meaningful impact within a growing technology business.


Due to the high volume of applications, not all applicants will receive feedback.

£60,000–£85,000 / yearApply now

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