Senior Software Engineer

Company:  Formula.
Location: London
Closing Date: 06/07/2026
Salary: £75,000 - £85,000 per annum
Hours: Full Time
Type: Permanent

Job Description

Senior Software Engineer

£75,000 – £85,000 + Bonus & Benefits

Hybrid | Central London (1 day per week)


We're working with a scaling, mission-driven consumer app business to find a Senior Software Engineer to join a small, high-ownership engineering team. They're backed by a major international organisation, which means real stability and resource, but the team operates with full startup autonomy - moving fast, shipping frequently, and owning what they build end to end.


The product is a consumer app used by hundreds of thousands of customers globally, and the engineering team deploys multiple times a day. As a Senior Software Engineer, you'll work comfortably across both backend and frontend, with a natural lean towards backend design and architecture. The team values pragmatism over perfection - you'll be expected to make sensible calls, move things forward, and not get lost in the weeds.


Responsibilities:

  • Design and ship features across the full stack, writing clean, maintainable TypeScript
  • 90% Backend Leaning with Nest.JS or Node.JS
  • Take a leading role in backend design, data modelling, and API quality as the platform scales
  • Contribute to infrastructure and CI/CD pipeline decisions in Azure
  • Work closely with the Head of Engineering, product, and design on roadmap delivery
  • Make pragmatic technical decisions that balance quality, speed, and long-term maintainability
  • Share knowledge through pairing, code review, and regular team learning sessions


Requirements:

  • Solid full-stack experience with genuine depth on the backend: APIs, data modelling, system design
  • Strong NestJS experience on the backend, or a solid Node.js background
  • Frontend experience in Angular, ideally with exposure to Ionic as the framework layer
  • A pragmatic engineer who can weigh trade-offs sensibly and keep delivery moving
  • Familiarity with Azure CI/CD pipelines and monorepo tooling is a strong advantage
  • Clear communication skills and the confidence to take ownership of decisions


Benefits:

  • Competitive base salary plus annual bonus
  • Hybrid working: 1 day per week in Central London
  • Private health scheme
  • 25 days holiday plus additional leave perks
  • Flexible and remote-friendly working arrangements
  • Dedicated training and development budget


This is a strong opportunity for a pragmatic Senior Software Engineer who wants genuine ownership, a tight-knit team, and a product with real-world impact. If that sounds like the right fit, apply below or get in touch directly.


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

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