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Senior Software Engineer

Job in Greater London, London, Greater London, W1B, England, UK
Listing for: Arcus Search
Part Time position
Listed on 2026-06-05
Job specializations:
  • Software Development
    Full Stack Developer, Backend Developer, Software Engineer
Salary/Wage Range or Industry Benchmark: 79000 - 94000 GBP Yearly GBP 79000.00 94000.00 YEAR
Job Description & How to Apply Below
Location: Greater London

£79,000 - £94,000 + Equity | Hybrid (1 day per week in London)

We're partnering with a high-growth AI technology company who are already backed by leading venture capital investors and experiencing significant commercial traction, the business has achieved:

  • Enterprise deployments with recognised organisations
  • Seriously impressive ARR run rate
  • Strong investment backing from top-tier funds

As they enter their next phase of growth, they're looking for a Senior Full-Stack Engineer to play a key role in shaping the future of the platform.

The Opportunity

This is a hands‑on engineering role where you'll take ownership of end‑to‑end product development, working closely with Product, Design and Engineering leadership to deliver features used by enterprise customers.

You'll have significant influence over technical decisions, architecture and product direction while helping scale a platform operating at the forefront of AI adoption.

What You'll Be Doing
  • Building and shipping customer-facing features across frontend and backend systems
  • Designing and developing scalable APIs and backend services
  • Collaborating closely with Product and Design teams to deliver exceptional user experiences
  • Taking ownership of technical decisions and architectural improvements
  • Contributing to the growth and evolution of a rapidly scaling product
What We're Looking For
  • Strong experience building and maintaining production web applications
  • Expertise with a modern frontend framework such as React, Vue or Angular
  • Experience designing and building APIs and backend services
  • Proven ability to own projects from concept through to delivery
  • A pragmatic engineering mindset, balancing speed, quality and maintainability
  • Strong communication skills and a collaborative approach to problem-solving
Why Join?
  • Opportunity to work on meaningful AI products with real-world impact
  • High level of ownership and autonomy
  • Direct access to leadership and influence over technical direction
  • Equity package alongside a competitive salary
  • Hybrid working with just one day per week in the London office
  • Join an ambitious, venture-backed business at an exciting stage of growth

If you're an experienced full-stack engineer who enjoys building products, taking ownership and working in a fast-moving environment, please apply.

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Position Requirements
10+ Years work experience
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