Senior Software Engineer

Company: Arcus Search
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Job Description:

£95,000 – £120,000 + 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 OpportunityThis 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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Posted: July 13th, 2026