Senior Software Engineer (C# / JavaScript)

Company: Arcus Search
Apply for the Senior Software Engineer (C# / JavaScript)
Location: London
Job Description:

Senior Full-Stack Engineer £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 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.

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

Building and shipping customer-facing features across frontend and backend systems Collaborating closely with Product and Design teams to deliver exceptional user experiences 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 Opportunity to work on meaningful AI products with real-world impact Equity package alongside a competitive salary Hybrid working with just one day per week in the London office If you’re an experienced full-stack engineer who enjoys building products, taking ownership and working in a fast-moving environment, please apply….

Posted: June 4th, 2026