Software Engineer

Squid

On-sitePosted July 27, 2026

About the role

Software Engineer to join Squid as one of our first engineers in London, United Kingdom. Pay Range: £75k-£200k (salary + equity). You will work closely with the founders and the early engineering team to build production software for grid operators. This is a broad software engineering role spanning backend systems, frontend products, data-intensive applications, cloud infrastructure and applied AI. You will help turn complex engineering workflows into reliable, intuitive software used by planners, operators and engineers. This is a high-ownership role based in our central London office, with the opportunity to shape the product, technical architecture and engineering culture from an early stage.

Software Engineer

Squid

On-sitePosted July 27, 2026

About the role

Software Engineer to join Squid as one of our first engineers in London, United Kingdom. Pay Range: £75k-£200k (salary + equity). You will work closely with the founders and the early engineering team to build production software for grid operators. This is a broad software engineering role spanning backend systems, frontend products, data-intensive applications, cloud infrastructure and applied AI. You will help turn complex engineering workflows into reliable, intuitive software used by planners, operators and engineers. This is a high-ownership role based in our central London office, with the opportunity to shape the product, technical architecture and engineering culture from an early stage.

What you'll do - Build and ship production software across backend services, frontend applications and cloud infrastructure. - Design APIs, data models and product interfaces for complex, data-heavy workflows. - Develop tools for loading, validating, comparing, visualising and explaining technical datasets. - Build reliable systems for versioning, collaboration, approvals and auditability. - Integrate AI models and agents into practical, human-in-the-loop product workflows. - Create benchmarks and evaluation tools for testing AI systems on real customer tasks. - Improve system performance, reliability, security and developer experience. - Work directly with customers to understand problems, test solutions and improve the product. - Use modern AI development tools to prototype, test and ship software quickly.

Qualifications - You do not need to meet every requirement. We are looki

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