Grid AI Platform Engineer

Squid; Greater London; On-site; GBP 75,000 - 200,000; Full time

Job summary

Squid, based in London, is building an agentic modelling platform for power grids. We’re hiring a Software Engineer to join Squid as one of our first engineers, working closely with the founders to build production software for grid operators across backend, frontend, data-heavy applications, cloud infrastructure and applied AI.

You will help turn complex engineering workflows into reliable, intuitive software used by planners, operators and engineers.

Qualifications

• Professional software engineering experience building and maintaining production systems.
• Experience with Python, TypeScript, React, Postgres, APIs, cloud infrastructure or data pipelines.
• Experience with Columnar storage, Relational DB's, Object stores.
• Experience working across multiple parts of a software stack rather than within one narrow specialism.
• Strong product judgement and the ability to turn unclear, real-world problems into practical software.
• Experience designing reliable systems for complex or data-intensive workflows.
• An interest in applied AI, model evaluation, agent systems and AI-assisted software development.
• The ability to communicate clearly and work directly with technical customers.
• High ownership, curiosity and a willingness to learn quickly.

Responsibilities

• 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.

Skills

Python

TypeScript

React

Postgres

APIs

Cloud infrastructure

Data pipelines

Tools

Columnar storage

Relational DBs

Object stores

Job description

Squid, based in London, is building an agentic modelling platform for power grids. We’re hiring a Software Engineer to join Squid as one of our first engineers, working closely with the founders to build production software for grid operators across backend, frontend, data-heavy applications, cloud infrastructure and applied AI.

You will help turn complex engineering workflows into reliable, intuitive software used by planners, operators and engineers.