Full Stack Engineer

Legalease — United Kingdom · Posted ~1 day ago

Mid Hybrid

Skills

TypeScript Node.js Backend-focused full stack development MySQL Database and data-heavy systems Systems architecture Problem-solving AI-assisted development tools Claude AI-assisted development

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Summary

A growing engineering team is seeking a mid-level Full Stack Engineer to build modern, data-heavy web applications with a backend-leaning focus. You’ll work with TypeScript, Node.js, and MySQL while contributing to scalable architecture, maintainable code, testing, and AI-assisted development workflows. The role offers increasing ownership, cross-functional collaboration, and the chance to work across both internal platforms and customer-facing applications.

Highlights

High-impact mid-level engineering opportunity with backend-leaning full-stack work, modern web platforms, data-heavy systems, AI-assisted development, and growing ownership. Offers exposure to internal and client-facing applications and collaboration across engineering, product, and design.

Description

Full Stack Engineer London (Hybrid – 3 days in office) We’re hiring two Full Stack Engineers to join our Web Development team as we scale our engineering capability across internal and client-facing platforms. This is a great opportunity for a mid-level engineer looking to step into a high-impact role, working on data-heavy systems, modern web platforms, and evolving AI-driven development practices. The Role You’ll join one of our product-focused engineering teams, working across the stack with a backend-leaning focus. We’re currently hiring across two key areas: Internal platforms – data-heavy systems, CMS, and order/fulfilment workflowsClient-facing products (OPAL) – building and enhancing external-facing applications. You’ll work closely with engineers, product, and design, contributing to real features early and taking on increasing ownership as you grow. What You’ll Be Doing Building and developing features using TypeScript and Node.js.Working on backend-heavy, data-driven systems (MySQL).Designing scalable and maintainable system architectureCollaborating across teamsContributing to AI-driven development workflows, including code generation and automationWriting clean, well-structured, and testable codeTaking ownership of features and projects over time AI-Driven Engineering We’ve significantly evolved how we build software and now use AI tools (including Claude) as part of our day-to-day development workflow. A strong candidate will: Already be actively using AI tools in their development processBe confident generating, iterating, and validating AI-assisted codeBe excited to continue evolving how AI is used in engineering What We’re Looking For Must-haves: Strong experience with TypeScript and Node.js.Experience building backend-focused full stack applications.Strong understanding of databases and data-heavy systems (MySQL).Solid systems thinking and problem-solving skills.Hands-on experience using AI tools (e.g. Claude) in development workflows. Nice to have: Experience with internal tooling or CMS platformsExperience building client-facing applicationsExposure to fast-paced or evolving engineering environments