Full Stack Engineer

Legal 500; Greater London; On-site; GBP 90,000 - 120,000; Full time

Job summary

Legal 500 in London is seeking a Full Stack Engineer with a strong backend focus to help build AI-enabled software across our research and client-facing platforms.

You will own end-to-end features, work with TypeScript/Node.js, databases and data-heavy workflows, and contribute to AI-driven pipelines. London hybrid arrangement offers three days in the office.

Qualifications

• Strong commercial 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.

Responsibilities

• Backend services and APIs built with TypeScript and Node.js.
• Data-heavy systems and workflows.
• CMS and internal platform development.
• Product architecture and systems design.
• API integrations and data pipelines.
• AI-assisted engineering workflows.
• Scaling and improving existing platforms rather than building simple greenfield applications.

Skills

TypeScript and Node.js

Backend-focused full stack

Databases/MySQL

Systems thinking

AI in development workflows

Tools

Claude

Cursor

Claude Code

GitHub Copilot

Agent-based development tools

Job description

About Legal 500

Legal 500 is a global legal market research, data and intelligence business. Our research helps corporate clients make informed decisions about legal representation and gives law firms insight into their market position, performance, and clients.

Beyond research, we're building a growing data, benchmarking, market-intelligence and subscription service offering. We bring the legal market together through a global programme of events - awards ceremonies, conferences and roundtables that convene leading law firms, in-house teams and their advisers. And through Legal Business, our journalistic title, we deliver independent news, analysis and commentary on the business of law and the strategy, performance and leadership of the world's leading law firms.

We are a growing, multi-site organisation, with colleagues working across research, data, technology, product, journalism, commercial and events in London, Leeds and Bristol.

We're hiring a Full Stack Engineer to join our growing engineering team at Legal 500.

We're specifically looking for engineers who are strongest on the backend and who enjoy designing systems, solving complex data problems, and using AI as a core part of their development workflow.

You'll work across a range of internal and client-facing platforms that underpin Legal 500's research, rankings, workflows and products, helping us build the next generation of AI-enabled software.

What You'll Be Working On

• Backend services and APIs built with TypeScript and Node.js


• Data-heavy systems and workflows


• CMS and internal platform development


• Product architecture and systems design


• API integrations and data pipelines


• AI-assisted engineering workflows


• Scaling and improving existing platforms rather than building simple greenfield applications

This role is ideal for engineers who enjoy understanding how systems work end-to-end and who want meaningful ownership of features and services.

AI-Driven Engineering

We actively use AI throughout the software delivery lifecycle and are looking for engineers who already work this way.

We're particularly interested in candidates who use tools such as:

• Claude


• Cursor


• Claude Code


• GitHub Copilot


• Agent-based development tools

A strong candidate will:

• Already be actively using AI tools in their development process


• Be confident generating, iterating, and validating AI-assisted code


• Be excited to continue evolving how AI is used in engineering

We're looking for engineers who have integrated AI into their workflow end-to-end and can talk through real examples of how this has improved delivery, quality and productivity.

Must-haves:

• Strong commercial 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.

London (Hybrid - 3 days in office