Front End Web Developer for AI Legal Tech Company in London

Overview

In this role you will maintain and improve a suite of live, internally built web applications used across international offices, starting with support, bug fixes, and feature work and advancing toward owning the product suite. You will join a small technical team acting as custodians of critical front-end systems, balancing practical delivery with live-system discipline. The role emphasizes rapid, iterative shipping and close collaboration with non-technical teams to deliver usable software. You will engage with modern technologies and emerging AI-assisted development to enhance end-user experiences.

Responsibilities

• Maintain and fix live frontend systems with a focus on stability and rapid delivery
• Implement features and improvements on internally built web applications
• Collaborate with a small technical team and non-technical stakeholders to translate needs into working solutions
• Ensure changes are tested in staging before production and monitor live systems post-deployment
• Bridge frontend work with Node.js/Express backends and REST APIs
• Leverage LLM tools for code generation, debugging, and reviews and ship AI-powered features

Key requirements

• Extensive experience with HTML, CSS, and vanilla JavaScript (React/Next.js not required)
• Comfort reading, debugging, and extending Node.js/Express REST APIs
• Strong SQL skills with T-SQL for large production databases
• Experience integrating frontend with RESTful and third-party APIs
• Experience with multi-role auth (SSO, RBAC)
• Working knowledge of Azure App Service, deployment slots, log streaming, and Azure DevOps
• Experience writing and maintaining unit/subsystem/system tests for frontend apps
• Hands-on experience with Claude and other LLM models for code generation, debugging, and reviews
• Experience shipping LLM-powered features and integrating in-product AI with streaming responses and robust error handling
• Rapid iteration and a pragmatic, show-don’t-tell development approach
• Production instincts: reproduce, root-cause, verify in staging, and clean deployment
• Solid design instincts for web layouts and user journeys

• Strong written and verbal communication
• Stakeholder engagement and translating complaints into defects
• Independent drive to deliver fixes and features to production
• Vanilla frontend technologies (HTML, CSS, JavaScript)
• Node.js/Express REST API familiarity
• SQL/T-SQL for production databases

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