UX Engineer - 4762

UX Engineer (for a World-Leading AI Laboratory Team) Location: King’s Cross, London Contract: 12 months Rate: £42.31 per hour PAYE Working pattern: Hybrid – on-site Tuesday, Wednesday and Thursday Hours: 40 hours per week

We are looking for an experienced UX Engineer / Front-End Engineer to a World-leading AI laboratory Science team. The team builds early-stage research deployments and highly novel digital products that bring cutting-edge scientific research to life. You will work closely with researchers, engineers and designers to turn emerging ideas into high-quality web products. This is a new position created due to an increase in project demand. You will support one or two fast-moving products, contributing from the early stages of development through to testing, feedback and iteration.

Key responsibilities

Build modern websites and web applications for cutting-edge research products.

Develop products from the earliest 0-to-1 stage.

Work closely with researchers to understand complex ideas and translate them into usable digital experiences.

Partner closely with UX and product designers throughout the development process.

Build reusable, accessible and well-tested front-end components.

Write high-quality code using the latest versions of Angular and TypeScript.

Attend product calls and contribute technical input to project decisions.

Submit and review code through established code-review processes.

Test features, gather feedback and iterate quickly.

Follow engineering standards, coding conventions, design systems and style guides.

Contribute to product experimentation and A/B testing.

Identify technical, delivery and user-experience risks early.

Use AI-assisted coding tools effectively as part of an AI-first engineering approach.

Work autonomously and prioritise effectively across one or two projects.

Enable wider engineering teams to focus on research and core technical challenges by owning front-end product delivery.

Essential experience

At least four years of professional experience in front-end development, UX engineering, UI development or technical prototyping.

Strong commercial experience with Angular.

Strong commercial experience with TypeScript.

Experience building production-quality websites and web applications.

Experience using current versions of modern front-end technologies.

Strong knowledge of front-end testing frameworks and automated testing.

Experience writing clean, maintainable and reusable code.

Experience working closely with UX, UI or product designers.

Strong understanding of responsive and accessible web development.

Experience participating in code reviews and collaborative engineering workflows.

Ability to work independently and manage competing priorities.

Experience using AI coding tools within the development process.

Ability to move quickly while maintaining a high standard of quality.

Desirable experience

Experience working in a 0-to-1 product environment.

Experience building research, scientific, AI or technically complex products.

A professional or academic background in science.

Experience working directly with researchers or research engineers.

Experience with A/B testing and data-informed product development.

Experience building prototypes, scripts, plug-ins or internal tools.

Experience contributing to component libraries or design systems.

Candidate profile

The successful candidate will be a strong hands-on front-end developer who genuinely cares about the product and the end-user experience. You will be comfortable working in an environment where requirements may evolve as research develops. You should be able to work with autonomy, make sensible technical decisions and maintain momentum without needing constant direction. You will be creative, strategically minded and confident working closely with designers, researchers and engineers. You should enjoy building new products, testing ideas and improving them through feedback. This role would suit someone who thrives in an ambiguous, fast-moving and highly collaborative 0-to-1 environment.

Interview process

One-to-one interview

Technical coding interview