Senior UI Engineer

Lead UI/React Data Visualisation Engineer

Location: UK/Hybrid

Salary: Competitive + Excellent Benefits

Employer: Global Technology Organisation

Are you a Lead-level UI Engineer with exceptional React and Front End architecture skills Do you want to design and build visual experiences used by 50,000 global developers every day?
This is a standout opportunity for a technically brilliant engineer to join a world-class product organisation. You'll work across multiple products, leading the creation of rich, intuitive data visualisation components - including a high-profile developer homepage central to the experience of tens of thousands of engineers.

The Role

As a Lead UI/React Data Visualisation Engineer, you'll:

• Take ownership of UI and Front End implementation across several product lines, with a strong focus on React and modern component architecture.
• Build interactive, high-performance data visualisation experiences using libraries such as D3.js, ECharts, or similar.
• Develop and evolve the UI for a developer homepage with 50,000+ active users, ensuring it is intuitive, responsive, and visually compelling.
• Set technical standards for UI engineering - component structure, state management, performance optimisation, accessibility, and design systems.
• Collaborate closely with UX designers, product managers, data engineers, and platform teams.
• Mentor and guide other engineers while remaining hands-on with coding, reviews, and architectural decisions.

About YouYou will thrive in this role if you have:

• Expert-level React skills, including component architecture, hooks, state management, and performance tuning.
• Strong UI engineering experience - you care about usability, interaction design, and polished user experience.
• Deep technical capability in data visualisation libraries (D3.js highly valued).
• Proven success building responsive, scalable, and robust Front End solutions in complex environments.
• Experience working across multiple products or platforms simultaneously.
• An ability to transform complex datasets into intuitive, meaningful visual insights.
• Confidence to provide technical leadership and contribute to wider Front End strategy.

What's on Offer

• A major impact role shaping a UI used by 50,000+ developers globally.
• The chance to lead architecture and decision-making across multiple products.
• A supportive, innovative environment with autonomy and room to experiment.
• Flexible hybrid working and excellent benefits.
• Clear growth and progression opportunities in a global engineering organisation.

Ready to Lead If you're a highly skilled React/UI engineer with a passion for visual storytelling, product quality, and technical excellence, this is a career-defining role.

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