Overview

Join a fast-growing tech company developing cutting-edge UI solutions used at scale by some of the world's largest enterprises, financial institutions, and tech businesses. With over a million weekly downloads, this product powers real-time, high-performance applications relied upon by 90% of the Fortune 500.

Location & Salary

Location: London (Hybrid – 2 days WFH)

Salary: £150,000 - £200,000 (Permanent)

pension, private healthcare, gym membership, 25 days + 8 BH holiday allowance, tech/hardware budget.

What you'll be doing

• Optimising front-end performance for real-time, data-intensive applications.
• Developing and enhancing a highly optimised, scalable UI framework used by thousands of global enterprises.
• Solving algorithmic and architectural challenges, ensuring the UI handles millions of data points seamlessly.
• Taking complete ownership of features, from ideation to implementation, shaping a product used by millions worldwide.

What you'll bring

• A strong grasp of data structures, algorithms, and front-end performance optimisation.
• Hands-on experience with React, Angular, or Vue, including a deep understanding of DOM rendering.
• A problem-solving mindset with the ability to diagnose and fix performance bottlenecks, memory leaks, and rendering inefficiencies.
• A passion for building scalable, high-performance UI components.
• Make an impact by working on a globally used product that powers some of the most demanding applications.
• Tackle deep technical challenges at the intersection of front-end performance, data visualisation, and scalability.
• Competitive salary of £150,000 - £200,000 plus benefits.
• Engineering-first culture where your contributions truly matter.
• Hybrid working with two days per week from home.

Seniority level

• Mid-Senior level

Employment type

• Full-time

Job function

• Information Technology

Industries

• IT System Custom Software Development, Software Development, and Technology, Information and Media