Senior Frontend Developer

Senior Frontend Engineer

London – up to £150,000 + Bonus

Are you driven by building low-latency, data-rich frontends that update in real time? Do you want to solve complex engineering problems at scale, surrounded by exceptionally strong engineers in a high-impact environment?

A leading financial services organisation in London is expanding its engineering team and looking for a Senior Frontend Engineer to help shape the next generation of real-time user interfaces. You’ll be joining a team that handles vast amounts of fast-moving data and turns it into intuitive, beautifully engineered experiences used by business-critical teams.

About this role:

You’ll work on systems where speed, precision, and reliability genuinely matter. Expect challenges around large-scale data visualisation, low-latency rendering, and building interfaces that users depend on for rapid, high-stakes decision-making. You’ll collaborate closely with product teams, engineers, and specialist users, owning features end to end and having a direct impact on tools used every day at the heart of the business.

What you’ll do:

• Build new high-impact frontend features using React + TypeScript
• Engineer scalable, reliable UI systems for real-time decision-making
• Make sense of large, fast-moving datasets and design intuitive ways for users to interact with them
• Contribute to design, UX, performance optimisation, and frontend architecture decisions
• Work as part of a cross-functional team with product, engineering, and domain experts

What you’ll bring

• Strong React and TypeScript experience
• Deep understanding of JavaScript, browser APIs, and performance optimisation
• Experience building low-latency, data-rich interfaces that update in real time
• Ability to simplify complex problems into elegant, intuitive user experiences
• Strong communication skills and a collaborative mindset
• Experience with testing, CI/CD, and modern engineering practices

What you’ll get

Alongside a base salary up to £150,000 + bonus, you’ll join an organisation that invests heavily in its people, offering extensive learning budgets, comprehensive wellbeing benefits, and a culture designed to help talented engineers thrive.

If you’re excited by building real-time, data-rich frontends with serious engineering challenges and want to do it in a fast-moving financial services environment, this role is for you.