Senior/Lead Front End Engineer (£90,000-£120,000k)

Senior Frontend Developer (Lead-Level)

Location: London (Hybrid, 4–6 days in office per month)

Type: Full-time | Global Fintech | 80% Hands-On / 20% Technical Leadership

About the Role

We’re looking for a Senior Frontend Developer with proven lead experience to help shape and scale our next-generation fintech platform. You’ll work across a modern JavaScript and TypeScript stack, using React and Tailwind to build high-performing, visually refined interfaces for a global client base.

This role blends hands-on development (80%) with technical leadership (20%), guiding best practices, mentoring developers, and influencing design and architecture decisions. We’re seeking someone with deep technical skill and a mature, business-oriented mindset, who can balance innovation, usability, and delivery in a fast-paced fintech environment.

Key Responsibilities

• Frontend Development: Lead the build of complex, data-rich UI components and workflows using React, TypeScript, and Tailwind CSS.
• Architecture & Design: Shape frontend architecture, enforce design system consistency, and ensure maintainable, scalable codebases.
• Leadership: Mentor developers through code reviews, pair programming, and best-practice guidance.
• Collaboration: Partner with product managers, UX designers, and backend engineers to deliver seamless, performant user experiences.
• Optimization: Drive frontend performance improvements, focusing on load times, responsiveness, and accessibility.
• Innovation: Evaluate and introduce modern frontend tools, libraries, and frameworks to improve developer productivity and platform quality.
• UI/UX Influence: Contribute to visual and interaction design decisions, balancing aesthetic excellence with practical implementation.
• Delivery: Take ownership of features from concept to release, ensuring quality and reliability in a regulated fintech environment.

What We’re Looking For

Technical Expertise

• 6+ years of professional frontend development experience.
• Deep proficiency in JavaScript, TypeScript, React, and Tailwind CSS.
• Strong UI experience - ability to translate complex workflows and data visualizations into intuitive, elegant, and responsive interfaces.
• Deep understanding of component-driven design, state management, and performance optimization.
• Experience integrating RESTful and event-driven APIs and handling real-time data.
• Skilled in testing frameworks (Jest, Cypress, Playwright, etc.) and modern build tooling.
• Familiarity with design systems, style guides, and UI documentation practices.
• Awareness of cloud deployment practices (AWS, CloudFront, API Gateway) is advantageous.

Leadership & Mindset

• Prior experience mentoring or leading small frontend teams.
• Mature communicator, able to influence technical direction and articulate trade-offs clearly.
• Business-minded - understands how design and engineering decisions impact growth and client outcomes.
• Collaborative and approachable, fosters a culture of excellence without ego.
• Design-aware, an appreciation for usability, typography, and consistent visual design.

Why Join

• Work in a global fintech with impact across markets and products.
• Blend technical depth with creative ownership - influence both the code and the user experience.
• Flexible hybrid setup, mostly remote, with 4–6 London office days per month.
• Join a talented, fast-moving engineering team solving complex problems at scale.