Senior Frontend Developer

Frontend Software Engineer – React / TypeScript / Complex Web Applications

Location: London, UK (Hybrid)

Type: Full-time

Level: Mid to Senior

About the Role

This start-up is building a cutting‑edge platform that redefines how engineers design physical products. As a spin‑out from one of the UK’s most successful technology companies, the team includes world‑class engineers and developers from top‑tier product organisations. We’re searching for a frontend engineer passionate about building complex, high‑performance web applications.

Tech Stack (Engineering Environment)

• Frontend: React, TypeScript, Vite, Zustand/Recoil, Tailwind (or similar), Web Workers, WebGL/WebGPU (nice to have)
• Paradigms: Event‑driven architecture, functional programming, real‑time data flows

Responsibilities

• Build and maintain complex, high‑performance web applications using React and TypeScript
• Develop interactive UIs for geometry exploration, real‑time simulations, and high‑density data visualisation
• Work closely with engineers and domain experts to transform intricate physical and mathematical concepts into accessible UX flows
• Use functional and declarative programming patterns to create composable, reusable, testable UI components
• Architect and maintain client‑side state management solutions that handle large, rapidly changing datasets
• Optimise performance using techniques such as memorisation, batching, Web Workers, and incremental rendering
• Own features end‑to‑end—from initial concept, prototype, and UX exploration through to production release
• Collaborate with backend teams to design efficient API shapes for event‑driven and streaming data systems

Requirements

• Bachelor’s degree in Computer Science
• 2+ years experience building complex, production‑grade web applications
• Strong proficiency with React, TypeScript, and modern frontend tooling
• Experience working with Python

Base Pay Range

Tiro Partners Limited provided pay range. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.