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.

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