Senior Frontend Engineer - React, RSC, Async, Typescript, Serverless

Smart Sourcer Limited

Charing Cross, United Kingdom

7 days ago

Role details

Contract type

Permanent contract

Employment type

Full-time (> 32 hours)

Working hours

Regular working hours

Languages

English

Experience level

Senior

Compensation

£ 90K

Charing Cross, United Kingdom

HTML

JavaScript

Web Accessibility

CSS

Software as a Service

Code Review

Responsive Web Design

TypeScript

React

Playwright

Front End Software Development

React Testing Library

Serverless Computing

Developing an exceptional user experience for a rapidly growing, business-critical SaaS product using React, TypeScript, and the latest frontend tooling.
Taking on some of the most complex and challenging items in the backlog-owning solutions end-to-end and delivering high-quality, well-tested code.
Collaborating closely with your squad, designers, and other engineering teams to plan, shape, and implement technical and UX requirements.
Participating in technical decision-making, influencing architecture, patterns, and frontend best practice.
Taking responsibility for your output-writing clean, maintainable, accessible code that aligns with modern engineering standards.
Pairing with and supporting junior engineers, helping them grow through coaching, code reviews, and shared problem-solving.

5+ years' experience building modern, responsive web applications with React, TypeScript, and the wider JavaScript ecosystem.
Experience with RSC, Async and Serverless environments highly beneficial
Deep knowledge of HTML, CSS, browser fundamentals, and Web Accessibility.
Strong experience with modern testing frameworks such as React Testing Library and Playwright.
Comfort working in a cross-functional Agile squad, collaborating closely with designers and product colleagues.
Excellent problem-solving skills, attention to detail, and the ability to break down complex work into clear, deliverable chunks.
A proactive, ownership-driven mindset-someone who cares about quality, performance, and delivering great user experiences.