Senior Frontend Engineer: React & Design System Owner

Prism Digital; Greater London; Hybrid; GBP 85,000 - 120,000; Full time

Job summary

Prism Digital is seeking a Senior Front-End Developer in London to own the front end across our POS and payments products. You will drive a component-driven architecture, mentor a small team, and shape the shared design system while delivering robust, high‑performing UIs.

The role emphasizes ownership, autonomy, and impact on product quality as the company scales. You’ll work in a hybrid setup with a supportive leadership culture that values technical excellence.

Qualifications

• Proven senior front-end experience with hands-on coding.
• Expertise in React and component-driven architecture.
• Ability to mentor one or two developers.
• Strong technical decision-making under pressure.
• Demonstrated ownership of front-end systems.

Responsibilities

• Own the front end across the product suite.
• Develop portal and mobile ordering UX components.
• Contribute to design system and shared component library.
• Ensure automated testing, CI/CD, and performance monitoring.

Skills

React

Senior front-end experience

Component-driven architecture

Mentoring

Decision-making under pressure

Tools

TypeScript

React Native

Node.js

Express

MongoDB

PostgreSQL

Job description

Prism Digital is seeking a Senior Front-End Developer in London to own the front end across our POS and payments products. You will drive a component-driven architecture, mentor a small team, and shape the shared design system while delivering robust, high‑performing UIs.

The role emphasizes ownership, autonomy, and impact on product quality as the company scales. You’ll work in a hybrid setup with a supportive leadership culture that values technical excellence.