Senior Web Engineer

Salary: £25,000 - 65,000 per year

Requirements:

• Professional experience in frontend web development, with expert knowledge of React, TypeScript, and Next.js.
• A deep understanding of modern frontend architecture, including state management, component patterns, and hooks.
• Experience with web testing frameworks such as Jest or Cypress and CSS-in-JS libraries such as Vanilla Extract or Emotion.
• A solid grasp of CI/CD processes, version control with Git, and how backend APIs like GraphQL integrate with frontend systems.
• Strong communication and cross-functional collaboration skills.
• Experience contributing to a design system such as Storybook is a strong plus.
• Knowledge of web accessibility standards is a strong plus.

Responsibilities:

• Technically design and develop new product features using modern frontend technologies, writing high-quality, well-tested, and maintainable code.
• Collaborate with design and product teams to define user experiences and technical requirements, ensuring we build features that solve customer problems.
• Participate actively in code reviews, architectural discussions, and team planning to drive our technical direction forward.
• Contribute to our collaborative web engineering culture by participating in the Web Chapter.
• Mentor junior colleagues in modern best practices.

Technologies:

• Backend
• CI/CD
• CSS
• Cypress
• Frontend
• Git
• GraphQL
• Jest
• LESS
• React
• Storybook
• TypeScript
• Web
• JavaScript
• Spark

More:

Were reinventing payments. In less than four years, we disrupted the market to become the largest and most loved acquirer in the UK. Our payments infrastructure is purpose-built for in-person commerce, and over 150,000 customers across four countries transact billions with us every year. We are a company with a strong, collaborative culture where our people are our greatest investment, and we give exceptional people autonomy, trust, and ownership to thrive. As a Web Engineer, youll join our Customer Apps team to build and scale customer-facing applications that help businesses run smoothly, transforming how customers interact with us through a single, intuitive suite of tools across multiple product domains. We believe our best work happens when we collaborate in person, so we work office-first with 4+ days per week in the office. Our offices across Europe offer quiet zones, collaboration spaces, and social hubs, and we value being curious, relentless, and customer-obsessed. We also care deeply about diversity, equity, and inclusion, building teams that reflect the businesses we serve and helping employees thrive.

last updated 35 week of 2026