At least 3 years of professional full-stack development experience at mid-level; 3 years of front-end development experience required
Strong proficiency in React, including component design, state management and responsive layouts
Solid HTML, CSS and JavaScript skills; TypeScript preferred
Some experience building server-side services with https://jobeax.com/link/JSd7UYCSg572jJDY or a similar language and framework, or willingness to learn
Experience designing and building RESTful APIs
Experience using AI tools such as Claude Code, GitHub Copilot or Cursor in day-to-day development
Ability to work autonomously, prioritise tasks and raise issues clearly with senior colleagues
English language required
United Kingdom work authorisation required
London, Greater London location required; reliable commuting or plans to relocate preferred
Desirable: Familiarity with https://jobeax.com/link/Z30sZYC3jcRenVso or other React-based frameworks
Desirable: Experience building or contributing to design systems and component libraries
Desirable: Knowledge of WCAG web accessibility standards
Desirable: Experience with CI/CD pipelines and automated testing tools such as Jest, React Testing Library or Playwright
Responsibilities:
Build user-friendly, responsive React interfaces and interactive features across devices and screen sizes
Build and maintain APIs and backend services that support our web applications
Write clean, tested and reusable code, and optimise applications for speed, security and maintainability
Investigate and fix bugs across the stack, escalating issues to senior engineers with clear context when needed
Use AI coding tools effectively, efficiently and responsibly, reviewing generated code carefully
Work with developers, designers and stakeholders to plan and deliver new features
Take ownership of work from start to finish, use initiative and identify and raise problems early
Technologies:
AI
Backend
CI/CD
Claude Code
Copilot
CSS
Cursor
Frontend
GitHub
Support
JavaScript
Jest
React
Security
TypeScript
Web
NodeJS
Playwright
More:
We are Snowdrop, transforming payment data into clear insights, including merchant logos and ESG tags, through solutions developed with partners such as Google and VISA. We are seeking a mid-level Full Stack Developer for our Product Engineering team. You will work with our Lead Frontend Engineer on new customer-facing applications and modernising existing systems, with a strong focus on React frontend development and opportunities to contribute to supporting backend services. This role can grow towards a senior frontend specialist or product engineering position. We offer permanent, full-time employment, hybrid working with at least three days onsite per week in London, competitive compensation of £40,000–£45,000 per year, casual dress, company events, a company pension, a cycle-to-work scheme and private medical insurance.
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