Senior Software Engineer, Frontend

Travelex; City Of London; On-site; GBP 60,000 - 80,000; Full time

Job summary

A leading foreign exchange specialist in City Of London is seeking an experienced frontend developer to join their engineering team. You will work primarily with TypeScript and Next.js, focusing on delivering high-performance web applications and collaborating closely with cross-functional teams. The ideal candidate has 8+ years of experience and a strong commitment to coding quality and security. This role promotes work-life balance and is part of Travelex's digital-first strategy.

Qualifications

• 8+ years of experience in frontend development.
• Demonstrated strong fluency with TypeScript, Next.js and React.
• Experience with design systems and testing tools.

Responsibilities

• Writing clean, well-tested and maintainable code.
• Ensure high performance and scalability of web applications.
• Participate in code reviews and mentor junior team members.

Skills

TypeScript

Next.js

React

Frontend development

Testing tools (Vitest, Jest, Playwright)

Git version control

Tools

Sanity (Headless CMS)

Node.js

Express

Datadog

Job description

Overview

As a valued member of our engineering team, you will contribute to the development of a new web application powered by a Headless CMS, using the latest frontend technologies. The role uses a modern Next.js TypeScript stack with a primary focus on coding, testing, and enhancing the functionality of Travelex's and partner applications. You will work closely with engineers, designers and the product team as part of the Online team. While primarily an engineering role, we welcome developers who can contribute to product-level features before implementation. If you are eager to be part of a dynamic team, contribute to Travelex\'s digital-first strategy, and value work-life balance, we invite you to explore this opportunity with us.

Responsibilities

• Writing clean, well-tested and maintainable code
• Ensure high performance and scalability of web applications
• Thorough troubleshooting and debugging to diagnose technical issues
• Keep up to date with the latest trends and emerging technologies
• Identify technical debt and potential areas for improvement
• Actively contribute to discussions on product features, providing input based on technical considerations
• Participate in code reviews, identifying opportunities for improvement and mentoring junior team members when needed
• Knowledge of best practices in security, performance and accessibility

Qualifications

• 8+ years of experience in frontend development
• Demonstrated strong fluency with TypeScript, Next.js and React
• Experience with design systems, component libraries and Storybook
• Familiarity with state management libraries
• Experience with the testing pyramid and tools such as Vitest, Jest, Playwright
• Strong understanding of non-functional requirements (e.g. Accessibility, Security & Performance)
• Understanding of CI/CD practices and deployment pipelines
• Proficient with Git version control

Nice to have

• Experience with Headless CMS (we use Sanity)
• Exposure to backend or full-stack development (Node.js, Express, etc.)
• Developing white-label applications
• Building internationalised applications
• Familiarity with frontend observability best practices (we use Datadog)
• Experience in agile software development methodologies

Why Travelex?

To remain the world\'s leading foreign exchange specialist, we are focused on making our customers\' lives simpler, more engaging and hassle free while they travel or move money abroad. We promise to give them the freedom and peace of mind to explore the world, their way — enabling them to travel confidently because they know they have us to lean on. Customer centricity and digital are at the heart of our business strategy. Our commitment to innovation has never been greater, with the development of a number of digital-first, greenfield products and services. And with Travelex\'s resources, deep industry experience and leading brand we are inventing the future of FX, cross-border e-commerce and international payments.