Senior Frontend Engineer
Senior front-end engineer at Cox Automotive Europe's Lisbon tech hub, building scalable, accessible web experiences for vehicle marketplace products using React, TypeScript, GraphQL, micro-frontends, and AWS, with AI-assisted tooling like GitHub Copilot and mentoring junior developers.
- Compensation
- Not disclosed
- Location
- UK
- Work setup
- Not specified
- Seniority
- Senior
- Employment
- Not specified
- Experience
- Not specified
- Category
- Frontend
- Posted
Must have
- Expert-level experience with React and modern front-end development
- Strong experience designing and consuming GraphQL APIs
- Experience building and supporting Micro-Frontend architectures
- Strong knowledge of JavaScript/TypeScript, HTML, CSS, and responsive design
- Experience with modern rendering approaches: SSR, SSG, SPA, PWA
- Experience deploying front-end applications in AWS environments
- Strong understanding of accessibility, usability, and front-end performance best practices
- Experience with testing frameworks such as Jest and React Testing Library
- Experience working in Agile environments with CI/CD practices
- Hands-on experience with AI-assisted development tools (GitHub Copilot, Claude Code, or similar)
- Strong communication and collaboration skills
- Professional proficiency in English
Nice to have
- Experience with Next.js
- Experience with Playwright and end-to-end testing
- Familiarity with .NET/C# environments
- Experience with Terraform and Infrastructure as Code
- Experience with observability and monitoring tools such as New Relic
- Knowledge of Lean UX, experimentation, and A/B testing
- Contributions to open-source projects or a strong technical portfolio
Full description
Location: Lisbon, Portugal (Hybrid)
Shape the Future of Digital Experiences
At Cox Automotive Europe, we're transforming the way the automotive industry connects, trades, and grows. Through significant investment in technology, data, and AI, we're building the next generation of digital products that power vehicle marketplaces, customer experiences, and business operations across Europe.
As part of this transformation, we're expanding our Technology Hub in Lisbon and looking for a talented Senior Front-End Engineer to help build exceptional digital experiences that delight users and deliver business value at scale.
This is an exciting opportunity to join a high-performing product engineering team, working with modern front-end technologies, AI-assisted development tools, and a collaborative group of engineers, designers, and product professionals who are passionate about innovation and excellence.
The Opportunity
As a Senior Front-End Engineer, you'll play a key role in designing, building, and evolving world-class user experiences across our European product portfolio. You'll work closely with Product Managers, UX/UI Designers, Back-End Engineers, Architects, and fellow Front-End Engineers to deliver modern, scalable, and accessible web applications.
You'll be an expert in React and modern front-end engineering practices, helping to shape how we build and deliver customer-facing solutions through micro-frontends, GraphQL, cloud-native architectures, and AI-enabled engineering practices.
What You'll Be Doing
Design, build, and maintain engaging, scalable, and responsive user experiences.
Develop and evolve micro-frontends using modern React-based architectures.
Design and consume GraphQL APIs while collaborating closely with back-end engineering teams.
Select and apply the most effective rendering strategies, including SSR, SSG, SPA, and PWA approaches.
Translate UX and design concepts into high-quality, accessible, and performant user interfaces.
Build quality into every release through automated testing and continuous delivery practices.
Optimise performance, accessibility, security, and overall user experience.
Participate in architectural discussions and contribute to technical design decisions.
Review code and provide technical guidance to fellow engineers.
Mentor and support less experienced developers within the team.
Leverage AI-assisted development tools to improve productivity while maintaining engineering excellence.