Frontend Engineer

About The Company Motorway is the UK's largest online car-selling platform, revolutionizing the way private sellers and dealerships transact. Since its inception in 2017, Motorway has established itself as an award-winning, technology-driven company that connects private car sellers directly with over 8,000 dealers across the nation. Our innovative online platform enables sellers to achieve optimal prices for their vehicles while providing dealers with rapid, reliable access to a diverse stock of cars, streamlining the entire buying and selling process. Backed by leading global technology investors, Motorway has raised £143 million in Series C funding, underscoring its rapid growth and industry impact. As a fast-growing scale-up, we offer a dynamic environment where innovative solutions and industry transformation are at the forefront. We are committed to redefining the automotive industry by leveraging cutting-edge technology, fostering a collaborative culture, and delivering exceptional value to our users. Joining Motorway means becoming part of a forward-thinking team dedicated to continuous improvement, scalability, and excellence in service delivery. About The Role We are seeking a highly skilled Staff Frontend Engineer to lead and shape our frontend engineering efforts. In this pivotal role, you will work across multiple cross-functional squads comprising engineers, designers, data analysts, and product managers. Your primary focus will be to ensure the technical excellence of our web applications, drive consistency across our frontend stack, and lead migration initiatives to adopt new frameworks and capabilities. As a TypeScript-first organization, our frontend stack includes TypeScript, React, SCSS, Next.js, and Express, with testing frameworks such as Vitest and Chromatic. You will bring deep expertise in modern web technologies, guiding the team through complex technical challenges and setting standards for quality, security, and performance. Additionally, you will spearhead our AI engineering practice on the frontend, establishing standards for AI tool integration, guardrail architecture, and quality assurance. Your leadership will foster a culture of ownership, innovation, and continuous learning, helping us maintain our competitive edge and deliver high-quality, scalable solutions. Qualifications At least 5+ years of experience in frontend development, building and operating large-scale production web applications.Proven track record of leading complex, high-impact projects within fast-paced environments.Deep expertise in modern CSS/SCSS, HTML, and ECMAScript standards.Extensive experience with TypeScript and React, including hooks, component composition, and transitions.Strong understanding of frameworks like Next.js, handling SSR, routing, and data fetching.Experience in writing comprehensive unit and end-to-end tests, and developing CI/CD workflows.Recognition as a technical authority in frontend engineering, capable of influencing product and engineering decisions.Ability to translate business priorities into technical solutions and defend decisions through reasoning.Experience with legacy systems, evaluating frameworks, and making pragmatic build-vs-refactor-vs-replace decisions.Interest and experience in integrating AI tools into development workflows. Responsibilities Own end-to-end delivery of meaningful product features, from design handoff to production deployment, ensuring accessibility and performance standards.Author and maintain API contracts and technical documentation, establishing clear specifications and success criteria.Drive consistency across all web properties by designing and enforcing frontend standards and best practices.Lead migration efforts to adopt new framework features, ensuring smooth transitions and minimal disruption.Set and uphold security standards, including client-side security measures such as CSP and XSS prevention, as well as data governance and reliability protocols.Manage the build and deployment pipeline, monitor performance, and optimize hosting and infrastructure decisions.Mentor and develop engineers into technical leaders, fostering a culture of ownership, accountability, and high standards.Lead the integration of AI tools like Kiro into the frontend workflow, establishing best practices and standards for AI-assisted development.Evaluate new frameworks, tools, and third-party vendors, providing build-vs-buy recommendations based on technical and commercial factors.Participate in incident reviews, security audits, and performance tuning to maintain high reliability and user experience. Benefits Competitive salary package aligned with experience and expertise.Health insurance coverage for employees and dependents.Flexible working hours and remote working options.Generous holiday allowance and paid time off.Opportunities for professional development, training, and certifications.Access to the latest technology and tools, including AI integrations.Collaborative and inclusive company culture focused on innovation and growth.Participation in company-wide initiatives and strategic planning. Equal Opportunity Motorway is committed to creating a diverse and inclusive environment for all employees. We are proud to be an equal opportunity employer and do not discriminate based on race, gender, age, religion, sexual orientation, disability, or any other protected characteristic. We believe that a diverse workforce drives innovation and success, and we actively seek to foster a culture of respect, fairness, and opportunity for everyone.