Senior Front-End Engineer | React | Next.js | AWS Lambda West London (Hybrid: 2 days/week on-site) | Contract | Outside IR35 | 6-month initial (likely extensions) Were looking for a Senior Front-End Engineer to join a high-performing Agile team building high-traffic eCommerce & service web applications. What Youll Do Build well-crafted, scalable front-end apps with React.js & Next.js Develop & support server-side rendered apps using AWS Lambda Write resilient, performant, and secure code Implement end-to-end testing (unit, functional, integration, visual regression, Lighthouse) Contribute to technical direction, tooling, and process improvements What Were Looking For Strong commercial React/Redux experience Solid grasp of TDD, CI/CD & testing frameworks (Jenkins, Concourse, Cypress, etc.) Experience optimising apps for performance, security & resilience Bonus: TypeScript, Node.js, GraphQL experience Familiarity with AWS Lambda ?? Contract : Outside IR35 ? Start : ASAP ?? Rate : Market rates ?? Eligibility : Must be able to work in the UK ?? Interested? Send your CV, day rate & availability