Senior Node.js Engineer (AWS Serverless)

About this role

<p data-start="28" data-end="271">We are looking for a&nbsp;<strong>Senior Node.js Engineer (AWS Serverless)</strong> to join the team supporting a well-established UK-based e-commerce retailer operating across the US, UK, and APAC markets under 16+ partner brands. The client runs a high-volume, subscription-driven commerce platform with complex multi-market business logic and is currently midway through a major platform modernisation initiative — transitioning from a legacy monolithic system to a modern MACH architecture (Microservices, API-first, Cloud-native, Headless). As part of the engineering team, you will contribute to building scalable cloud-native services and modern backend solutions using Node.js and AWS Serverless technologies, helping drive the next generation of the client’s global commerce platform.</p> <p><strong>Responsibilities:</strong></p> <ul> <li>Build AWS Lambda microservices (Node.js/TypeScript) behind API Gateway, integrated with Commerce Tools and D365.</li> <li>Design and optimise DynamoDB data models and access patterns for high-throughput e-commerce.</li> <li>Contribute to CI/CD pipelines and collaborate with DevOps on infrastructure automation.</li> <li>Support knowledge transfer to client engineers on AWS serverless best practices.</li> <li>Delegate multi-step tasks to AI agents; review diffs, verify output, and maintain accountability for what gets committed.</li> </ul> <p>&nbsp;</p> <p><strong>Requirements:</strong></p> <ul> <li><strong>Experience:</strong> 5+ years in Software Development&nbsp;</li> <li><strong>Backend:</strong> Strong, production-grade proficiency in Node.js and TypeScript.</li> <li><strong>Cloud5/Serverless:</strong> Production-grade expertise with AWS Lambda, API Gateway, and DynamoDB (not just theoretical).</li> <li><strong>Architecture:</strong> Robust experience with microservices architecture and greenfield development.</li> <li><strong>AI Tooling:</strong> You are a self-sufficient builder who ships fast, communicates clearly across international teams, and operates AI agents as a genuine force multiplier — delegating, verifying, and iterating, not just prompting.</li> <li><strong>English level:</strong> Upper-Intermediate+</li> <li><strong>Tech Stack Ecosystem (Nice-to-Have):</strong> Exposure to ECS, Commerce Tools, Netlify, Contentful, D365, or Akamai</li> </ul> <p>&nbsp;</p><div class="content-conclusion"><p><strong>We offer*:</strong></p> <ul> <li>Flexible working format - remote, office-based or flexible</li> <li>A competitive salary and good compensation package</li> <li>Personalized career growth</li> <li>Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)</li> <li>Active tech communities with regular knowledge sharing</li> <li>Education reimbursement</li> <li>Memorable anniversary presents</li> <li>Corporate events and team buildings</li> <li>Other location-specific benefits</li> </ul> <p>*not applicable for freelancers</p></div>