Lead Full Stack Engineer (Golang Focus)

<strong>Senior / Lead Full Stack Engineer (Golang Focus)</strong><br><strong>Location: Hybrid – 2 days per week in Central London </strong><br><br>A fast-growing, global digital platform is seeking a Senior / Lead Full Stack Engineer with deep expertise in Golang to help scale and evolve a high-traffic marketplace product operating across multiple international markets.<br><br>This organisation delivers community-driven platforms connecting millions of users each month and is entering an exciting phase of growth, innovation, and expansion into new regions. The engineering team embraces modern practices including AI-enabled development and spec-driven engineering.<br><br><strong>The Role<br></strong>This is a hands-on full stack engineering position with a strong backend bias toward Golang, responsible for building scalable, high-performance systems that power a global user base.<br><br>The successful candidate will play a key role in designing, developing, and optimising both backend services and frontend interfaces, working closely with product, design, and engineering teams to deliver impactful features and improvements.<br><br><strong>Key Responsibilities</strong><strong>Software Engineering</strong><ul><li>Design, build, and deploy scalable, high-quality applications across the full stack</li><ul><li>Architect and develop robust backend services using Golang (Go)</li><li>Build and maintain RESTful APIs and microservices</li><li>Contribute to modern, responsive frontend applications using Vue.js/Nuxt.js</li><li>Write clean, maintainable, and well-documented code following best practices<br><br></li></ul></ul><strong>Collaboration</strong><ul><li>Work cross-functionally with product managers, designers, and engineers</li><ul><li>Translate business requirements into technical solutions</li><li>Participate in code reviews and contribute to engineering standards</li></ul></ul><strong>Performance & Scalability</strong><ul><li>Optimise applications for speed, scalability, and reliability</li><ul><li>Identify and resolve performance bottlenecks across systems</li><li>Ensure systems are resilient under high traffic and large-scale usage</li></ul></ul><strong>Testing & Quality</strong><ul><li>Implement and maintain automated testing across the stack</li><ul><li>Debug and resolve complex technical issues</li><li>Ensure high levels of system stability and user experience<br><br></li></ul></ul><strong>Continuous Improvement</strong><ul><li>Stay current with emerging technologies and development approaches</li><ul><li>Contribute to evolving engineering processes, tooling, and practices</li><li>Support adoption of AI-assisted and spec-driven development workflows<br><br></li></ul></ul><strong>Key Requirements</strong><ul><li>Proven experience as a Senior or Lead Full Stack Engineer</li><ul><li>Strong commercial experience with Golang (Go) – essential and a primary focus</li><li>Experience with spec-driven or agentic development approaches</li><li>Advanced frontend expertise with Vue.js and Nuxt.js</li><li>Strong JavaScript (ES6+), HTML, and CSS skills</li><li>Experience designing and building RESTful APIs and microservices</li><li>Familiarity with gRPC for service-to-service communication</li><li>Solid experience with SQL and/or NoSQL databases</li><li>Proficiency with Git and modern development workflows</li><li>Experience with containerisation and deployment tools</li><li>Strong problem-solving and communication skills</li><li>Ability to work both independently and collaboratively<br><br></li></ul></ul><strong>What’s on Offer</strong><ul><li>Opportunity to work on a high-scale, international platform</li><ul><li>Exposure to modern engineering practices including AI-driven development</li><li>Collaborative, forward-thinking engineering environment</li><li>Hybrid working model with a central London office location<br><br></li></ul></ul><strong>Ideal Candidate Profile<br><br></strong>This role is best suited to an engineer who is:<br><br><ul><li>Deeply experienced in Golang backend development</li><ul><li>Passionate about building scalable, production-grade systems</li><li>Comfortable working across the full stack where needed</li><li>Interested in modern engineering practices and continuous improvement<br><br></li></ul></ul>