Senior Fullstack Engineer (Go/React)

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<div class="styles--2BkR3" data-ui="job-description"> <p><strong>Working at CreateFuture</strong><br><br><a href="https://createfuture.com/" target="_blank">CreateFuture</a> is an&nbsp;<strong>AI-native consulting partner&nbsp;</strong>where people do work that matters and are supported to do it well. We work alongside organisations such as PayPal, adidas, NatWest, FanDuel and Money Saving Expert, building digital products and services that make a difference&nbsp; while always putting people first.</p> <p>We’re a team of creators. We write code, shape delivery, build go-to-market strategies, develop AI solutions and create the practices that support our people. We work side by side with our clients, challenging what’s not working and helping them to build the future. Our commitment to craft, quality, and culture has helped us scale to over 600 people in just a few years.<br><br>CreateFuture is a <a href="https://www.greatplacetowork.co.uk/certified-company/1572759" target="_blank">Great Place to Work-Certified™ company </a>and has won Best Workplaces UK multiple years in a row.</p> <div class="styles--2BkR3" data-ui="job-description"> <div>We're looking for an experienced Senior Fullstack Engineer who is passionate about building scalable, high-quality software and helping teams grow. This is more than a hands-on engineering role—you'll influence technical direction, mentor other engineers, drive architectural decisions, and help us embed AI and automation into the way we deliver value for our clients.<br>You'll thrive here if you enjoy solving complex problems, challenging assumptions, collaborating openly, and taking pride in delivering software that makes a real business impact.<br><br><strong>What You'll Do</strong><br><br>As a Senior Fullstack Engineer, you will:</div> <ul> <li class="font-claude-response-body whitespace-normal break-words pl-2">Design, build and maintain scalable, secure and resilient backend systems using Go, alongside rich, responsive frontends built with React.</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Lead technical design and architectural discussions, ensuring solutions are maintainable, performant and aligned with best practices across the stack.</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Develop and evolve RESTful and gRPC APIs with a focus on security, versioning, performance and reliability.</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Build intuitive, high-performance user interfaces in React that integrate seamlessly with backend services.</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Champion engineering excellence through clean code, automated testing, documentation and code reviews.</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Drive delivery across multiple initiatives while balancing speed, quality and commercial value.</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Mentor engineers through coaching, pairing and constructive feedback, helping raise capability across the team.</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Collaborate with cross-functional teams to solve problems together and deliver outstanding outcomes for clients.</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Research and evaluate emerging technologies, frameworks and AI capabilities that improve how we build software.</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Promote automation wherever possible, removing repetitive work so teams can focus on solving meaningful problems.</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Contribute to a culture of continuous learning, innovation and technical excellence</li> </ul> <div><br><strong>What You'll Bring</strong><br> <p class="text-text-100 mt-2 -mb-1 text-base font-bold" data-sourcepos="30:1-30:24;2798-2821">Technical Expertise</p> <p class="font-claude-response-body break-words whitespace-normal" data-sourcepos="31:1-31:47;2822-2868">You'll have strong commercial experience with:</p> <ul class="[li_&amp;]:mb-0 [li_&amp;]:mt-1 [li_&amp;]:gap-1 [&amp;:not(:last-child)_ul]:pb-1 [&amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3" data-sourcepos="32:1-49:52;2869-3723"> <li class="font-claude-response-body whitespace-normal break-words pl-2">Go, including interfaces, error handling, generics and the standard library</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Go concurrency patterns, including goroutines, channels and the context package</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">React, including modern hooks-based development and state management</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">TypeScript for building robust, type-safe frontends</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Go web frameworks and routers such as net/http, Gin, Echo or Chi</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Data access in Go using tools such as database/sql, sqlx, sqlc or GORM</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Authentication and authorisation including OAuth2, OIDC and JWT</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">REST API design and implementation, with exposure to gRPC and Protocol Buffers</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Microservices and distributed system design</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">SQL databases with strong query optimisation skills</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">NoSQL databases</li> <li class="font-claude-response-