> Markdown version of [/jobs/ext/3184932-senior-full-stack-engineer](https://www.wearedevelopers.com/jobs/ext/3184932-senior-full-stack-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Full Stack Engineer - **Company:** Quantum - **Location:** London, UK - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Web Interfaces, HTML, JavaScript (Programming Language), Automation of Tests, Cascading Style Sheets (CSS), Software Quality, Databases, PostgreSQL, MongoDB, MySQL, Node.Js, NoSQL, Next.js, Responsive Web Design, SQL Databases, Systems Integration, Web Applications, Web Application Frameworks, Circleci, ReactJS, Express.js, Backend, Vue.js, AngularJS, Gitlab-ci, Front End Software Development, Restful APIs, Docker, Jenkins, Microservices - **Published:** September 1, 2026 - **Apply:** https://uk.indeed.com/viewjob?jk=7c7fb3eaa98efd63 ## About the Role * Strong expertise in JavaScript frameworks such as React, Vue.js, or Angular, with solid proficiency in HTML, CSS, and responsive design * Solid experience with Node.js, Express.js, and building RESTful APIs or microservices * Comfortable working with both SQL (PostgreSQL, MySQL) and NoSQL (MongoDB) databases * Experience integrating automated tests into CI/CD pipelines (e.g. Jenkins, CircleCI, GitLab CI) and familiarity with containerisation tools like Docker * Knowledge of CMS would be a bonus * You do your best work as part of a team and enjoy sharing knowledge as much as gaining it * You're comfortable navigating ambiguity and a fast-moving environment * Excellent written and verbal English skills * Collaborative and grounded, you value others' perspectives and create space for them ## Description Our Technology team is growing and we'd love you to grow with us. We're looking for a Senior Full Stack Engineer to help shape and scale our technology platform as we pursue our ambitious vision. In this role, you'll take a leading hand in both frontend and backend systems delivering high quality development and thoughtful technical solutions across the product lifecycle. While your primary focus will be coding and architecture, you'll also support and guide other developers, helping to foster a culture of quality, curiosity, and continuous improvement. You're a skilled individual contributor and a collaborative technical champion, someone who enjoys working closely with others to build scalable, efficient, and well crafted applications using modern frameworks and tools. Key Responsibilities * Lead by example as a hands on developer, contributing to both front-end and back-end codebases * Shape architecture and system design for web applications, with a focus on scalability, security, and performance * Mentor and support other engineers, championing code quality through thoughtful reviews and shared best practices * Design and implement responsive, user friendly web interfaces using modern JavaScript frameworks (Next.js, React) * Partner with UX/UI designers to bring designs to life as functional, intuitive experiences ## Related Videos - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [Leveraging Real time data in FSIs](https://www.wearedevelopers.com/videos/806-leveraging-real-time-data-in-fsis) - [MySQL Protocol Features You Should Be Aware Of](https://www.wearedevelopers.com/videos/100267-mysql-protocol-features-you-should-be-aware-of) - [Quantum DevOps - Quantum Application Development](https://www.wearedevelopers.com/videos/1441-quantum-devops-quantum-application-development) - [NoLoJS - Avoiding JavaScript Cruft with HTML and CSS - Aaron T. Grogg](https://www.wearedevelopers.com/videos/1806-nolojs-avoiding-javascript-cruft-with-html-and-css-aaron-t-grogg) - [Web development best practices in 2021](https://www.wearedevelopers.com/videos/280-web-development-best-practices-in-2021) ## Related Articles - [The Best 7 Frontend Frameworks for Developers in 2025](https://www.wearedevelopers.com/magazine/400-the-best-7-frontend-frameworks-for-developers-in-2025) - [Fullstack Developer Salary UK](https://www.wearedevelopers.com/magazine/251-fullstack-developer-salary-uk) - [The Best JavaScript Framework to Learn](https://www.wearedevelopers.com/magazine/229-the-best-javascript-framework-to-learn) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline)