> Markdown version of [/jobs/ext/2786237-senior-full-stack-engineer-javascript](https://www.wearedevelopers.com/jobs/ext/2786237-senior-full-stack-engineer-javascript). 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 (Javascript) - **Company:** Atominvest - **Location:** Greater London, UK - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** HTML, JavaScript (Programming Language), Amazon Web Services, Computing Platforms, Cascading Style Sheets (CSS), Software as a Service, Continuous Integration, Web Development, Memory Management, Design of User Interfaces, MongoDB, Node.Js, Web Platforms, ReactJS, Git, Syntactically Awesome Style Sheets (SASS) - **Published:** September 8, 2026 - **Apply:** https://www.collegerecruiter.com/job/2840574778-senior-full-stack-engineer-javascript ## About the Role * 4-7 years+ experience in web development and deep proficiency across the following technologies + ReactJS + NodeJS + AWS + MongoDB + HTML, CSS/LESS/SASS + Git / CICD * A passion for maintainable, readable, stable, secure, and scalable code * Track record of shipping high quality SaaS products and features at scale * An ability to think through client needs and incorporate end-user feedback * Strong UI/UX instincts and an eye for visual design * Understanding of client-side performance, including rendering optimizations, memory management, and state management * Positive attitude, sense of humor and creativity * Strong analytical, project leadership and communication skills * Team leadership and management skills ## Description We are looking for a full-stack software developer to take the lead in working across optimizing and building the next set of features across our award-winning web platform., * Build performant, beautiful, and scalable features and services that delight our end users * Optimizing existing features and performance of our software platform * Solving complex problems in a logical and efficient manner * Taking a practical approach to prioritize engineering effort towards solving new engineering challenges * Identify opportunities for adopting new technologies and patterns * Lead, manage and mentor junior members of the team and help develop technical talent at Atominvest * Help attract, interview and onboard your future team members during this exciting time of growth ## Related Videos - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [40 Minutes to Build a Serverless COVID-19 REST and GraphQL APIs](https://www.wearedevelopers.com/videos/208-40-minutes-to-build-a-serverless-covid-19-rest-and-graphql-apis) - [Typescript, React and Atomic Design - a match made in heaven](https://www.wearedevelopers.com/videos/125-typescript-react-and-atomic-design-a-match-made-in-heaven) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) - [But, you're not Facebook](https://www.wearedevelopers.com/videos/378-but-you-re-not-facebook) ## Related Articles - [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023) - [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) - [Fullstack Developer Salary UK](https://www.wearedevelopers.com/magazine/251-fullstack-developer-salary-uk) - [Dev Digest 133 - Back to Front](https://www.wearedevelopers.com/magazine/474-dev-digest-133-back-to-front) - [16 Best Free React UI Libraries in 2025](https://www.wearedevelopers.com/magazine/148-16-best-free-react-ui-libraries-in-2025)