> Markdown version of [/jobs/ext/335461-mern-stack-developer-3-4-years-experience](https://www.wearedevelopers.com/jobs/ext/335461-mern-stack-developer-3-4-years-experience). 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). --- # MERN Stack Developer (3-4 Years Experience) - **Company:** Crystal Vision - **Location:** UK (Remote available) - **Experience:** Experienced - **Salary:** £9,000.0 - £14,400.0 - **Contract:** Temporary contract - **Skills:** Clean Code Principles, JavaScript (Programming Language), Amazon Elastic Compute Cloud, Amazon S3, User Authentication, Code Review, Database Design, Software Debugging, Linux System Administration, MySQL, Node.Js, OAuth, Query Optimization, SQL Stored Procedures, TypeScript, Web Applications, WebSocket, Cloud Platform System, Real Time Systems, Mern, ReactJS, Express.js, Indexer, Backend, Amazon Relational Database Service, Front End Software Development, Functional Programming, Restful APIs, Es2015, Docker - **Published:** June 6, 2026 - **Apply:** https://uk.indeed.com/viewjob?jk=e86f87abfb9027a1 ## About the Role Do you have experience in REST?, * 3-4 years of professional experience in Full Stack Development. * Strong expertise in: * React.js * Node.js * Express.js * Fastify * MySQL * JavaScript (ES6+) * Experience in designing and consuming REST APIs. * Strong understanding of database design, indexing, query optimization, and transactions. * Experience with Git and version control systems. * Knowledge of authentication and authorization (JWT, OAuth). * Familiarity with Linux environments and server deployment. * Good problem-solving and analytical skills. Preferred Skills * Experience with TypeScript. * Experience with AWS services (EC2, S3, Lambda, RDS). * Knowledge of Docker and CI/CD pipelines. * Experience with WebSockets or real-time applications. * Familiarity with Sequelize ORM or similar ORM frameworks. * Experience working in Agile/Scrum environments., Applications will only be considered from candidates having 3-4 years of relevant experience in React.js, Node.js, and MySQL development. ## Description We are looking for a talented Full Stack Developer with 3 to 4 years of professional experience in developing scalable web applications using React.js, Node.js, and MySQL. The ideal candidate should have strong backend and frontend development skills and experience building production-grade applications., * Develop and maintain web applications using React.js and Node.js. * Design, develop, and maintain RESTful APIs. * Build responsive and user-friendly frontend interfaces. * Design and optimize MySQL database schemas, queries, and stored procedures. * Collaborate with product managers, designers, and other developers. * Write clean, maintainable, and efficient code. * Troubleshoot, debug, and resolve application issues. * Participate in code reviews and maintain development standards. * Integrate third-party APIs and services. * Deploy and maintain applications in cloud environments. ## Related Videos - [MySQL Protocol Features You Should Be Aware Of](https://www.wearedevelopers.com/videos/100267-mysql-protocol-features-you-should-be-aware-of) - [Keeping applications secure by evolving OAuth 2.0 and OpenID Connect](https://www.wearedevelopers.com/videos/100152-keeping-applications-secure-by-evolving-oauth-2-0-and-openid-connect) - [Build and Deploy a Fullstack App with Open Source Tooling](https://www.wearedevelopers.com/videos/775-build-and-deploy-a-fullstack-app-with-open-source-tooling) - [Coding for Good: Achieving social change with an app](https://www.wearedevelopers.com/videos/1645-coding-for-good-achieving-social-change-with-an-app) - [Meet Your New BFF: Backend to Frontend without the Duct Tape](https://www.wearedevelopers.com/videos/682-meet-your-new-bff-backend-to-frontend-without-the-duct-tape) - [Delay the AI Overlords: How OAuth and OpenFGA Can Keep Your AI Agents from Going Rogue](https://www.wearedevelopers.com/videos/1637-delay-the-ai-overlords-how-oauth-and-openfga-can-keep-your-ai-agents-from-going-rogue) ## Related Articles - [Fullstack Developer Salary UK](https://www.wearedevelopers.com/magazine/251-fullstack-developer-salary-uk) - [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [16 Best Free React UI Libraries in 2025](https://www.wearedevelopers.com/magazine/148-16-best-free-react-ui-libraries-in-2025) - [Frontend Developer Salary in The UK](https://www.wearedevelopers.com/magazine/233-frontend-developer-salary-in-the-uk) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)