1 to 25 of 46 MERN Stack Jobs in the UK

Senior Full Stack Developer (React, Node) Cognito is a fast-moving, AI-driven EdTech platform that helps students engage with high-quality learning content. Over 1 million students and 35,000 teachers use our platform, completing more than 500 million practice questions, with our content reaching millions more through … million YouTube views. Our platform is built using the MERN stack and hosted on AWS (S3, CloudFront, Elastic Beanstalk, CodePipeline) with MongoDB Atlas. We are expanding our team to include a talented Full Stack Developer who will work on a mix of production-level features, proof-of … us build dynamic, smart features that cater to the needs of students worldwide. Responsibilities: Developing new product features and enhancements using ReactJS, GraphQL and MongoDB Designing and implementing our extensive AI roadmap Participating in code reviews, troubleshooting bugs, and planning development tasks Contributing ideas to improve code quality, team practices More ❯

a QA Analyst/Engineer who's passionate about quality and excited to get hands-on with a modern tech stack (MERN - MongoDB, Express, React, Node.js). You'll be right in the thick of our product development process, helping ensure everything we build is as solid as More ❯

This is an exciting new opportunity with a cybersecurity business looking to hire multiple mid-level MERN Full Stack Engineers in permanent positions. For this role, you will be an SME in the MERN space, working on elevating the team and implementing new features across the business. … startup, ideally coming from a product/startup background with at least 3-4 years of experience in the MERN space. Required Skills: MongoDB Express NodeJS AWS Keen interest in cybersecurity - desirable Interviews will be taking place soon, so if you are interested, please apply today. Seniority level Entry More ❯

features as we strive for continuous improvement and accountability for our work. You will predominantly work on our core tech stack, including our React Native app, our NextJS website and our NodeJS backend, but there will be opportunity to learn about other parts of our ecosystem such as how … have worked across both the backend and frontend You have worked predominantly within the JavaScript ecosystem and have experience of some of the below: NodeJS React TypeScript React Native Jest Additional bonus - experience in: NoSQL databases/MongoDB NextJS End to end testing Who you are Passionate: You care about … changing startup environment Lifelong Learner: Continuously seeking knowledge And, for your interest, this is our all-JavaScript tech stack: TypeScript for static typing React Native for iOS and Android apps NodeJS + Express API servers MongoDB our main database NextJS for our web frontend Terraform for our IAC We More ❯

ve grown to more than 4 million community members and our growth isn't slowing down! The Role We're looking for a Full-Stack Engineer to help us scale TryHackMe to support millions of aspiring security practitioners to learn about cyber security. Your role will involve everything from … to ensure code quality and alignment with TryHackMe technical standards. Writing high-quality, maintainable code using modern programming languages and frameworks (e.g., JavaScript, Typescript, NodeJS, React ). Developing and maintaining databases and data models, as well as creating and optimizing queries. Monitoring and analyzing system performance to identify and resolve … engineering within a startup or scale-up SaaS environment. Experience leading a Software Engineering Team. Relevant hands-on experience with the following technologies: Git, NodeJS , CSS, HTML, jQuery, Javascript, React, Typescript , Redux, MongoDB , AWS - (MERN stack). Strong understanding of software architecture and design principles. Experience with continuous More ❯

to learn more. Base pay range This is an exciting new opportunity with a cybersecurity business who are looking to hire multiple mid-level MERN Full Stack Engineers in permanent positions. For this role, you will be an SME in the MERN space, working on elevating the … developer who is looking to take on a challenge in scaling this startup, ideally coming from a product/startup background yourself. Key Technologies MongoDB Express NodeJS Interviews will be taking place soon, so if you are interested, please apply today. Seniority level Entry level Employment type Full-time Job More ❯

client. Our client, a small London-based firm, is seeking JavaScript Developers with the following background: Around 1 year of commercial experience Functional JavaScript Node.js React/Redux Express A keen eye for detail Experience of Test-Driven Development (TDD) An understanding of the principles behind good software design In … interest or experience (Ethereum, Hyperledger Fabric & Corda) ES6/ES7 Dev Ops (Docker, AWS, Kubernetes, Rancher) Experience in GoLang Financial Services Experience Mongoose + MongoDB Agile/Scrum Experience Therefore, the client is looking for a JavaScript Node.js Developer with a background in blockchain technologies, experience in ES6/ES7 … and Dev Ops using tools like Docker, AWS, Kubernetes, and Rancher. The ideal candidate should also have commercial experience in Functional JavaScript, Node.js, React/Redux, Express, TDD, and an understanding of software design principles, with a keen eye for detail and experience in Agile/Scrum methodologies. #J More ❯

enthusiastic and energetic to play a key role in realising my clients goals. The new Tech Leader will manage & grow a team of full stack software engineers (MERN stack) whilst adopting relevant AI technologies to scale their SaaS platform. This is a unique opportunity work closely with … team and cultivate a positive & collaborative culture. Make architectural decisions and working hands-on when needed Utilise a strong understanding of modern web technologies – React, Nextjs, Node with GaphQL, MongoDB and AWS and managing Full Stack Engineers. Integrate AI tools to enhance user experience. Work closely with the Founder More ❯

and energetic to play a key role in realizing my client's goals. The new Tech Leader will manage & grow a team of full stack software engineers (MERN stack) whilst adopting relevant AI technologies to scale their SaaS platform. This is a unique opportunity to work closely … team and cultivate a positive & collaborative culture. Make architectural decisions and work hands-on when needed. Utilize a strong understanding of modern web technologies – React, Next.js, Node with GraphQL, MongoDB, and AWS while managing Full Stack Engineers. Integrate AI tools to enhance user experience. Work closely with the Founder More ❯

growing, tech-driven food company creating a fully integrated production and customer experience platform Role Overview We are looking for a mid-level Full-Stack Developer who loves shipping products fast and making a real-world impact. You'll be our first technical hire on the product team, working … for smart kitchen integrations (robotics data flow, IoT systems) Tech Stack We Expect You To Use Front-end: React.js/Webflow Back-end: Node.js (Express) Database: MongoDB or PostgreSQL or Xano Hosting: AWS, Heroku, or similar Bonus: Familiarity with hardware integration (APIs, sensors, IoT) is a plus Who You … Are 3–5 years of full-stack development experience You have start up experience and or experience working in small lean teams You ship fast — MVP mindset, iterate later You love working autonomously with full project ownership Comfortable jumping between customer-facing products and internal ops tools Strong problem More ❯

growing, tech-driven food company creating a fully integrated production and customer experience platform Role Overview We are looking for a mid-level Full-Stack Developer who loves shipping products fast and making a real-world impact. You'll be our first technical hire on the product team, working … for smart kitchen integrations (robotics data flow, IoT systems) Tech Stack We Expect You To Use Front-end: React.js/Webflow Back-end: Node.js (Express) Database: MongoDB or PostgreSQL or Xano Hosting: AWS, Heroku, or similar Bonus: Familiarity with hardware integration (APIs, sensors, IoT) is a plus Who You … Are 3–5 years of full-stack development experience You have start up experience and or experience working in small lean teams You ship fast — MVP mindset, iterate later You love working autonomously with full project ownership Comfortable jumping between customer-facing products and internal ops tools Strong problem More ❯

Equity-Based | Remote | Flexible Hours | Part-Time or full time. Are you a Senior Full-Stack Developer/software engineer looking for something more than just a job? Become the Co-Founder & CTO of E-hive, an AI-powered recruitment start-up that's reshaping how employers find talent … engineers, developers, CTOs, technical leads, etc., as long as you can build, as you will be the sole developer to start off with. Tech Stack (Flexible) Below are the technologies I think make sense for our MVP — but as CTO/Co-Founder, it's entirely your call. If … there's a better approach, you have full autonomy to choose the stack that works best. Frontend: React.js, Next.js, TypeScript, Tailwind CSS Backend: Node.js, Express, Python (FastAPI/Flask/Django) Database: PostgreSQL, MongoDB, Redis Cloud/Infra: AWS, GCP, Docker, GitHub Actions, CI/CD AI/NLP More ❯

practices and ensuring high-quality code. Design, develop, and maintain both front-end and back-end components of web and mobile applications using JavaScript, Node.js, and modern frameworks and libraries such as React, Angular, or Vue.js. Collaborate with architects and other developers to design robust, scalable, and secure architectures for … and innovation within the team. Your skills and experience Preferred Experience Proven experience in full stack JavaScript development, with a strong focus on Node.js and server-side development. Experience of at least one leading Node framework (Express.js, Nest.js, Hapi.js). Expertise in at least one modern front-end framework … such as Contentful. Experience of modern tooling such as Vite, Vitest. Familiarity with microservices architecture and API development (REST, GraphQL). Working with NoSQL MongoDB or SQL databases such as Postgres. Experience with mobile app development using React Native. Knowledge of UI component libraries like Material UI, and tools such More ❯

developers, guiding them in best practices and delivering high-quality code. Design, develop, and maintain both front-end and back-end components using JavaScript, Node.js, and modern frameworks such as React, Angular, or Vue.js. Collaborate closely with architects and other developers to design robust and scalable architectures for new and … team. Your Skills & Experience: Proven experience in full stack JavaScript development, particularly with Node.js. Expertise in at least one modern front-end framework (React, Angular, Vue.js, etc.). Experience with server-side frameworks like Express.js, Nest.js, or Hapi.js. Proficiency in HTML5, CSS3, and ES6+ JavaScript. Experience with TypeScript and … or Behaviour Driven Development. Strong communication and teamwork skills. Desirable Experience: Familiarity with headless CMS platforms like Contentful. Experience in mobile app development using React Native. Knowledge of UI component libraries like Material UI, Figma, and Storybook. Experience with microservices architecture and API development (REST, GraphQL). Experience working with More ❯

developers, guiding them in best practices and delivering high-quality code. Design, develop, and maintain both front-end and back-end components using JavaScript, Node.js, and modern frameworks such as React, Angular, or Vue.js. Collaborate closely with architects and other developers to design robust and scalable architectures for new and … team. Your Skills & Experience: Proven experience in full stack JavaScript development, particularly with Node.js. Expertise in at least one modern front-end framework (React, Angular, Vue.js, etc.). Experience with server-side frameworks like Express.js, Nest.js, or Hapi.js. Proficiency in HTML5, CSS3, and ES6+ JavaScript. Experience with TypeScript and … or Behaviour Driven Development. Strong communication and teamwork skills. Desirable Experience: Familiarity with headless CMS platforms like Contentful. Experience in mobile app development using React Native. Knowledge of UI component libraries like Material UI, Figma, and Storybook. Experience with microservices architecture and API development (REST, GraphQL). Experience working with More ❯

developers, guiding them in best practices and delivering high-quality code. Design, develop, and maintain both front-end and back-end components using JavaScript, Node.js, and modern frameworks such as React, Angular, or Vue.js. Collaborate closely with architects and other developers to design robust and scalable architectures for new and … team. Your Skills & Experience: Proven experience in full stack JavaScript development, particularly with Node.js. Expertise in at least one modern front-end framework (React, Angular, Vue.js, etc.). Experience with server-side frameworks like Express.js, Nest.js, or Hapi.js. Proficiency in HTML5, CSS3, and ES6+ JavaScript. Experience with TypeScript and … or Behaviour Driven Development. Strong communication and teamwork skills. Desirable Experience: Familiarity with headless CMS platforms like Contentful. Experience in mobile app development using React Native. Knowledge of UI component libraries like Material UI, Figma, and Storybook. Experience with microservices architecture and API development (REST, GraphQL). Experience working with More ❯

developers, guiding them in best practices and delivering high-quality code. Design, develop, and maintain both front-end and back-end components using JavaScript, Node.js, and modern frameworks such as React, Angular, or Vue.js. Collaborate closely with architects and other developers to design robust and scalable architectures for new and … team. Your Skills & Experience: Proven experience in full stack JavaScript development, particularly with Node.js. Expertise in at least one modern front-end framework (React, Angular, Vue.js, etc.). Experience with server-side frameworks like Express.js, Nest.js, or Hapi.js. Proficiency in HTML5, CSS3, and ES6+ JavaScript. Experience with TypeScript and … or Behaviour Driven Development. Strong communication and teamwork skills. Desirable Experience: Familiarity with headless CMS platforms like Contentful. Experience in mobile app development using React Native. Knowledge of UI component libraries like Material UI, Figma, and Storybook. Experience with microservices architecture and API development (REST, GraphQL). Experience working with More ❯

Full Stack Engineer - Hybrid - Reading (2 days in Reading p/w) Javascript/Typescript/Python/C# **This role requires a minimum of 3 years commercial experience** measurable.energy is dedicated to creating innovative energy solutions. Our mission is to eliminate all wasted energy in buildings, significantly reducing … full stack web applications. Build and maintain robust and scalable REST APIs and back-end services. Develop responsive and interactive user interfaces using React or Svelte. Write clean, maintainable, efficient and well-documented code. Debug and resolve application issues, and continuously improve performance and reliability. Write performant queries and … ceremonies. Collaborate with product managers and other developers to deliver value-driven features. Must-Have Skills Strong knowledge of JavaScript and TypeScript Proficiency in Node.js/Express or Python/Django Experience with React or Svelte Working knowledge of relational databases like PostgreSQL Experience with Git and CI/CD More ❯

code reviews, and testing. Contribute to agile practices using Azure DevOps. Improve onboarding by maintaining clear, helpful documentation. Skills & Experience: Knowledge of TypeScript, JavaScript, React, Next.js, Node.js (Fastify, Express). Familiarity with API testing tools (Postman, Bruno) and databases (Oracle, MongoDB). Experience with Git, CI/CD pipelines (eg More ❯

level professionals looking to elevate their careers. Contract Details Duration: 3-6 months, with potential for extension Experience Required: Minimum five years in Typescript, Express and Node.js Employment Type: Full-time Location: Hybrid (London) or Fully Remote Compensation: Competitive, based on experience Additional Benefits: Access to our community, senior mentors … Contribute to writing documentation and implementing tests. Collaborate with a team of skilled software engineers. Effective communication and keen attention to detail. Required Skills NodeJS and Javascript (5+ years) Strong Experience with Express, Redux and TypeScript (3 yrs+) React (2 yrs) Proficiency in Next.js (preferred), modern JavaScript APIs, SCSS, and … integration (both internal and external) Good experience with AWS microservices Proficiency in Git Desirable Skills Serverless architecture and microservice design Automated testing NoSQL databases (MongoDB/Amazon DocumentDB) Experience with Docker Agile methodologies (Scrum, Kanban, CI/CD) Join Us This is a unique opportunity to join a dynamic team More ❯

with over 90 airlines, 20 hotel groups and more than 600 financial institutions and banks, with clients including Accor Hotels, Air France KLM, American Express, British Airways, Cathay Pacific, Diners Club, Mandarin Oriental, Mastercard, Radisson Hotel Group, Sephora, Visa and Vhi. We take our 30 years’ experience working with these … mentoring engineering teams Strong technical experience leading the design and development of complex software systems Knowledge of multiple front-end and back-end languages (Node.js, React, Next.js, Typescript, JavaScript, HTML, CSS) and their libraries Familiarity with RESTful APIs and GraphQL Familiarity with database technologies such as PostgreSQL, Redis, and MongoDB More ❯

with a background/understanding of software development. Essential experience: Strong DevOps knowledge working with CI/CD, Docker, Kubernetes etc Knowledge of full-stack programming, ideally JavaScript/TypeScript. The company use the MERN stack Agile methodologies Desired experience: Monorepo architecture tools (NX) Automation/Build More ❯

to maximize our productivity Your mission In this role, your mission will be to enhance and scale the backend systems powering the Mimica platform ( MERN stack). This means designing and implementing a scalable architecture, developing and optimizing backend services and APIs, improving the performance and reliability of … service that enables multiple users to edit graph data and re-train AI models through their input. Creating libraries and building APIs in our Node.js backend to interact with the various ML components of the system. Diagnosing fault-tolerance and availability issues, as well as performance bottlenecks, and resolving them. … modern frameworks and technologies (e.g., Docker, K8s) to build high-throughput, low-latency systems. Practical experience in designing APIs and managing databases (e.g., PostgreSQL, MongoDB), with a keen eye for query optimization and efficient data storage & handling. Firm grasp of distributed systems concepts and techniques - microservices, load balancing, caching, horizontal More ❯

to maximize our productivity Your mission In this role, your mission will be to enhance and scale the backend systems powering the Mimica platform ( MERN stack). This means designing and implementing a scalable architecture, developing and optimizing backend services and APIs, improving the performance and reliability of … service that enables multiple users to edit graph data and re-train AI models through their input. Creating libraries and building APIs in our Node.js backend to interact with the various ML components of the system. Diagnosing fault-tolerance and availability issues, as well as performance bottlenecks, and resolving them. … modern frameworks and technologies (e.g., Docker, K8s) to build high-throughput, low-latency systems. Practical experience in designing APIs and managing databases (e.g., PostgreSQL, MongoDB), with a keen eye for query optimization and efficient data storage & handling. Firm grasp of distributed systems concepts and techniques – microservices, load balancing, caching, horizontal More ❯

with a background/understanding of software development. Essential experience: Strong DevOps knowledge working with CI/CD, Docker, Kubernetes etc Knowledge of full-stack programming, ideally JavaScript/TypeScript. The company use the MERN stack Agile methodologies Desired experience: Monorepo architecture tools (NX) Automation/Build More ❯