1 to 25 of 28 MERN Stack Jobs in the UK

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 ❯

a hands-off coding leadership role—but you'll still do code reviews , architecture planning, and guide technical decisions. Tech Stack MERN : MongoDB, Express (Java), React, Node.js Simple and scalable Focused on speed, stability, and continuous improvement About You Experience in fullstack engineering work Leadership experience Have scaled … platforms in startups or early-stage companies MERN experience strongly preferred Naturally curious, sparky, and collaborative Strong communicator and mentor Passionate about education and product vision What You'll Be Doing Drive platform scalability and performance Lead and grow the engineering team Set tech vision in line with business 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 ❯

will have the following skills and experience: Full Stack/Engineering leadership experience Scale up/Start up experience Experience in MERN: MongoDB, Express.js, React, Node.js THE BENEFITS: You will receive a salary, dependent on experience. Salary is up to £150,000 On top of the salary there More ❯

will have the following skills and experience: Full Stack/Engineering leadership experience Scale up/Start up experience Experience in MERN: MongoDB, Express.js, React, Node.js THE BENEFITS: You will receive a salary, dependent on experience. Salary is up to £150,000 On top of the salary there More ❯

will have the following skills and experience: Full Stack/Engineering leadership experience Scale up/Start up experience Experience in MERN: MongoDB, Express.js, React, Node.js THE BENEFITS: You will receive a salary, dependent on experience. Salary is up to £150,000 On top of the salary there More ❯

Cambridge offering the opportunity to work on a wide variety of web application infrastructure projects using a diverse toolset, with an emphasis on JavaScript, Node.js and related frameworks. This role is open to both Graduates through to Lead Developers, as we are recruiting for more than one hire. Location – Cambridge … be for new graduate level – up to £100k for Lead) Requirements for Application Software Engineer – 2+ years of commercial experience using JavaScript and ideally, node.js and related technologies/frameworks History of academic excellence including a 2:1 or 1st class honours degree from a leading university plus AAB at … opportunities to work across the stack. The current tech stack includes: Web (UI): JavaScript (backbone.js, d3.js, three.js, pdf.js), Less/CSS Web (Backend): Node.js, PostgreSQL, Elasticsearch, Redis Develop, deploy and maintain web application infrastructure Be a tech innovator and put ideas forward to the team If you are keen More ❯

Cambridge offering the opportunity to work on a wide variety of web application infrastructure projects using a diverse toolset, with an emphasis on JavaScript, Node.js and related frameworks. This role is open to both Graduates through to Lead Developers, as we are recruiting for more than one hire. Location – Cambridge … be for new graduate level – up to £100k for Lead) Requirements for Application Software Engineer – 2+ years of commercial experience using JavaScript and ideally, node.js and related technologies/frameworks History of academic excellence including a 2:1 or 1st class honours degree from a leading university plus AAB at … opportunities to work across the stack. The current tech stack includes: Web (UI): JavaScript (backbone.js, d3.js, three.js, pdf.js), Less/CSS Web (Backend): Node.js, PostgreSQL, Elasticsearch, Redis Develop, deploy and maintain web application infrastructure Be a tech innovator and put ideas forward to the team If you are keen More ❯

Cambridge offering the opportunity to work on a wide variety of web application infrastructure projects using a diverse toolset, with an emphasis on JavaScript, Node.js and related frameworks. This role is open to both Graduates through to Lead Developers, as we are recruiting for more than one hire. Location – Cambridge … be for new graduate level – up to £100k for Lead) Requirements for Application Software Engineer – 2+ years of commercial experience using JavaScript and ideally, node.js and related technologies/frameworks History of academic excellence including a 2:1 or 1st class honours degree from a leading university plus AAB at … opportunities to work across the stack. The current tech stack includes: Web (UI): JavaScript (backbone.js, d3.js, three.js, pdf.js), Less/CSS Web (Backend): Node.js, PostgreSQL, Elasticsearch, Redis Develop, deploy and maintain web application infrastructure Be a tech innovator and put ideas forward to the team If you are keen 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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

and target-driven culture and continuously invest in each individual. The Role Our Technology team is growing! We're looking for a Senior Full Stack Engineer to help rapidly grow our technology platform to deliver our ambitious business growth. In this role you will take ownership of both front … to other engineers, ensuring code quality through reviews and best practices. Design and implement responsive, user-friendly web interfaces using modern JavaScript frameworks (Next.js, React). Collaborate with UX/UI designers to turn designs into functional, intuitive interfaces. About You: Expertise in JavaScript frameworks like React, Vue.js, or Angular … with proficiency in HTML, CSS, and responsive design principles. Strong experience with Node.js, Express.js, and building RESTful APIs or microservices. Proficiency in working with both SQL (PostgreSQL, MySQL) and NoSQL (MongoDB) databases. CI/CD & DevOps: Experience with integrating automated tests into CI/CD pipelines (e.g., Jenkins, CircleCI, GitLab More ❯

we strive for Have experience of Node development in a fast moving, agile environment Have excellent full stack development skills in JavaScript, TypeScript, React, and Node.js with a good understanding of how to write high performance, efficient code Have a strong ability to understand business requirements and turn this … code is robust and reliable. Knowledge of continuous integration Have excellent trouble shooting and problem-solving skills Have experience of document-based databases, specifically MongoDB Have experience of Amazon Web Services, including Lambda, SQS and SNS and knowledge of Serverless environments Have strong communication skills and the ability to express More ❯

we strive for Have experience of Node development in a fast moving, agile environment Have excellent full stack development skills in JavaScript, TypeScript, React, and Node.js with a good understanding of how to write high performance, efficient code Have a strong ability to understand business requirements and turn this … code is robust and reliable. Knowledge of continuous integration Have excellent trouble shooting and problem-solving skills Have experience of document-based databases, specifically MongoDB Have experience of Amazon Web Services, including Lambda, SQS and SNS and knowledge of Serverless environments Have strong communication skills and the ability to express More ❯

we strive for Have experience of Node development in a fast moving, agile environment Have excellent full stack development skills in JavaScript, TypeScript, React, and Node.js with a good understanding of how to write high performance, efficient code Have a strong ability to understand business requirements and turn this … code is robust and reliable. Knowledge of continuous integration Have excellent trouble shooting and problem-solving skills Have experience of document-based databases, specifically MongoDB Have experience of Amazon Web Services, including Lambda, SQS and SNS and knowledge of Serverless environments Have strong communication skills and the ability to express More ❯

Full-Stack Software Developer Position (UK) London, United Kingdom Type: Full-Time (hybrid - min. 3 days per week in office) Longevity Partners is a multi-disciplinary energy and sustainability consultancy. Established in 2015 to support the transition to a low carbon economy in the UK, Europe and worldwide, we … development of user interfaces using (for example) React.js, TypeScript, and/or Tailwind CSS. Help implement backend services using Python (Django/FastAPI) and Node.js with Express. Support database development and maintenance with PostgreSQL/MySQL and an understanding of NoSQL databases such as MongoDB/DynamoDB. Assist with the … Skills: A passion for software development and eagerness to learn new technologies and practices. Familiarity with backend development, including Python (Django/FastAPI) or Node.js with Express. Basic understanding of databases such as PostgreSQL, MySQL, and NoSQL databases like MongoDB. Familiarity with cloud platforms such as AWS or Azure is More ❯

energetic and target-driven culture and continuously invest in each individual. The Role Our Technology team is growing! We’re looking for a Full Stack Technical Lead to help rapidly grow our technology platform to deliver our ambitious business growth. In this role you will take ownership of both … to other engineers, ensuring code quality through reviews and best practices. Design and implement responsive, user-friendly web interfaces using modern JavaScript frameworks (Next.js, React). Collaborate with UX/UI designers to turn designs into functional, intuitive interfaces. Optimise front-end performance, ensuring smooth, fast, and reliable user experiences … across devices. About You: Expertise in JavaScript frameworks like React, Vue.js, or Angular, with proficiency in HTML, CSS, and responsive design principles. Strong experience with Node.js, Express.js, and building RESTful APIs or microservices. Proficiency in working with both SQL (PostgreSQL, MySQL) and NoSQL (MongoDB) databases. CI/CD & DevOps: Experience More ❯

energetic and target-driven culture and continuously invest in each individual. The Role Our Technology team is growing! We’re looking for a Full Stack Technical Lead to help rapidly grow our technology platform to deliver our ambitious business growth. In this role you will take ownership of both … to other engineers, ensuring code quality through reviews and best practices. Design and implement responsive, user-friendly web interfaces using modern JavaScript frameworks (Next.js, React). Collaborate with UX/UI designers to turn designs into functional, intuitive interfaces. Optimise front-end performance, ensuring smooth, fast, and reliable user experiences … across devices. About You: Expertise in JavaScript frameworks like React, Vue.js, or Angular, with proficiency in HTML, CSS, and responsive design principles. Strong experience with Node.js, Express.js, and building RESTful APIs or microservices. Proficiency in working with both SQL (PostgreSQL, MySQL) and NoSQL (MongoDB) databases. CI/CD & DevOps: Experience More ❯