12 of 12 MERN Stack Jobs in London

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 ❯

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 ❯

London 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 looking for a Developer to lead on the technical front, opposed to team leadership. This is well suited to … benefits Requirements for Lead Application Software Developer Several years of commercial experience within a Software Engineer/Developer role Experience with JavaScript and ideally, node.js and related technologies/frameworks Experience working for a company where SaaS has been implemented in commercial organisations This company values a history of academic … 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 What the role offers: The chance to work on a diverse toolset of cutting-edge tech Working for a leading software company More ❯

London 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 looking for a Developer to lead on the technical front, opposed to team leadership. This is well suited to … benefits Requirements for Lead Application Software Developer Several years of commercial experience within a Software Engineer/Developer role Experience with JavaScript and ideally, node.js and related technologies/frameworks Experience working for a company where SaaS has been implemented in commercial organisations This company values a history of academic … 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 What the role offers: The chance to work on a diverse toolset of cutting-edge tech Working for a leading software company 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 ❯

Full Stack Developer – HealthTech Startup – Fully Remote – 6-Month Contract I’m currently partnering with a fast-growing HealthTech startup on the lookout for a Full Stack Developer to help build out a greenfield platform that’s reimagining how patients connect with healthcare providers. This is a fully … ideal for developers who thrive in fast-paced environments and want to work on meaningful, real-world applications in the healthcare space. Role: Full Stack Developer Rate: £500–£550 per … day (Outside IR35) Location: Fully Remote Duration: Initial 6-month contract (likely extension) Tech Stack: Frontend: React.js (with Redux or Context API) Backend: Node.js (Express.js) Database: MongoDB or PostgreSQL Extras: Socket.IO, Google Calendar API, Twilio, SendGrid Project Overview: You’ll be joining a small, agile team to deliver a More ❯

Full Stack Developer – HealthTech Startup – Fully Remote – 6-Month Contract I’m currently partnering with a fast-growing HealthTech startup on the lookout for a Full Stack Developer to help build out a greenfield platform that’s reimagining how patients connect with healthcare providers. This is a fully … ideal for developers who thrive in fast-paced environments and want to work on meaningful, real-world applications in the healthcare space. Role: Full Stack Developer Rate: £500–£550 per … day (Outside IR35) Location: Fully Remote Duration: Initial 6-month contract (likely extension) Tech Stack: Frontend: React.js (with Redux or Context API) Backend: Node.js (Express.js) Database: MongoDB or PostgreSQL Extras: Socket.IO, Google Calendar API, Twilio, SendGrid Project Overview: You’ll be joining a small, agile team to deliver a 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 ❯

creating powerful dapps and cryptocurrencies for startups and medium-level enterprises. Our in-house team of software engineers are experts in the MEAN and MERN technology stack and are up to date with all that is new and modern in the industry. We have worked with popular crypto … Binance Smart Chain. We pride ourselves on being the perfect solution to all your blockchain/cryptocurrency needs. Role Description: Backend pro efficient in Node.js or Golang Blockchain expert (Solidity, Rust) Good knowledge of cryptography Must have solid understanding of hashing and encryption algorithms Efficient knowledge of SNARKs, proofs generation … Multiple years of experience designing, developing, and implementing distributed systems with a focus on blockchain technologies Proficient in programming languages like Go, Python, and Node.js Strong understanding of blockchain architecture and consensus algorithms Experience in cloud platforms, like AWS and Azure Familiarity with smart contracts and Solidity programming is a More ❯