24 of 24 JavaScript Developer Jobs in London

Full Stack JavaScript Developer/Engineer (JavaScript Vue.js Node) London to £80k Are you a collaborative JavaScript technologist? You could be progressing your career as a Full Stack JavaScript Developer at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and route optimisation, streamlining processes … and partnership with Octopus Electric Vehicles and Evans Cycle to Work scheme, there's showers and towels if you do decide to cycle! Your role: As a Full Stack JavaScript Developer you'll collaborate as part of an Agile technology team to design and develop, troubleshoot and solve complex software issues to help scale and future proof the … business. You'll work across the full tech stack using JavaScript and Vue.js on the front end, there's a range of other tech in the stack (TypeScript, Node.js, Java, Python and of course a bit of legacy PHP!), you'll be encouraged to explore new technologies and use the best tool for the job as well as own More ❯

Senior JavaScript Developer 3-4 days p/week in London Paying up to £80k Senior JavaScript Developer – Would you like the opportunity to work for a fast growing start-up who are on a mission to create an AI tutor to help learners? They’re currently building an all-in-one platform for aiding students … to achieve their full potential. AI is at the heart of everything they do, from their products to the way they work as a team. As a Senior JavaScript Developer, you will be joining a small team, where you will build, scale, and maintain high-quality fullstack applications while collaborating closely with product and design to deliver end … and AI. Key requirements: 5+ years of fullstack development experience. Strong skills in React, TypeScript Node AWS Experience integrating AI/ML via APIs If you’re a Senior JavaScript Developer who enjoys the idea of working in an EdTech Start-up, please apply. More ❯

Senior JavaScript Developer 3-4 days p/week in London Paying up to £80k Senior JavaScript Developer – Would you like the opportunity to work for a fast growing start-up who are on a mission to create an AI tutor to help learners? They’re currently building an all-in-one platform for aiding students … to achieve their full potential. AI is at the heart of everything they do, from their products to the way they work as a team. As a Senior JavaScript Developer, you will be joining a small team, where you will build, scale, and maintain high-quality fullstack applications while collaborating closely with product and design to deliver end … and AI. Key requirements: 5+ years of fullstack development experience. Strong skills in React, TypeScript Node AWS Experience integrating AI/ML via APIs If you’re a Senior JavaScript Developer who enjoys the idea of working in an EdTech Start-up, please apply. More ❯

Javascript Developer UI – React, Typescript, Java - FinTech Remote First | London (UK) | Up to £115k + Benefits Are you a Javascript developer who thrives in a collaborative, test-driven environment? Do you believe in pair programming, continuous integration, and clean, maintainable code? If so, we’d love to hear from you. Our FinTech client could be the More ❯

Javascript Developer UI – React, Typescript, Java - FinTech Remote First | London (UK) | Up to £115k + Benefits Are you a Javascript developer who thrives in a collaborative, test-driven environment? Do you believe in pair programming, continuous integration, and clean, maintainable code? If so, we’d love to hear from you. Our FinTech client could be the More ❯

Full Stack Python/JavaScript Developer - London - £60k 1 day per week in office My prestigious financial services client is looking to expand their digital transformation team and require an experienced Full Stack Developer with strong Python & JavaScript to join them working across a range of new initiatives Core skills across Python and JavaScript with … ownership of projects, from requirement gathering through to deployment - Mentor junior developers to support their technical growth. Skills & Experience: - Minimum of 3 years of experience as a full-stack developer across: Backend: Python, Django Frontend: JavaScript, React, Next.js Version Control: Git Beneficial Knowledge: - Azure - AI Full Stack Python/JavaScript Developer - London - £60k 1 day per More ❯

Full Stack Python/JavaScript Developer - London - £60k 1 day per week in office My prestigious financial services client is looking to expand their digital transformation team and require an experienced Full Stack Developer with strong Python & JavaScript to join them working across a range of new initiatives Core skills across Python and JavaScript with … ownership of projects, from requirement gathering through to deployment - Mentor junior developers to support their technical growth. Skills & Experience: - Minimum of 3 years of experience as a full-stack developer across: Backend: Python, Django Frontend: JavaScript, React, Next.js Version Control: Git Beneficial Knowledge: - Azure - AI Full Stack Python/JavaScript Developer - London - £60k 1 day per More ❯

Are you an experienced JavaScript Developer with a passion for building solutions that power the utilities sector? One of my clients are hiring on a contract basis to help deliver technology that keeps the UK’s essential services running smoothly. What You’ll Do: Develop and maintain scalable web applications for utility clients Work with modern JavaScript … platforms (AWS, Azure, or GCP) Collaborate remotely with cross-functional teams (Product, UX, Data) Contribute to best practices and technical decisions What We’re Looking For: Strong experience with JavaScript (ES6+) Proficiency in React, Node.js, or similar frameworks Experience in the utilities sector is a plus Solid understanding of REST APIs and cloud environments Agile team experience and excellent More ❯

Are you an experienced JavaScript Developer with a passion for building solutions that power the utilities sector? One of my clients are hiring on a contract basis to help deliver technology that keeps the UK’s essential services running smoothly. What You’ll Do: Develop and maintain scalable web applications for utility clients Work with modern JavaScript … platforms (AWS, Azure, or GCP) Collaborate remotely with cross-functional teams (Product, UX, Data) Contribute to best practices and technical decisions What We’re Looking For: Strong experience with JavaScript (ES6+) Proficiency in React, Node.js, or similar frameworks Experience in the utilities sector is a plus Solid understanding of REST APIs and cloud environments Agile team experience and excellent More ❯

Global financial technology company is seeking a passionate Graduate JavaScript Developer with a strong interest in DeFi to join their high-performance UK Development Team. You'll work at the core of an industry-leading exchange and institutional digital asset custodian, building ultra-low latency systems and delivering rapid prototypes for new DeFi initiatives. What You'll Do … Develop full stack applications and prototypes using JavaScript/TypeScript. Contribute to DeFi-focused product discovery and hands-on development (staking, stablecoins, tokenisation). Work across a modern tech stack including Java, MySQL, Kafka, Vue.js, Kubernetes, AWS and more. What We're Looking For Degree in Computer Science, Math, Physical Sciences, or similar. Strong interest in DeFi and the … evolving digital asset ecosystem. Solid TypeScript/JavaScript skills, including testing frameworks (Vitest, Jest). Good understanding of secure coding principles and clean, maintainable code. Handle actively welcomes applicants from under-represented backgrounds - we pride ourselves on attracting the best talent for every opportunity through a commitment to equality, diversity and inclusion. More ❯

Graduate/Junior Developer, Python, JavaScript, PHP - London (Tech stack: Graduate/Junior Developer, Python, JavaScript, PHP, Graduate/Junior Developer) In 2012 our client launched a social messaging platform that has been taking the US by storm. After an extremely successful period our client has decided to hop across the Atlantic, in a bid … the UK and European markets. A number of new offices are being opened in the UK and our client is looking for talented, enthusiastic and passionate Graduate/Junior Developer to bring their product to these new markets and help enhance this already successful company! These roles would be suitable Graduate/Junior Developer who have recently graduated … from university and have a basic understanding of any of the following technologies: Python, JavaScript, PHP, React, React Native, Django, Postgres, Docker and Agile; which might have been acquired as part of your degree course or through a placement year in industry. All Graduate/Junior Developer positions come with the following benefits: 30 days holiday (plus More ❯

JavaScript Engineer Salary: Up to £85k Location: 3 days p/week in London (opportunity to work outside the UK for 2 months) JavaScript Engineer - would you like the opportunity to join an early-stage start-up currently seeking a JavaScript Engineer? You will be joining a small technology team who have a passion for innovation, collaboration … and providing the best service to their customers as well as embracing new ideas, technologies and approaches. As a JavaScript Engineer, you will be joining the organisation at one of the most exciting times. The ideal candidate is motivated by real ownership and self-direction, as well as being part of a journey. Requirements: Fullstack JavaScript and AWS More ❯

JavaScript Engineer Salary: Up to £85k Location: 3 days p/week in London (opportunity to work outside the UK for 2 months) JavaScript Engineer - would you like the opportunity to join an early-stage start-up currently seeking a JavaScript Engineer? You will be joining a small technology team who have a passion for innovation, collaboration … and providing the best service to their customers as well as embracing new ideas, technologies and approaches. As a JavaScript Engineer, you will be joining the organisation at one of the most exciting times. The ideal candidate is motivated by real ownership and self-direction, as well as being part of a journey. Requirements: Fullstack JavaScript and AWS More ❯

Full Stack Developer (React/Node) – Contract – Remote – £500-£600/pd Outside IR35 – 6 months (likely 12 months) I’m working with a consultancy who are looking to hire a Full Stack Developer (React/Node) (SC Cleared) on a contract basis for an initial 6-month assignment, expected to extend to 12 months. The role is … fully remote, supporting a major central government project. Skills required: Strong React front-end development (TypeScript/JavaScript) Node.js back-end development AWS cloud platform experience Proven delivery within secure or government environments Active SC Clearance (essential) This role has a straightforward interview process with immediate start dates available. Full Stack Developer (React/Node) – Contract – Remote More ❯

Full Stack Developer (React/Node) – Contract – Remote – £500-£600/pd Outside IR35 – 6 months (likely 12 months) I’m working with a consultancy who are looking to hire a Full Stack Developer (React/Node) (SC Cleared) on a contract basis for an initial 6-month assignment, expected to extend to 12 months. The role is … fully remote, supporting a major central government project. Skills required: Strong React front-end development (TypeScript/JavaScript) Node.js back-end development AWS cloud platform experience Proven delivery within secure or government environments Active SC Clearance (essential) This role has a straightforward interview process with immediate start dates available. Full Stack Developer (React/Node) – Contract – Remote More ❯

Node.js/TypeScript Developer (Backend-Focused) 💰 £60,000 - £90,000 | 🏠 Hybrid (4 days remote) | 📍 London We’re supporting a purpose-driven tech company operating at the intersection of data, software, and healthcare, a business using technology to drive better health outcomes on a global scale. They’re now looking for a Node Developer (Backend) who’s excited by More ❯

Senior Software Engineer - Full Stack - TypeScript, Node React, AWS, Serverless, DynamoDB - Energy & Utilities Cleantech SaaS Location: Hybrid/Remote - London (flexibility available) Salary: Up to £80,000 About the Company This role is with, in our opinion, one of the More ❯

Senior Software Engineer - Full Stack - TypeScript, Node React, AWS, Serverless, DynamoDB - Energy & Utilities Cleantech SaaS Location: Hybrid/Remote - London (flexibility available) Salary: Up to £80,000 About the Company This role is with, in our opinion, one of the More ❯

NGOs, Factal's products include a web platform, mobile app and data products that are sold on an annual basis. About this role: Factal is seeking a full-time Developer to join our Seattle-based technology team (remote US/UK resident candidates welcome). Your role would be developing interactive interfaces for our users, as well as internal … to working on X/Twitter, Facebook, Maps apps, and News apps), as well as administrative interfaces that need good design thinking and smart execution. The ability to code Javascript and Python/Django at least an intermediate level is a requirement. The ideal candidate: Has experience developing a complex web application/interface using combination of Javascript More ❯

the multibillion-dollar diversified CKA Birla Group, Birlasoft with its 12,000+ professionals, is committed to continuing the Group’s 170-year heritage of building sustainable communities. React JS Developer Onsite London UK Fulltime role : JOB DESCRIPTION • Help build on the eSign environment in React • Implement a framework • Help use this for new applications across Motor and other applications More ❯

the multibillion-dollar diversified CKA Birla Group, Birlasoft with its 12,000+ professionals, is committed to continuing the Group’s 170-year heritage of building sustainable communities. React JS Developer Onsite London UK Fulltime role : JOB DESCRIPTION • Help build on the eSign environment in React • Implement a framework • Help use this for new applications across Motor and other applications More ❯

My client is an emerging AI startup focused on building advanced, user friendly technology that helps organisations work more efficiently and make better informed decisions. They are well funded, revenue generating and entering an exciting growth phase with strong investor More ❯

My client is an emerging AI startup focused on building advanced, user friendly technology that helps organisations work more efficiently and make better informed decisions. They are well funded, revenue generating and entering an exciting growth phase with strong investor More ❯

I am working with a consultancy feeding into the public sector who need 2x Senior NodeJS developers to join a 6 month project. Inside IR35Remote (1x every 6 weeks to London/Manchester/Newcastle office)SC eligible Around £500 More ❯