1 to 25 of 44 JavaScript Engineer Jobs in London

Senior JavaScript Engineer/Developer (Vue.js API) London to £100k Do you have expertise with JavaScript? You could be progressing your career in a senior, hands-on Senior JavaScript Engineer role at a scale-up tech company, that enables smart matching for commercial van drivers … of £125 million. You'll be working on complex and interesting systems and can enjoy a range of benefits and perks. As a Senior JavaScript Engineer 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 focus on front end components using JavaScript and Vue.js, 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 More ❯

Senior JavaScript Engineer/Developer (Vue.js API) London to £100k Do you have expertise with JavaScript? You could be progressing your career in a senior, hands-on Senior JavaScript Engineer role at a scale-up tech company, that enables smart matching for commercial van drivers … of £125 million. You'll be working on complex and interesting systems and can enjoy a range of benefits and perks. As a Senior JavaScript Engineer 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 focus on front end components using JavaScript and Vue.js, 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 More ❯

Senior JavaScript Engineer/Developer (Vue.js API) London to £100k Do you have expertise with JavaScript? You could be progressing your career in a senior, hands-on Senior JavaScript Engineer role at a scale-up tech company, that enables smart matching for commercial van drivers … of £125 million. You'll be working on complex and interesting systems and can enjoy a range of benefits and perks. As a Senior JavaScript Engineer 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 focus on front end components using JavaScript and Vue.js, 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 More ❯

Senior JavaScript Engineer/Developer (Vue.js API) London to £100k Do you have expertise with JavaScript? You could be progressing your career in a senior, hands-on Senior JavaScript Engineer role at a scale-up tech company, that enables smart matching for commercial van drivers … of £125 million. You'll be working on complex and interesting systems and can enjoy a range of benefits and perks. As a Senior JavaScript Engineer 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 focus on front end components using JavaScript and Vue.js, 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 More ❯

Senior Javascript Engineer - TDD/XP - £540 per day outside IR35 Senior Javascript Engineer, with strong XP and TDD experience, is now required by an eCommerce client with a search for a contract to support with the delivery of their innovative web applications. They are searching More ❯

Senior JavaScript Engineer/Developer (Vue.js API) London to £100k Want to make an application Make sure your CV is up to date, then read the following job specs carefully before applying. Do you have expertise with JavaScript? You could be progressing your career in a senior … hands-on Senior JavaScript Engineer role 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 delivering CO2 carbon neutral targets,... JBLK1_UKTJ More ❯

Job Description Senior JavaScript Engineer | £110,000 | TypeScript | Node | Vauxhall | Hybrid (3 days in-office, 2 days remote) Join a Series B scale-up with a SaaS/Marketplace platform that is well-known to many as a Senior JavaScript Engineer and work on critical services More ❯

Staff to Principal JavaScript Engineer | £110,000–£150,000 + Equity | TypeScript | React | Node.js | Hybrid (3 Days in Victoria) A high-growth, VC-backed SaaS startup is redefining how modern businesses manage spend—streamlining everything from software requests to supplier approvals. With enterprise customers already onboard and 10x … user experiences, and solving real customer problems Have a history of excellence in any domain—tech, academia, sport, or side projects 💸 Compensation & Equity Senior Engineer £90,000 - £110,000 Staff Engineer : £110,000 – £135,000 Principal Engineer : £135,000 – £150,000 Equity Options ✨ Benefits Hybrid working More ❯

Staff to Principal JavaScript Engineer | £110,000–£150,000 + Equity | TypeScript | React | Node.js | Hybrid (3 Days in Victoria) A high-growth, VC-backed SaaS startup is redefining how modern businesses manage spend—streamlining everything from software requests to supplier approvals. With enterprise customers already onboard and 10x … user experiences, and solving real customer problems Have a history of excellence in any domain—tech, academia, sport, or side projects 💸 Compensation & Equity Senior Engineer £90,000 - £110,000 Staff Engineer : £110,000 – £135,000 Principal Engineer : £135,000 – £150,000 Equity Options ✨ Benefits Hybrid working More ❯

Staff to Principal JavaScript Engineer | £110,000–£150,000 + Equity | TypeScript | React | Node.js | Hybrid (3 Days in Victoria) A high-growth, VC-backed SaaS startup is redefining how modern businesses manage spend—streamlining everything from software requests to supplier approvals. With enterprise customers already onboard and 10x … user experiences, and solving real customer problems Have a history of excellence in any domain—tech, academia, sport, or side projects Compensation & Equity Senior Engineer £90,000 - £110,000 Staff Engineer : £110,000 – £135,000 Principal Engineer : £135,000 – £150,000 Equity Options ✨ Benefits Hybrid working More ❯

Staff to Principal JavaScript Engineer | £110,000–£150,000 + Equity | TypeScript | React | Node.js | Hybrid (3 Days in Victoria) A high-growth, VC-backed SaaS startup is redefining how modern businesses manage spend—streamlining everything from software requests to supplier approvals. With enterprise customers already onboard and 10x … user experiences, and solving real customer problems Have a history of excellence in any domain—tech, academia, sport, or side projects 💸 Compensation & Equity Senior Engineer £90,000 - £110,000 Staff Engineer : £110,000 – £135,000 Principal Engineer : £135,000 – £150,000 Equity Options ✨ Benefits Hybrid working More ❯

Staff to Principal JavaScript Engineer | £110,000–£150,000 + Equity | TypeScript | React | Node.js | Hybrid (3 Days in Victoria) A high-growth, VC-backed SaaS startup is redefining how modern businesses manage spend—streamlining everything from software requests to supplier approvals. With enterprise customers already onboard and 10x … user experiences, and solving real customer problems Have a history of excellence in any domain—tech, academia, sport, or side projects 💸 Compensation & Equity Senior Engineer £90,000 - £110,000 Staff Engineer : £110,000 – £135,000 Principal Engineer : £135,000 – £150,000 Equity Options ✨ Benefits Hybrid working More ❯

Be among the first 25 applicants Get AI-powered advice on this job and more exclusive features. Are you an experienced Full-Stack Software Engineer with a strong interest in AI and machine learning? This could be the ideal opportunity for you! The Role As a Full-Stack Software … Engineer, you'll be instrumental in the creation, development, and maintenance of an innovative AI-driven platform. Your role will involve working with large language models, building AI agents, developing data pipelines, and managing both the front-end and back-end to create a seamless, efficient platform. You'll … of AI technology. Specialising in AI-powered platforms, they are building products that have the potential to revolutionise industries. As a Full-Stack Software Engineer, you'll join a dynamic, collaborative environment that thrives on innovation and problem-solving. This hybrid remote role is based in London. Benefits As More ❯

Job Description Title: Senior Full Stack JavaScript Engineer Employment: Full time, permanent Location: Based at our offices in Holborn, London - Hybrid working pattern, 3 days a week in office Who We Are: Omaze is an entertainment company with a social purpose. We offer our customers the chance to … Named one of Fast Company’s Most Innovative Companies and Inc.’s Best in Business Who we're looking for: As a Senior Software Engineer, you are an experienced software engineer excited about building innovative next- social good platforms to empower nonprofits to do their world-changing work. … but also has an intrinsic motivation to deliver value to the customer and knows how to balance both. Ideally, you are a full-stack engineer who can demonstrate a general knowledge of various technologies and how those should be applied in multiple scenarios when designing features or systems. Part More ❯

Software Engineer/Developer (JavaScript Node.js AWS API) London/WFH to £85k Are you a technologist Software Engineer who enjoys using a range of languages whilst continually learning? You could be progressing your career at a successful and growing Cyber Security Risk Management tech company, working … on complex and interesting systems at the cutting edge of technology used by insurance company to assess security risk. As a Software Engineer you'll join the Product Engineering team working on the development of websites, APIs and efficient database queries. As well as JavaScript and SQL you … the team in the London Bridge office three days a week with flexibility to work from home the other two. About you: You have JavaScript/TypeScript backend development experience You have a good knowledge of REST APIs You have strong SQL query writing skills You have experience of More ❯

Crick Institute and more to achieve groundbreaking performances that have revolutionised their operations. The Role We are seeking a bright and motivated Junior Software Engineer to join our team. You will join us on our mission to provide the front end experience required to realise the full potential of … stack. Key Responsibilities Collaborate with Product and Delivery Managers to refine and design new features Implement new features in our simulation platform, primarily in JavaScript Extend JavaScript apps that visualise and control the simulation Identify and resolve defects across our technology stack Participate in peer code and design … of projects Skills Knowledge and Expertise Bachelor's degree in Computer Science, Software Engineering or equivalent experience Strong CS fundamentals Web application development with JavaScript (Desirable) Experience with C++ or Rust (Desirable) Knowledge of real-time simulator or game engine architecture (Desirable) Experience developing distributed, cloud deployed applications Job More ❯

Mid - Senior Full Stack Engineer | Vue.js/PHP/JavaScript | Fin-Tech Start Up | Salary Range £75K - £100K | 5 Days Per Week (after probation passed 3 Days Per Week) | Greater London Company: They are looking for someone to be the driving force behind a high-impact internal CRM … foundation in property finance, they are now doubling down on technology as a growth enabler—and they are looking for a skilled Full Stack Engineer to take full ownership of their core platform. Mid - Senior Full Stack Engineer | Vue.js/PHP/JavaScript | Fin-Tech Start Up … web applications using frameworks (PHP) and REST APIs. ->Work with MySQL for schema design, performance tuning, and data analysis. ->Create responsive, accessible UIs using JavaScript, HTML, CSS, and frameworks like Vue.js and React.js. ->Manage deployments and build automation with CI/CD pipelines. ->Collaborate across departments to improve internal More ❯

Mid - Senior Full Stack Engineer | Vue.js/PHP/JavaScript | Fin-Tech Start Up | Salary Range £75K - £100K | 5 Days Per Week (after probation passed 3 Days Per Week) | Greater London Company: They are looking for someone to be the driving force behind a high-impact internal CRM … foundation in property finance, they are now doubling down on technology as a growth enabler—and they are looking for a skilled Full Stack Engineer to take full ownership of their core platform. Mid - Senior Full Stack Engineer | Vue.js/PHP/JavaScript | Fin-Tech Start Up … web applications using frameworks (PHP) and REST APIs. ->Work with MySQL for schema design, performance tuning, and data analysis. ->Create responsive, accessible UIs using JavaScript, HTML, CSS, and frameworks like Vue.js and React.js. ->Manage deployments and build automation with CI/CD pipelines. ->Collaborate across departments to improve internal More ❯

Mid - Senior Full Stack Engineer | Vue.js/PHP/JavaScript | Fin-Tech Start Up | Salary Range £75K - £100K | 5 Days Per Week (after probation passed 3 Days Per Week) | Greater London Company: They are looking for someone to be the driving force behind a high-impact internal CRM … foundation in property finance, they are now doubling down on technology as a growth enabler—and they are looking for a skilled Full Stack Engineer to take full ownership of their core platform. Mid - Senior Full Stack Engineer | Vue.js/PHP/JavaScript | Fin-Tech Start Up … web applications using frameworks (PHP) and REST APIs. ->Work with MySQL for schema design, performance tuning, and data analysis. ->Create responsive, accessible UIs using JavaScript, HTML, CSS, and frameworks like Vue.js and React.js. ->Manage deployments and build automation with CI/CD pipelines. ->Collaborate across departments to improve internal More ❯

Senior Front End D3 Javascript Software Engineer - Holborn Our Client wants to recruit a Senior Front End Software Developer with at least 7 to 10 years expertise of working with D3 React and Javascript. You will be involved with creating sophisticated, robust and easy to use web apps … Redux) Data visualisation experience, including with D3.js Experience with continuous integration, test automation, and monitoring You must have the following skills: Strong proficiency in JavaScript, CSS, HTML including DOM manipulation and the JavaScript object model Familiarity with RESTful APIs Knowledge of modern authorization mechanisms, such as JSON Web More ❯

At Atominvest, we build tools and software for the world's best investors. Are you looking for an opportunity to be part of a high growth software business within the private equity & venture capital industry? Do you love to build More ❯

Job Description Senior Full Stack Engineer Contract Role | JavaScript/Typescript | B2C, Scale-up | UK Fully Remote | £500pd, Outside IR35 | 6 month Contract, likely extension Urgently hiring for x2 Full stack engineers, experienced required: 6+ years experience working with JavaScript/TypeScript for fast growth product companies. … are: Confidence with performing in Leetcode style interviews (Data Structures and Algorithms) A degree in Computer Science or Software Engineering related Senior Full Stack Engineer Contract Role | JavaScript/Typescript | B2C, Scale-up | UK Fully Remote | £500pd, Outside IR35 | 6 month Contract, likely extension * If interested, please apply More ❯

Senior Full Stack Engineer | £110,000 | TypeScript | React | Hybrid (1 day a week in Old Street) Fresh off the back of $96M in VC funding, My client are scaling rapidly and working with top-tier partners to transform carbon markets through data, science, and powerful digital tools. They are … an industry-leading climate tech company on a mission to drive real, measurable environmental impact. As a Senior Full Stack Engineer , you’ll help shape the architecture and infrastructure of their core platform—automating complex workflows, integrating with external systems, and building production-grade APIs and data solutions that … Final Interview (multiple stakeholders) Fancy finding out more? Click APPLY , and I (Sam Barcia) will be in touch to discuss further! Senior Full Stack Engineer | £110,000 | TypeScript | React | Hybrid (1 day a week in Old Street More ❯

Senior Full Stack Engineer | £110,000 | TypeScript | React | Hybrid (1 day a week in Old Street) Fresh off the back of $96M in VC funding, My client are scaling rapidly and working with top-tier partners to transform carbon markets through data, science, and powerful digital tools. They are … an industry-leading climate tech company on a mission to drive real, measurable environmental impact. As a Senior Full Stack Engineer , you’ll help shape the architecture and infrastructure of their core platform—automating complex workflows, integrating with external systems, and building production-grade APIs and data solutions that … Final Interview (multiple stakeholders) Fancy finding out more? Click APPLY , and I (Sam Barcia) will be in touch to discuss further! Senior Full Stack Engineer | £110,000 | TypeScript | React | Hybrid (1 day a week in Old Street More ❯

our engagement. We have offices in London, Lisbon, and Porto. Location: Remote (EU) Department: Engineering Contract role About the role: As a Senior Software Engineer, you'll be part of a client team building innovative products. We expect you to be curious, passionate, driven, and enthusiastic. You'll be … solving and are an active learner who gets excited by working collaboratively with those around you. If you are a proactive, adaptable, and enthusiastic engineer with a passion for leveraging multiple technologies to build exceptional backend solutions, we encourage you to apply. Join our team and contribute to the … innovative products that make a difference in the industry. Your day-to-day responsibilities will look like this: Crafting excellent products! As a Fullstack Engineer, you will be building new features that meet the needs of our clients' customers, as well as improving their Digital Platform; Continuously delivering changes More ❯