1 to 25 of 55 JavaScript Engineer Jobs

Senior JavaScript Engineer (React & Node) We are hiring two remote Senior JavaScript Engineers (React & Node) for a Software-as-a-Service ScaleUp building award-winning customer journey, analytics and marketing products for high-profile global Events & Entertainments brands. It's a fully remote role offering up to More ❯

Senior Frontend Engineer - JavaScript I'm looking for a Senior Frontend Engineer (React, TypeScript), who is looking to join a fast-growing company where over the last 5 years they have scaled their platform to 3+ Million users! They are an innovative company making a real impact More ❯

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 win dream … 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-generation social good platforms to empower nonprofits to do their world-changing … 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 ❯

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 win dream … 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-generation social good platforms to empower nonprofits to do their world-changing … 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 ❯

Role: Software Engineer – JavaScript/TypeScript Location: Based in Central Leeds by the station, in amazing offices. Salary: £45,000 to £65,000 plus benefits This company is at the forefront of leveraging cutting-edge technology encompassing AR, VR, AI and 3D Rendering to redefine their sector. Started … of concept” contracts with two of the largest energy companies. With this significant growth potential, they are seeking a versatile and skilled Staff Software Engineer (JS). The successful candidate will be responsible for the development and implementation our platform and application services, ensuring they meet the highest standards … of quality, security, and performance. This hands-on role requires a strong grasp of JavaScript/TypeScript. You will sit inside a cross-cutting technical pod, supported by dedicated UI/UX, PMO and DevOps roles. The role will be based full time in their Leeds offices initially with More ❯

Role: Software Engineer - JavaScript/TypeScript Location: Based in Central Leeds by the station, in amazing offices. Salary: £45,000 to £65,000 plus benefits This company is at the forefront of leveraging cutting-edge technology encompassing AR, VR, AI and 3D Rendering to redefine their sector. Started … of concept' contracts with two of the largest energy companies. With this significant growth potential, they are seeking a versatile and skilled Staff Software Engineer (JS). The successful candidate will be responsible for the development and implementation our platform and application services, ensuring they meet the highest standards … of quality, security, and performance. This hands-on role requires a strong grasp of JavaScript/TypeScript. You will sit inside a cross-cutting technical pod, supported by dedicated UI/UX, PMO and DevOps roles. The role will be based full time in their Leeds offices initially with More ❯

About the role We have an exciting opportunity for a JavaScript Engineer to join the elementsuite team, who's passionate about creating engaging, high-quality products and tools. You'll be working closely with our Application Development team, contributing to our cutting-edge HR software platform. This is … our customers thrive. Key responsibilities in the role will include: Building innovative, high-quality products in line with the elementsuite roadmap. Writing clean, reusable JavaScript code using modern frameworks (e.g. Vue.js, Knockout.js). Developing responsive UI/UX experiences using HTML5, CSS3, and SASS. Testing your work thoroughly with … feedback, and continually learning. Skills & experience Demonstrable experience working in a software engineering environment (any experience in HR software would be advantageous). Strong JavaScript skills and experience with modern frameworks (Vue.js, Knockout.js, jQuery). Solid understanding of MVVM, responsive design, and UI/UX principles. Experience working with 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 ❯

Senior Front End Engineer/Developer (JavaScript Angular SaaS) Reigate/WFH to £100k Are you a senior Front End Engineer with strong JavaScript Angular skills? You could be progressing your career in a senior, hands-on leadership role at a global FinTech with flexible working … and a range of perks and benefits including continual professional development. As a Front End Engineer you'll be the most senior Front End Developer in the UK working on a new AI driven product suite in collaboration with the team in Canada. You'll design and develop engaging … strong Front End/UI development experience You have expertise with modern Angular (Angular 16+, they're using Angular 18, moving to Angular 19), JavaScript and other web technologies e.g. HTML5, CSS You have experience of working with C# backends and a good understanding of Azure You have advanced More ❯

rulebook on how enterprise software is built. Our cloud-native solutions are at the forefront of innovation. We have an exciting opportunity for a JavaScript Engineer to join the elementsuite team. We're looking for someone passionate about creating engaging, high-quality products and tools. You'll work 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 ❯

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 ❯

Job Description 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 … 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 ❯

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 ❯

Heatly recently welcomed United Living Group as a majority shareholder. The strategic partnership underpins our future growth by providing the financial strength and industry needed to expand our services and reach. United Living Group's investment enables Heatly to enhance More ❯

About us Intellum is the leader in corporate education technology and powers the largest, most successful customer, partner, and employee learning programs in the world. Large brands and fast-moving companies like Google, Meta, Amazon, Walmart, Xero, Atlassian, Mailchimp, Airbnb More ❯

offices in Dubai, Miami, Nairobi, London and Barcelona. For more information visit Context of the role We're looking for a Full Stack Software Engineer who is passionate about the FinTech industry, and wants to work in a disruptive, fast-growing and exciting environment. As part of the Engineering … or several of the following programming/scripting languages: Golang (preferred) ,Perl, Python Proficient with front-end languages and libraries (e.g. HTML/CSS, JavaScript) Experience with VueJS or similar JavaScript libraries/frameworks Experience with Relational Databases Passionate about Agile Methodology and practices (TDD, CI, CD, etc … Experience designing and developing web and API solutions as a Full Stack Engineer or similar role Interest in the Fintech Industry and market innovations Our core services tech stack is hosted on Amazon Web Services. Our main tech stack consists of Golang, Python, Perl (Mojolicious) PostgreSQL, Vue.js, Docker and More ❯

offices in Dubai, Miami, Nairobi, London and Barcelona. For more information visit Context of the role We're looking for a Full Stack Software Engineer who is passionate about the FinTech industry, and wants to work in a disruptive, fast-growing and exciting environment. As part of the Engineering … or several of the following programming/scripting languages: Golang (preferred) ,Perl, Python Proficient with front-end languages and libraries (e.g. HTML/CSS, JavaScript) Experience with VueJS or similar JavaScript libraries/frameworks Experience with Relational Databases Passionate about Agile Methodology and practices (TDD, CI, CD, etc … Experience designing and developing web and API solutions as a Full Stack Engineer or similar role Interest in the Fintech Industry and market innovations Our core services tech stack is hosted on Amazon Web Services. Our main tech stack consists of Golang, Python, Perl (Mojolicious) PostgreSQL, Vue.js, Docker and More ❯

Senior AQA (JavaScript/TypeScript) Engineer (Performance Focus) Location: Remote from Spain Language: Spanish fluency, English Upper-intermediate Project Overview Join a high-impact engineering team involved in migrating from a legacy Microsoft Dynamics 2013 system to a modern, high-performance platform. The architectural groundwork is done, and … we are entering the live-testing and optimization phase . We're looking for a Senior QA Engineer with deep experience in performance testing and automated testing frameworks , particularly using JavaScript/TypeScript and Playwright . Your Responsibilities Design and execute performance test scenarios (load, stress, and endurance More ❯

Crick Institute and more to achieve groundbreaking performances that have revolutionised their operations. The Role We are seeking a highly skilled and motivated Software Engineer to join our team. You will play a crucial role in our mission to provide the front end experience required to realise the full … features Take ownership of the functionality and quality in an area of our software stack Write high quality, performant and maintainable code, primarily in JavaScript Participate in peer code and design review Maintain a backlog that balances the timely delivery of features with quality Drive continuous improvement in the … Science, Software Engineering or equivalent experience 5+ years of professional software development experience Experience developing highly interactive Web applications High level of proficiency with JavaScript, asynchronous programming and Linux (Highly desirable) Experience with C++ or Rust (Desirable) Knowledge of real-time simulator or game engine architecture (Desirable) Experience developing More ❯

C# (we're ready to help to switch to Java) or good knowledge in this area with motivation to learn more Working experience in JavaScript, HTML, CSS or good knowledge in this area with motivation to learn more Good knowledge of SQL and database Testing frameworks for unit, integration More ❯

If you have the willingness to learn new products and describe them, then you might be just who we're looking for: Senior Software Engineer to help us shape Emergn's exciting future and play an important role in our growth. We want you to: Work as part of More ❯

days/week Flexible working : Variety of flexible work patterns subject to line manager discretion e.g. Compressed 9-day fortnight. Reports to: Senior Fullstack Engineer Deadline Note: We reserve the right to close the advert before the advertised deadline if there are a high volume of applications. Role Summary … Join our exceptional team as a Full-Stack Engineer and be part of a growing group of skilled software engineers, data modellers and quant analysts. Together, we're driving the development and maintenance of LCCC's cutting-edge digital platform, powering multiple applications like settlements tools, forecasting systems, calculation … into high quality code. Develop new user-facing features using frameworks such as React.js (other frameworks will be considered) Write front-end components using JavaScript, CSS and integrate with back-end Python components (possibly other languages). Develop modules that satisfy the functional and non-functional requirements. Prepare, review More ❯