201 to 225 of 233 Front End Developer (Client-Side Developer) Jobs in London

in life. We also have a small number of B2B clients including the University of Cambridge, Oxford and Imperial College London among others. We are looking for a Front-End Developer to help improve our online whiteboard Bitpaper, which is used by thousands of teachers and students to deliver online classes. You … You will be working in a wider tech team of seven people and be based in our Canary wharf office in London. 2 + years of experience in front-end development. Canvas and SVG React and similar frameworks like Next.js Git for version control Strong grasp of the English language with the ability to articulate clearly … hours ago London, England, United Kingdom 1 week ago London Area, United Kingdom £50,000.00-£55,000.00 2 hours ago London, England, United Kingdom 6 hours ago Front-End Developer (6-Month Contract) - Immediate Start London, England, United Kingdom 1 week ago London, England, United Kingdom 3 days ago We’re unlocking More ❯

Acurable You are a person who is eager to learn and likes challenges. You are a person who can help to improve any aspect, not necessarily only the front end part. You pay attention to detail without losing focus, have a sense of ownership and take pride in the quality of your work. You have experience More ❯

What you will do: Gross salary starting at 1,500 EUR/month Remote workplace (work from anywhere – you can chill in the Bahamas in your pyjamas!) A growth-oriented tribe. We value health, awareness, consciousness and enjoy being Human More ❯

We have a fantastic new opportunity for a Frontend Developer to work on the world's leading fixed-income e-trading systems. With over … million in quarterly revenues, the client is at the forefront of using the latest and most cutting-edge technology stack for their applications. As a front end developer, this is arguably one of the most complicated but rewarding projects you could work on, raising your profile and net worth as … if you can join in 2-3 weeks (max) and are ready to undertake online tests as a part of the technical assessment process. Responsibilities 8+ years of front end development experience Desirable experience with Highcharts or similar Desirable experience with Ag-grids Good understanding of REST and microservices communication Office Locations: UK Office: G 18.4 More ❯

Social network you want to login/join with: Are you a Front End Game Developer with solid experience in developing Slots games with TypeScript and looking for a new challenge? If so, this role could be for you. BENEFITS: £60-75k, fully remote, 25 days holiday plus bank holidays a … year, plus pension. You will be an experienced Game Developer with at least 3 years’ experience in developing Slots for the iGaming Sector, using TypeScript and PixiJS . As part of a small and dynamic team, you should have several years of industry experience and be able to work on games from initial concept through development … the opportunity to work within a fast-growing team creating innovative and unique games. You will join an iGaming Studio focused on building innovative games that prioritize the end user and their preferences. They pride themselves on high attention to detail and fine-tuning game mechanics to ensure excellent game experiences. Ideally, the right candidate will be based More ❯

Are you a Front End Game Developer with solid experience with developing Slots games with TypeScript and looking for a new challenge? If so, this role could be for you. BENEFITS: £60-75k, fully remote , 25 days holiday plus bank holidays a year plus pensionYou will be an experience Game Developer … within a fast-growing team who create innovative and unique games.You will be joining an iGaming Studio who aim to build innovative games that really focus on the end user and their preferences, they pride themselves in having a high attention to detail and look to focus on the finer tuning of games and the gaming mechanics to More ❯

Must have excellent Liferay and Java skills, Spring MVC, Apache CKF, Dozer (a fast and flexible framework for mapping back and forth between Java Beans) & XML: A minimum of 5 years’ work experience in Software Development Experience with implementing service More ❯

with world-class technologists and domain experts to deliver scalable, high-performance UIs that support real-time trading and analytics. Key Responsibilities Design and develop responsive, low-latency front-end trading systems using React. Build dashboards and visualisation tools for Fixed Income market data and trade execution. Collaborate with traders, quants, and back-end engineers to deliver seamless UI experiences. Contribute to architectural decisions and front-end performance tuning. Required Skills & Experience Proven experience delivering front-end applications in electronic trading environments Strong understanding of performance optimisation and low-latency UI design Experience with real-time data technologies (WebSockets, FIX, etc.) Familiarity with containerized … front-end platforms such as OpenFin is a plus Prior exposure to Fixed Income products (Rates, Credit, Bonds) or other capital markets Experience in data visualisation, charting and grid tools like AG Grid, Highcharts etc Ability to thrive in fast-paced, front-office environments with direct business interaction Passionate about technology, innovation, and solving More ❯

Frontend Developer/Software Engineer (Growth-Focused) About Us Founded in the US in 2022 and now based in London, UK, Recraft is an AI tool for professional designers, illustrators, and marketers, setting a new standard for excellence in image generation. We designed a tool that lets creators quickly generate and iterate original images, vector art … a focus on user growth metrics. Develop and execute A/B tests and other experiments to validate ideas and improve the user journey. Identify, prioritise, and solve front-end challenges with a data-driven mindset. Maintain clean, testable, and maintainable code focusing on rapid delivery and iteration. Actively propose and implement process improvements to streamline … experimentation and reduce time-to-market. Stay ahead of trends in front-end development, leveraging the latest tools and frameworks to gain a competitive edge. Requirements You thrive in a fast-paced, ever-changing environment, and are motivated by solving complex problems creatively. A passion for rapid iteration, experience in A/B testing, and data More ❯

Vacancy for Frontend Developer at The National Archives Vacancy for Frontend Developer at The National Archives 26 May 2022 London Full-Time We are looking for an enthusiastic Frontend Developer with excellent coding skills, a passion for accessibility, usability and progressive enhancement. Our Digital Services team build and … and culture in an open and collaborative environment, engaging widely with internal and external communities to share your expertise and learn from others. This mid-level Frontend Developer role is part of a creative, motivated digital team who embrace challenge and look for opportunities to do things differently. Working with colleagues at all levels; you will … help shape ideas and build solutions that balance user needs with business goals. The Frontend Developer role is a full-time post, but requests for part-time working, flexible working and job share will be considered, always taking into account the operational needs of the Department. A combination of onsite and home working is available, and More ❯

Social network you want to login/join with: One of London's hottest 'tech for good' companies is looking for a Front End Developer to join their team with the option of working fully remote if you'd like to. You'll be changing people's lives for the better using … artificial intelligence. If, as a Front End Developer, you enjoy making a positive impact in the world, then this is the role for you. Key responsibilities and requirements include: Experience with React and/or React Native in a product-focused environment Mentoring junior team members Ability to ship features consistently and More ❯

Development of a client application for the purchase of tokens in exchange for cryptocurrency directly off the website, investor profiles, development of the client side of the analytics dashboard, development of the client More ❯

real-time decision-making for our business. In This Role, You Will Design and develop responsive, performant, and accessible user interfaces using modern JavaScript frameworks (e.g., React), advanced front-end technologies, and TypeScript. Architect and implement micro frontend solutions to enable scalable, modular, and independently deployable frontend applications. Develop server-side applications and APIs … and efficient code, following software engineering best practices and patterns. Participate actively in technical discussions, design reviews, and code reviews. Continuously learn and grow your understanding of modern front-end technologies, micro frontend patterns, server-side JavaScript, and best practices. Work with RESTful APIs and GraphQL to integrate front-end … and concepts such as CSS-in-JS, Webpack Module Federation, progressive web apps (PWA), and frontend performance optimization. Familiarity with state management libraries (e.g., Redux, MobX) and client-side routing. Understanding of web performance optimization techniques and tools. Experience with version control systems (preferably Git) and collaborative development workflows. Exposure to cloud platforms like AWS and More ❯

Automate Cloud and RPA flows including best practice error handling, retry policies and monitoring AI enabled chatbots using Power Virtual Agents, including topic authoring and integrating with back-end services Strong knowledge of designing and building data models and integrating with a variety of data sources including: Dataverse entity design, relationship modelling and security (Business Units, Teams, Row …/Prod) and release gating Git workflows (feature branching, pull requests) Confident in extending the functionality of Power Platform using C#, .Net, JavaScript/TypeScript to enable client-side logic. Able to lead on architecture and solution governance, transforming business requirements into scalable, maintainable solutions, including: Establishing naming conventions, environment strategy, security model Cost management and … Digital by 2x Get notified about new Senior Developer jobs in London, England, United Kingdom . London, England, United Kingdom 2 weeks ago Senior Front-End Engineer, Institutional Full Stack Lead/CTO (Remote + equity options) London, England, United Kingdom 2 weeks ago London, England, United Kingdom 2 weeks ago Codified More ❯

MongoDB. Experience with Spring data JPA with bidirectional One To Many, Many To Many relationships. Familiarity with cloud platforms (e.g., AWS, Azure, or GCP). Experience in client-side programming language that lets web developers make Web Application Development smoother and dynamic. Experience in optimizing web and mobile applications, enhancing their scalability, operating speeds, and making … Architecture and Clean code practices Good troubleshooting and problem-solving skills with excellent understanding of system development methodologies, techniques, and tools. Responsible for leading the delivery teams from end-to-end delivery standpoint. Excellent written and verbal communication skills. One team approach and team collaboration. Positive mindset to learn new technologies. Good to Have: Insurance domain … and API Gateways Knowledge on Document management and generation systems/applications. Experience with CI/CD pipelines. Familiarity with message brokers (e.g., RabbitMQ, Kafka). Knowledge of front-end technologies (Angular, React). Security-conscious development practices. Profound knowledge and experience in using J2EE/Jakarta EE frameworks and technologies such as Enterprise JavaBeans (EJB More ❯

MongoDB. Experience with Spring data JPA with bidirectional One To Many, Many To Many relationships. Familiarity with cloud platforms (e.g., AWS, Azure, or GCP). Experience in client-side programming language that lets web developers make Web Application Development smoother and dynamic. Experience in optimizing web and mobile applications, enhancing their scalability, operating speeds, and making … Architecture and Clean code practices Good troubleshooting and problem-solving skills with excellent understanding of system development methodologies, techniques, and tools. Responsible for leading the delivery teams from end-to-end delivery standpoint. Excellent written and verbal communication skills. One team approach and team collaboration. Positive mindset to learn new technologies. Good to Have: Insurance domain … and API Gateways Knowledge on Document management and generation systems/applications. Experience with CI/CD pipelines. Familiarity with message brokers (e.g., RabbitMQ, Kafka). Knowledge of front-end technologies (Angular, React). Security-conscious development practices. Profound knowledge and experience in using J2EE/Jakarta EE frameworks and technologies such as Enterprise JavaBeans (EJB More ❯

s responsible for the full software development life cycle, from conception to deployment. As a Full Stack Developer, you should be comfortable around both front-end and back-end coding languages, development frameworks and third-party libraries. You should also be a team player with a knack for visual design … If you’re also familiar with Agile methodologies, we’d like to meet you. Responsibilities Work with development teams and product managers to ideate software solutions Design client-side and server-side architecture Build the front-end of applications through appealing visual design Develop and manage well-functioning databases and … skills Proven experience as a Full Stack Developer or similar role Experience developing desktop and mobile applications Familiarity with common stacks Knowledge of multiple front-end languages and libraries (e.g. HTML/CSS, JavaScript, XML, jQuery) Knowledge of multiple back-end languages (e.g. C#, Java, Python) and JavaScript frameworks (e.g. More ❯

is responsible for building and maintaining high-performance web applications using Angular and related technologies. The ideal candidate is a team player with a strong understanding of front-end development and a keen eye for detail. Key Responsibilities * Develop and maintain scalable web applications using Angular * Write clean, maintainable, and well-documented code * Optimize applications … in code reviews and contribute to team knowledge sharing * Troubleshoot and debug application issues * Stay up-to-date with the latest trends and best practices in Angular and front-end development Required Qualifications * Proven experience with Angular (preferably Angular 10+) * Strong proficiency in TypeScript, JavaScript, HTML5, and CSS3 * Experience with RESTful APIs and asynchronous request handling … Git * Understanding of responsive design and cross-browser compatibility * Expertise in writing testable javascript and some of Karma, Jasmine, Mocha or Protractor * History of picking up new client-side libraries quickly * Familiar with Common Js modules * Working together with other teams to design good REST APIs #J-18808-Ljbffr More ❯

will be responsible for building and maintaining high-performance web applications using Angular and related technologies. The ideal candidate is a team player with a strong understanding of front-end development and a keen eye for detail. Develop and maintain scalable web applications using Angular Write clean, maintainable, and well-documented code Optimize applications for maximum … in code reviews and contribute to team knowledge sharing Troubleshoot and debug application issues Stay up to date with the latest trends and best practices in Angular and front-end development Your Profile Proven experience with Angular (preferably Angular 10+) Strong proficiency in TypeScript, JavaScript, HTML5, and CSS3 Experience with RESTful APIs and asynchronous request handling … Git Understanding of responsive design and cross-browser compatibility Expertise in writing testable javascript and some of Karma, Jasmine, Mocha or Protractor History of picking up new client-side libraries quickly Familiar with Common Js modules. Working together with other teams to design good REST APIs About Capgemini Capgemini is a global business and technology transformation More ❯

Country: United Kingdom Location: London Sector: Software Developer Daily Rate: GBP £350 Per Day Negotiable Job Type: Contract Senior JavaScript/UI - AngularJS Contract Developer (Advertising/Media) Posted Monday, 28 September 2015 Key Responsibilities of the JS/UI Developer: Develop slick, modular, best-in-class user … -facing mock-ups and UX designs. Ensure a high level of quality through business-driven development and test automation Strong AngularJS skills highly preferred Experience with front-end package management tools (NPM, Bower) and task-runners (Gulp/Grunt) Fluency in common mock-up and wire framing tools (Balsamiq, Gliffy, Omnigraffle) Fundamental application of … development in UNIX/Linux environments Experience/familiarity with Ruby, and other application programming languages (e.g. PHP, Java, Python, C++) Experience with Node.js Knowledge of other client-side scripting languages (Flash/Actionscript) Experience with relational (MySQL) and non-relational databases What's in it for you? Opportunity to work within an exciting and innovative More ❯

Social network you want to login/join with: Senior Front-End Engineer (Inbox Web), London col-narrow-left Client: ProtonMail Location: London, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Reference: 88bf1b833730 Job Views: 43 Posted: 22.06.2025 Expiry Date: 06.08.2025 col-wide Job Description: A better internet … internet that serves the interests of all people. We need you, your voice, your ideas, and your ambition to make it happen. Purpose of the role As a Front-end Engineer on the Inbox team, you will play a crucial role in developing Proton's most vital services, including Mail, Calendar, and Contacts. We expect you … a focus on offering the best user experiences. Experience working in a distributed team. Able to work from the office (70%) Awareness of common security issues in client-side development, such as those in the OWASP top ten, and how to mitigate them. Familiarity with UX, accessibility, internationalization, and localization concerns and solutions. Experience with Grafana More ❯

ways that were previously impossible. Position Overview We are looking for a Senior Full Stack JavaScript Developer to lead the development of both client-side and server-side functionalities. In this role, you will focus on building user interfaces that interact with the blockchain-enabled Python backend, ensuring seamless integration … and an exceptional user experience. Your expertise will be crucial in delivering high-quality, performant, and intuitive web applications. Key Responsibilities Lead the development of both client-side and server-side functionalities using JavaScript. Design and implement user interfaces and server-side logic that interact with the Python backend. Ensure seamless integration … integrate front-end and back-end systems. Optimize web applications for performance and scalability. Write comprehensive tests and documentation for both client-side and server-side code. Participate in code reviews and provide constructive feedback to team members. Minimum Requirements 5+ years of experience in JavaScript development. Proficiency More ❯

within the Application Development team, you will be responsible for the development and maintenance of our ecommerce platform, covering both back-end and front-end technologies. You’ll collaborate closely with developers, business stakeholders, and product owners to deliver robust and maintainable software solutions that meet business objectives. Key responsibilities include … diversity and making use of available resources to extend best practices. Required Qualifications & Experience Demonstrable experience in a Web Application Developer role, covering both front-end (HTML, CSS, JavaScript, jQuery) and back-end (C#, ASP.NET MVC5, Classic ASP) technologies. Experience working with ecommerce platforms in a commercial environment. Solid knowledge … or MOQ. Solid understanding of Agile methodology and Scrum ceremonies. Experience using source control (e.g., Git) and issue tracking systems (e.g., JIRA). Experience working in both client-side and agency-side development environments is an advantage. Strong record of achieving project milestones and contributing to successful project delivery. Proven experience building effective working More ❯

monday.com! In this Group, you'll help drive the company’s core metrics, Activation, Engagement, Monetization, and more, by spotting and building smart growth opportunities. You’ll work end-to-end on features across client and server, using data, experimentation, and proven growth strategies to make real impact across key areas of our product. … Ruby on Rails, AWS, Elastic Search, Redis, MySQL Requirements: 6+ years of proven experience. Experience building web applications from scratch in a production environment Passion for both client-side and server-side development A "growth mindset," including strong analytical, inquisitive, and data-driven experiences. Ability to collaborate with teammates and people from different departments … England, United Kingdom 1 day ago London, England, United Kingdom 5 days ago London, England, United Kingdom 1 year ago London, England, United Kingdom 1 month ago Newsroom Front-End Developer (12 Month FTC/Secondment) Isleworth, England, United Kingdom 6 days ago London, England, United Kingdom 1 month ago London, England More ❯

We are looking for an experienced web developer to join our team of super devs. It’s a fast-paced dynamic environment. No two projects are the same. You’ll work alongside UX and UI designers, marketers, and other developers to create amazing digital solutions that include websites, web applications, mobile apps, and digital experiences. Responsibilities … standards. Building powerful web applications. What are we looking for? What you need for this role: 3+ years of experience in front-end (client-side) web development using HTML, JS, and CSS (SASS). Experience building responsive web templates (3 years). CMS experience – WordPress or Drupal (3 years). You must More ❯