2,226 to 2,250 of 2,847 ECMAScript Jobs

for passionate individuals who are eager to make a difference and contribute to our success. What does the role involve? We are seeking a talented and motivated Mid-Level JavaScript/React.js Developer to join our growing development team. In this role, you will be responsible for building and maintaining modern, scalable front-end applications using JavaScript and React.js. You … processes that don't align with customer-first principles. Skills we would love you to have: Hands on experience in agile teams, developing enterprise-level applications. Strong proficiency in JavaScript and ReactJS, including core concepts like JSX, Virtual DOM, and component lifecycle. Experience with React workflows (e.g. Redux, Flux) and tools like Create React App is desirable. Familiarity with RESTful More ❯

We're looking for a Senior-level Software Engineer with strong JavaScript/TypeScript skills and experience across modern web stacks. You'll be instrumental in our transition away from Drupal as we modernise and scale our platform. Tech Stack: At least 4 years commercial experience with JavaScript or TypeScript and Node Exposure of Laravel and/or Python (Django More ❯

We're looking for a Senior-level Software Engineer with strong JavaScript/TypeScript skills and experience across modern web stacks. You'll be instrumental in our transition away from Drupal as we modernise and scale our platform. Tech Stack: At least 4 years commercial experience with JavaScript or TypeScript and Node Exposure of Laravel and/or Python (Django More ❯

clinicians, scientists, and product teams. Requirements: Degree in Computer Science, Data Science, Engineering, or related field. 3+ years of backend software engineering experience. Proficient in Python and/or JavaScript (Node.js). Experience with CI/CD tools (e.g. GitHub Actions, Azure Pipelines). Familiar with Docker and microservices architecture. Solid understanding of RESTful APIs. Bonus: Experience with AI/… ML tools like Hugging Face, LangChain, or PyTorch. Tech Stack: Python/JavaScript (Node.js) Docker/Kubernetes Azure/GitHub Actions RESTful APIs/Microservices Hugging Face, LangChain, PyTorch Unfortunately, no sponsorship is available at this time. More ❯

clinicians, scientists, and product teams. Requirements: Degree in Computer Science, Data Science, Engineering, or related field. 3+ years of backend software engineering experience. Proficient in Python and/or JavaScript (Node.js). Experience with CI/CD tools (e.g. GitHub Actions, Azure Pipelines). Familiar with Docker and microservices architecture. Solid understanding of RESTful APIs. Bonus: Experience with AI/… ML tools like Hugging Face, LangChain, or PyTorch. Tech Stack: Python/JavaScript (Node.js) Docker/Kubernetes Azure/GitHub Actions RESTful APIs/Microservices Hugging Face, LangChain, PyTorch Unfortunately, no sponsorship is available at this time. More ❯

Managers References Are Mandatory ) in Below Mentioned Format Job Description: Looking for an experienced Frontend Developer/UI Developer. The candidate should have a strong background in TypeScript/JavaScript and be proficient in one or more frameworks such as AngularJS, React, VueJS, or Alpine. JS Additionally, a solid understanding of Java, HTML, and CSS/SCSS is essential. Experience … with AEM Cloud as a Service is highly desirable. Key Responsibilities: Develop and maintain user interfaces using TypeScript/JavaScript frameworks (AngularJS, React, VueJS, AlpineJS). Collaborate with backend developers to integrate APIs and services. Ensure the technical feasibility of UI/UX designs. Optimize applications for maximum speed and scalability. Write clean, maintainable, and efficient code. Lead and mentor More ❯

mentor teammates and help grow their skillsets, fostering a culture of continuous learning and improvement. You will bring over 7 years of software engineering experience with deep expertise in JavaScript, TypeScript, and React. Experience in full stack development using Node.js or Go would be a nice to have alongside a strong understanding of automated testing and quality assurance practices. Bonus … skills include browser optimisation, compiler technology or UX design which will be highly regarded. Skills 7+ years software engineering experience Expert in JavaScript, TypeScript and React Strong understanding of automated testing and QA Ability to translate complex ideas into high-quality, shippable products Mentoring and team leadership skills Collaboration with cross-functional teams (engineers, designers) Focus on delivering impact while More ❯

ownership of and will see the business impact of. There's a focus on backend and API development although you'll also have elements of front end work with JavaScript and React.js. Location: You'll be based in plush City office on a fulltime basis, Monday to Friday. About you: You have expertise with C# .Net, ASP.Net development You have … a strong knowledge of databases (SQL or Oracle) You're comfortable with JavaScript/React You have a thorough knowledge of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms You are collaborative with excellent communication and stakeholder management skills You are degree educated in Computer Science or similar technical discipline What's in it for you: As More ❯

not limited to Computer Science, Computer Engineering, and Electrical Engineering. Understanding of data structures and algorithms. Proficiency in one or more programming languages (e.g., JAVA, C++, Python, JS, HTML, JavaScript, GO) Extensive experience in engineering roles specializing in operating system performance optimization, systems optimization, or related areas. Desirable: Experience in developing mobile application software, Internet software or iOS/Android … operating systems Familiarity with front-end development technologies including but not limited to JavaScript frameworks (e.g., React, Angular, Vue.js), HTML5, and CSS.", HTML5, CSS Knowledge of operating system principles and experience in system architecture, performance, and power consumption optimization. Experience in publishing academic papers in related fields. Experience in publishing papers in international conferences or journals. More ❯

is required. Minimum of 3 years programming experience including 2 years of experience with Guidewire. Intermediate understanding of Systems Analysis and Design is preferred. Intermediate understanding of Core Java, JavaScript, HTML/CSS, and SQL strongly preferred. Other related object-oriented development experience may be substituted. Intermediate understanding of JEE, Spring frameworks, or similar environment/frameworks preferred. Intermediate understanding … of JDBC and Hibernate preferred. Familiar with IBM WebSphere Application Server or similar environment preferred. Familiar with JavaScript frameworks such as jQuery, Angular, React, or Vue.js preferred. Familiar with Eclipse IDE preferred. Intermediate understanding of web services (SOAP and REST) preferred. Familiar with XML and JSON preferred. Familiarity with Agile project methodology preferred. Ability to effectively manage multiple priorities and More ❯

the team Mentor junior developers and share best practices What we re looking for You ll thrive in this role if you bring: Proven experience with PHP, MySQL, HTML, JavaScript (incl. jQuery), CSS (SCSS & Tailwind) Strong UX awareness and the ability to bring design concepts to life Experience owning projects end-to-end from scoping to deployment Confidence with Git … and modern development workflows A collaborative mindset and strong communication skills Desirable: WordPress and/or Shopify (Basic/Advanced/Plus) Modern JavaScript frameworks (React, Vue, TypeScript) Figma for design collaboration Agency or multi-client project experience Linux servers and SEO best practices Supporting and guiding junior developers Benefits: Company performance bonuses 25 days holiday + bank holidays (with More ❯

the team Mentor junior developers and share best practices What we’re looking for You’ll thrive in this role if you bring: Proven experience with PHP, MySQL, HTML, JavaScript (incl. jQuery), CSS (SCSS & Tailwind) Strong UX awareness and the ability to bring design concepts to life Experience owning projects end-to-end — from scoping to deployment Confidence with Git … and modern development workflows A collaborative mindset and strong communication skills Desirable: WordPress and/or Shopify (Basic/Advanced/Plus) Modern JavaScript frameworks (React, Vue, TypeScript) Figma for design collaboration Agency or multi-client project experience Linux servers and SEO best practices Supporting and guiding junior developers Benefits: Company performance bonuses 25 days holiday + bank holidays (with More ❯

service and excellent user experience. What you’ll be doing Developing and maintaining websites, primarily using WordPress and Drupal Writing clean, standards-compliant code in HTML5, PHP, CSS, and JavaScript Building and testing features to ensure cross-browser and cross-device compatibility Supporting clients and colleagues with technical solutions and troubleshooting Collaborating on digital projects and generating ideas for improvements … Maintaining documentation and following best practice in deployment and version control What we’re looking for Strong skills in PHP, HTML5, CSS3, JavaScript, MySQL, Git Experience working with WordPress and Drupal (or similar CMS platforms) Understanding of full stack development Strong problem-solving skills with the ability to meet deadlines under pressure Excellent communication skills and ability to collaborate across More ❯

service and excellent user experience. What you’ll be doing Developing and maintaining websites, primarily using WordPress and Drupal Writing clean, standards-compliant code in HTML5, PHP, CSS, and JavaScript Building and testing features to ensure cross-browser and cross-device compatibility Supporting clients and colleagues with technical solutions and troubleshooting Collaborating on digital projects and generating ideas for improvements … Maintaining documentation and following best practice in deployment and version control What we’re looking for Strong skills in PHP, HTML5, CSS3, JavaScript, MySQL, Git Experience working with WordPress and Drupal (or similar CMS platforms) Understanding of full stack development Strong problem-solving skills with the ability to meet deadlines under pressure Excellent communication skills and ability to collaborate across More ❯

Test Manager/QA Manager/Quality Assurance/Senior Test Analyst/Tester/Automation/Playwright/Integration/API/CI/CD/Azure/JavaScript/TypeScript/Automation Strategy/Test Plans/Based in Solihull/Birmingham/£50,000 – 70,000 + bonus + benefits. One of our leading clients is looking … Selenium, Cypress). Solid understanding of integration and API testing, regression strategy, and CI/CD integration (Azure DevOps, GitHub Actions). Practical coding experience writing automated tests in JavaScript/TypeScript or Microsoft-aligned languages (.NET/C#). Experience defining QA strategy, test plans, acceptance criteria, and using metrics to measure outcomes. Ability to lead a small team More ❯

deliver high-performance applications used by major sports clients. Key Responsibilities Develop and extend multiple React/Next.js web applications Implement new UI components with Tailwind CSS and modern JavaScript Integrate REST APIs and real-time data feeds Debug, refactor, and optimise across frontend and backend systems Manage build pipelines and deployments within AWS Collaborate with internal teams to deliver … reliable and engaging user experiences Skills & Experience Essential: 3+ years’ commercial experience in React/Next.js development Strong TypeScript and modern JavaScript (ES6+) skills Experience with Tailwind CSS or similar frameworks Familiarity with WebSockets and real-time data integration Working knowledge of Node.js or Go Experience managing AWS environments, deployments, and pipelines Desirable: Experience in sports data, gaming, or live More ❯

Senior Developer Milton Keynes (hybrid) £40,000 - £60,000 Our client requires a Senior Developer with strong experience in C#, Azure (or similar cloud-based web applications) and JavaScript to join their growing team. You will have the flexibility of hybrid working and spend 3 days a week in their office. You will play a key role in designing, building … technologies and propose innovative solutions Look after complex coding tasks Skills: Proven experience as a Senior Developer or similar role Strong proficiency in C#, .NET, Azure Solid experience with JavaScript and modern front-end frameworks Excellent communication and leadership skills Ability to deliver complex projects to tight deadlines Outstanding attention to detail and with a focus on performance, security and More ❯

focused solutions that make a real impact. Responsibilities: Develop and maintain responsive web applications using PHP (Laravel) on the back end. Build engaging and performant user interfaces using modern JavaScript frameworks (React, Vue, or similar). Integrate APIs and third-party services to enhance application functionality. Write clean, efficient, and secure code following best practices. Collaborate in an agile environment … Troubleshoot, debug, and optimise applications for maximum performance. Requirements: 3+ years’ experience as a Full Stack Developer. Proven expertise with PHP and Laravel framework. Solid front-end experience with JavaScript, HTML5, CSS3, and a modern framework (React, Vue, or similar). Experience working with MySQL or other relational databases Salesforce experience is highly advantageous. Understanding of RESTful APIs and version More ❯

ownership from concept to deployment in an environment that rewards curiosity, autonomy, and excellence. What You’ll Do Design, build, and maintain high-performance systems in Python, C++ , or JavaScript Contribute to scalable backend services and real-time control software Develop clean, intuitive user interfaces for mission-critical tools Work closely with cross-functional teams to integrate software with hardware … product direction discussions Deliver code that’s robust, tested, and ready for deployment in demanding environments What We’re Looking For Solid hands-on experience in Python , C++ , or JavaScript (TypeScript/React experience a plus) Strong grasp of software engineering principles, system design, and version control (Git) Interest in AI, robotics, or defence technology Experience working with distributed systems More ❯

ownership from concept to deployment in an environment that rewards curiosity, autonomy, and excellence. What You’ll Do Design, build, and maintain high-performance systems in Python, C++ , or JavaScript Contribute to scalable backend services and real-time control software Develop clean, intuitive user interfaces for mission-critical tools Work closely with cross-functional teams to integrate software with hardware … product direction discussions Deliver code that’s robust, tested, and ready for deployment in demanding environments What We’re Looking For Solid hands-on experience in Python , C++ , or JavaScript (TypeScript/React experience a plus) Strong grasp of software engineering principles, system design, and version control (Git) Interest in AI, robotics, or defence technology Experience working with distributed systems More ❯

exploration with incredible savings. They are currently looking for a Senior Engineering Manager to lead their existing team (circa 15), made up of passionate and like-minded Full stack JavaScript Engineers. As the Senior Engineering Manager you'll play a pivotal role in driving innovation, leading and ensuring the scalability of their product. You will play a key part in … level, whilst remaining close to the code and has a passion for this! What we expect from the Senior Engineering Manager: • 10+ years experience in software engineering - All things JavaScript, TypeScript + Java • 3+ years experience as an engineering manager - proven people/technical leadership experience. • Proven experience in system architecture design, including scalable, reliable and performant solutions. • Experience scaling More ❯

exploration with incredible savings. They are currently looking for a Senior Engineering Manager to lead their existing team (circa 15), made up of passionate and like-minded Full stack JavaScript Engineers. As the Senior Engineering Manager you'll play a pivotal role in driving innovation, leading and ensuring the scalability of their product. You will play a key part in … level, whilst remaining close to the code and has a passion for this! What we expect from the Senior Engineering Manager: • 10+ years experience in software engineering - All things JavaScript, TypeScript + Java • 3+ years experience as an engineering manager - proven people/technical leadership experience. • Proven experience in system architecture design, including scalable, reliable and performant solutions. • Experience scaling More ❯

platforms. You’ll work closely with our designers, marketers, and clients to translate ideas into well-built, secure, and optimised websites. Key Responsibilities: Develop responsive websites using HTML, CSS, JavaScript, and modern frameworks (e.g., React, Vue, etc.) Build and customise Wagtail, WordPress, Shopify,or other CMS-based sites Optimise sites for speed, SEO, and mobile performance Ensure cross-browser and … tools when required Manage hosting, domains,and version control(e.g., Git) Skills/Experience: 2+ years experience in web development (agency experience a plus) Strong knowledge of HTML5, CSS3, JavaScript, and responsive design Experience with CMS platforms like WordPress (custom theme development), Shopify,or Wagtail Understanding of SEO principles and website performance optimisation Familiarity with Git, hosting platforms(e.g., cPanel More ❯

facing and internal problems that drive value. Champion security, observability, and reliability best practices. Mentor teammates and help cultivate a healthy, innovative engineering culture. Tech Stack: Core: TypeScript/JavaScript (server-side) Cloud & Infra: AWS (cloud-based architectures), Docker, CI/CD; IaC such as Terraform or CloudFormation Quality & Ops: Security and observability tooling/best practices Bonus exposure: React … on the front end (nice to have) What we’re looking for We value skill and impact over strict year counts. You should have: Strong TypeScript/JavaScript fundamentals and experience building high-traffic server-side web applications. Solid understanding of cloud-based application architecture (preferably AWS). Hands-on experience with Docker and CI/CD tooling. Practical grasp More ❯

facing and internal problems that drive value. Champion security, observability, and reliability best practices. Mentor teammates and help cultivate a healthy, innovative engineering culture. Tech Stack: Core: TypeScript/JavaScript (server-side) Cloud & Infra: AWS (cloud-based architectures), Docker, CI/CD; IaC such as Terraform or CloudFormation Quality & Ops: Security and observability tooling/best practices Bonus exposure: React … on the front end (nice to have) What we’re looking for We value skill and impact over strict year counts. You should have: Strong TypeScript/JavaScript fundamentals and experience building high-traffic server-side web applications. Solid understanding of cloud-based application architecture (preferably AWS). Hands-on experience with Docker and CI/CD tooling. Practical grasp More ❯