276 to 300 of 4,017 ECMAScript Jobs

development, particularly in large-scale, cloud-based systems with CI/CD practices. You bring deep expertise in modern frontend frameworks (especially React) and essential web technologies—HTML, CSS, JavaScript, TypeScript, and accessibility (a11y). You are experienced with automated testing and familiar with TDD. You’ve worked in product-centric teams that prioritise strong engineering principles like TDD and More ❯

optimization techniques. Strong understanding of normalized/dimensional data modeling principles. Strong knowledge of multiple data storage subsystems. Strong skills in C# and Python with additional skills in Java, JavaScript/Typescript, Angular, very strong SQL, Windows server, UNIX, and .Net. Strong research skills. Strong experience of Terraform, AWS, Airflow, Docker, Github/Github actions, Jenkins/Teamcity• Strong AWS More ❯

collaborative development . Energized by fast-paced, regulated environments where speed, quality, and adaptability matter. Your Technical Toolkit React/React Native/TypeScript Swift (iOS)/Kotlin (Android) JavaScript/HTML/CSS Figma/Vercel/Git Testing frameworks : Jest, Cypress, XCTest, Espresso CI/CD pipelines : GitHub Actions, CircleCI, Bitrise Cloud basics : AWS, Docker, K8s (exposure preferred More ❯

collaboration abilities. Ability to work independently and in a team environment. Strong attention to detail and dedication to delivering high-quality work. Experience with front-end technologies (HTML, CSS, JavaScript). Experience with version control systems (e.g., Git is preferred). Hold current SC-level security clearance (preferable). Be able to gain SC-level security clearance (mandatory). Triad More ❯

collaboration abilities. Ability to work independently and in a team environment. Strong attention to detail and dedication to delivering high-quality work. Experience with front-end technologies (HTML, CSS, JavaScript). Experience with version control systems (e.g., Git is preferred). Hold current SC-level security clearance (preferable). Be able to gain SC-level security clearance (mandatory). Triad More ❯

collaboration abilities. Ability to work independently and in a team environment. Strong attention to detail and dedication to delivering high-quality work. Experience with front-end technologies (HTML, CSS, JavaScript). Experience with version control systems (e.g., Git is preferred). Hold current SC-level security clearance (preferable). Be able to gain SC-level security clearance (mandatory). Triad More ❯

Lead Engineer – Enterprise Logistics Platform Location: Manchester (Hybrid) Reports to: Head of Engineering Team Size: 8 (6 direct reports) About Our Client Our client is a global SaaS leader operating at true enterprise scale, delivering complex, cloud-native software platforms More ❯

Job Title: Mid & Senior Level Developers Location: Warrington - Office Based Salary: £60,000 - £80,000, with excellent benefits Are you a talented Mid or senior-level developer with over 5 years of commercial experience in C# and a passion for More ❯

Lead Engineer – Enterprise Logistics Platform Location: Manchester (Hybrid) Reports to: Head of Engineering Team Size: 8 (6 direct reports) About Our Client Our client is a global SaaS leader operating at true enterprise scale, delivering complex, cloud-native software platforms More ❯

Lead Engineer – Enterprise Logistics Platform Location: Manchester (Hybrid) Reports to: Head of Engineering Team Size: 8 (6 direct reports) About Our Client Our client is a global SaaS leader operating at true enterprise scale, delivering complex, cloud-native software platforms More ❯

and scalability, this is your opportunity to make an impact! Your Role: Designing, developing, and maintaining both front-end and back-end components of web and mobile applications using JavaScript, Node.js, and modern frameworks and libraries, with strong Angular JS , and others such as React, or Vue.js. Collaborating with architects and other developers to design robust, scalable, and secure architectures … Staying up to date with the latest industry trends and technologies and drive continuous learning and innovation within the team. Your skills and experience Proven experience in full stack JavaScript development, with a strong focus on Angular JS Experience of at least one leading Node framework (Express.js, Nest.js, Hapi.js) Expertise in at least one modern front-end framework (Nest.js, Remix.js … . Proficiency in HTML5, CSS3, and JavaScript (ES6+). Experience with TypeScript and modern development tools and practices. Experience of Test Driven or Behaviour Driven Development. Knowledge of Cloud development and serverless architectures (AWS, Azure, Google Cloud). Familiarity with CI/CD pipelines and DevOps practices. If you're ready to take the next step in your career and More ❯

and scalability, this is your opportunity to make an impact! Your Role: Designing, developing, and maintaining both front-end and back-end components of web and mobile applications using JavaScript, Node.js, and modern frameworks and libraries, with strong Angular JS , and others such as React, or Vue.js. Collaborating with architects and other developers to design robust, scalable, and secure architectures … Staying up to date with the latest industry trends and technologies and drive continuous learning and innovation within the team. Your skills and experience Proven experience in full stack JavaScript development, with a strong focus on Angular JS Experience of at least one leading Node framework (Express.js, Nest.js, Hapi.js) Expertise in at least one modern front-end framework (Nest.js, Remix.js … . Proficiency in HTML5, CSS3, and JavaScript (ES6+). Experience with TypeScript and modern development tools and practices. Experience of Test Driven or Behaviour Driven Development. Knowledge of Cloud development and serverless architectures (AWS, Azure, Google Cloud). Familiarity with CI/CD pipelines and DevOps practices. If you’re ready to take the next step in your career and More ❯

and scalability, this is your opportunity to make an impact! Your Role: Designing, developing, and maintaining both front-end and back-end components of web and mobile applications using JavaScript, Node.js, and modern frameworks and libraries, with strong Angular JS , and others such as React, or Vue.js. Collaborating with architects and other developers to design robust, scalable, and secure architectures … Staying up to date with the latest industry trends and technologies and drive continuous learning and innovation within the team. Your skills and experience Proven experience in full stack JavaScript development, with a strong focus on Angular JS Experience of at least one leading Node framework (Express.js, Nest.js, Hapi.js) Expertise in at least one modern front-end framework (Nest.js, Remix.js … . Proficiency in HTML5, CSS3, and JavaScript (ES6+). Experience with TypeScript and modern development tools and practices. Experience of Test Driven or Behaviour Driven Development. Knowledge of Cloud development and serverless architectures (AWS, Azure, Google Cloud). Familiarity with CI/CD pipelines and DevOps practices. If you’re ready to take the next step in your career and More ❯

and scalability, this is your opportunity to make an impact! Your Role: Designing, developing, and maintaining both front-end and back-end components of web and mobile applications using JavaScript, Node.js, and modern frameworks and libraries, with strong Angular JS , and others such as React, or Vue.js. Collaborating with architects and other developers to design robust, scalable, and secure architectures … Staying up to date with the latest industry trends and technologies and drive continuous learning and innovation within the team. Your skills and experience Proven experience in full stack JavaScript development, with a strong focus on Angular JS Experience of at least one leading Node framework (Express.js, Nest.js, Hapi.js) Expertise in at least one modern front-end framework (Nest.js, Remix.js … . Proficiency in HTML5, CSS3, and JavaScript (ES6+). Experience with TypeScript and modern development tools and practices. Experience of Test Driven or Behaviour Driven Development. Knowledge of Cloud development and serverless architectures (AWS, Azure, Google Cloud). Familiarity with CI/CD pipelines and DevOps practices. If you’re ready to take the next step in your career and More ❯

and scalability, this is your opportunity to make an impact! Your Role: Designing, developing, and maintaining both front-end and back-end components of web and mobile applications using JavaScript, Node.js, and modern frameworks and libraries, with strong Angular JS , and others such as React, or Vue.js. Collaborating with architects and other developers to design robust, scalable, and secure architectures … Staying up to date with the latest industry trends and technologies and drive continuous learning and innovation within the team. Your skills and experience Proven experience in full stack JavaScript development, with a strong focus on Angular JS Experience of at least one leading Node framework (Express.js, Nest.js, Hapi.js) Expertise in at least one modern front-end framework (Nest.js, Remix.js … . Proficiency in HTML5, CSS3, and JavaScript (ES6+). Experience with TypeScript and modern development tools and practices. Experience of Test Driven or Behaviour Driven Development. Knowledge of Cloud development and serverless architectures (AWS, Azure, Google Cloud). Familiarity with CI/CD pipelines and DevOps practices. If you’re ready to take the next step in your career and More ❯

and scalability, this is your opportunity to make an impact! Your Role: Designing, developing, and maintaining both front-end and back-end components of web and mobile applications using JavaScript, Node.js, and modern frameworks and libraries, with strong Angular JS , and others such as React, or Vue.js. Collaborating with architects and other developers to design robust, scalable, and secure architectures … Staying up to date with the latest industry trends and technologies and drive continuous learning and innovation within the team. Your skills and experience Proven experience in full stack JavaScript development, with a strong focus on Angular JS Experience of at least one leading Node framework (Express.js, Nest.js, Hapi.js) Expertise in at least one modern front-end framework (Nest.js, Remix.js … . Proficiency in HTML5, CSS3, and JavaScript (ES6+). Experience with TypeScript and modern development tools and practices. Experience of Test Driven or Behaviour Driven Development. Knowledge of Cloud development and serverless architectures (AWS, Azure, Google Cloud). Familiarity with CI/CD pipelines and DevOps practices. If you’re ready to take the next step in your career and More ❯

Senior Software Engineer/Developer (Full Stack JavaScript) London to £100k Opportunity to progress your career in a senior, hands-on Software 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, the company has been established … 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 … and the other two work from home. When in the office you can enjoy the onsite gym, barista coffee and free breakfast. About you: You have strong full stack JavaScript development skills and are happy to work on projects that could be weighted either way or a 50/50 split You have experience with JavaScript frameworks they use Vue.js More ❯

Senior Software Engineer/Developer (Full Stack JavaScript) London to £100k Opportunity to progress your career in a senior, hands-on Software 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, the company has been established … 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 … and the other two work from home. When in the office you can enjoy the onsite gym, barista coffee and free breakfast. About you: You have strong full stack JavaScript development skills and are happy to work on projects that could be weighted either way or a 50/50 split You have experience with JavaScript frameworks they use Vue.js More ❯

Senior Software Engineer/Developer (Full Stack JavaScript) London to £100k Opportunity to progress your career in a senior, hands-on Software 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, the company has been established … 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 … and the other two work from home. When in the office you can enjoy the onsite gym, barista coffee and free breakfast. About you: You have strong full stack JavaScript development skills and are happy to work on projects that could be weighted either way or a 50/50 split You have experience with JavaScript frameworks they use Vue.js More ❯

seeking a Java Full Stack Developer with React expertise for a long-term modernization initiative. This position is 60% backend (Java/Spring Boot) and 40% frontend (React/JavaScript), with a focus on UI performance, API integrations, and scalable solutions. You'll collaborate with over 20 teams, modernizing APIs, enhancing UI frameworks, and improving overall system performance. This is … a hands-on development role, ideal for someone who loves coding and building end-to-end applications. What We're Looking For: Strong experience with React.js, JavaScript, and UI frameworks Solid backend development using Java and Spring Boot Expertise in API integration and frontend optimization Practical knowledge of CI/CD pipelines, Jenkins, and Kubernetes Familiarity with Postgres, Cassandra, and … cloud environments (Azure/AWS) Key Responsibilities: Build and optimize frontend applications using React.js, Redux, and JavaScript Design and develop microservices with Java Spring Boot Enhance UI/UX performance, responsiveness, and usability Develop and modernize REST APIs for front-end consumption Support DevOps automation, CI/CD pipelines, and Kubernetes deployments Work closely with cross-functional teams to recommend More ❯

Senior Full Stack Software Developer Tech : AWS, NodeJS, TypeScript, JavaScript, ReactJS, React Native Why? start-up financial services, revolutionising the industry Location : Hybrid - 1/2 days in the office (Central London) Our Client A new UK-based financial services provider is launching credit card, personal loans and insurance offerings aimed at delivering fair, flexible, and user-friendly financial products … similar role with a strong portfolio of projects. Expertise in Node.js and AWS Lambda for serverless backend services. Proficiency in React with Next.js for frontend development. Proficiency in TypeScript, JavaScript and experience with infrastructure as code using Terraform. Ideal experience with React Native Understanding of RESTful APIs and web application architecture. Experience in a start-up environment. Bachelor’s or … Master’s degree in Computer Science, Engineering, or a related field, or equivalent experience. Familiarity with RESTful APIs and mobile libraries for networking. Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model. Experience with automated testing suites, like Jest or Mocha. Excellent problem-solving skills and the ability to think algorithmically. Experience with cloud message APIs and More ❯

Senior Full Stack Software Developer Tech : AWS, NodeJS, TypeScript, JavaScript, ReactJS, React Native Why? start-up financial services, revolutionising the industry Location : Hybrid - 1/2 days in the office (Central London) Our Client A new UK-based financial services provider is launching credit card, personal loans and insurance offerings aimed at delivering fair, flexible, and user-friendly financial products … similar role with a strong portfolio of projects. Expertise in Node.js and AWS Lambda for serverless backend services. Proficiency in React with Next.js for frontend development. Proficiency in TypeScript, JavaScript and experience with infrastructure as code using Terraform. Ideal experience with React Native Understanding of RESTful APIs and web application architecture. Experience in a start-up environment. Bachelor’s or … Master’s degree in Computer Science, Engineering, or a related field, or equivalent experience. Familiarity with RESTful APIs and mobile libraries for networking. Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model. Experience with automated testing suites, like Jest or Mocha. Excellent problem-solving skills and the ability to think algorithmically. Experience with cloud message APIs and More ❯

Senior Full Stack Software Engineer Tech : AWS, NodeJS, TypeScript, JavaScript, ReactJS, React Native Why? start-up financial services, revolutionising the industry Location : Hybrid - 1/2 days in the office (Central London) Our Client A new UK-based financial services provider is launching credit card, personal loans and insurance offerings aimed at delivering fair, flexible, and user-friendly financial products … similar role with a strong portfolio of projects. Expertise in Node.js and AWS Lambda for serverless backend services. Proficiency in React with Next.js for frontend development. Proficiency in TypeScript, JavaScript and experience with infrastructure as code using Terraform. Beneficial experience of React Native Understanding of RESTful APIs and web application architecture. Experience in a start-up environment. Bachelor’s or … Master’s degree in Computer Science, Engineering, or a related field, or equivalent experience. Familiarity with RESTful APIs and mobile libraries for networking. Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model. Experience with automated testing suites, like Jest or Mocha. Excellent problem-solving skills and the ability to think algorithmically. Experience with cloud message APIs and More ❯

Senior Full Stack Software Engineer Tech : AWS, NodeJS, TypeScript, JavaScript, ReactJS, React Native Why? start-up financial services, revolutionising the industry Location : Hybrid - 1/2 days in the office (Central London) Our Client A new UK-based financial services provider is launching credit card, personal loans and insurance offerings aimed at delivering fair, flexible, and user-friendly financial products … similar role with a strong portfolio of projects. Expertise in Node.js and AWS Lambda for serverless backend services. Proficiency in React with Next.js for frontend development. Proficiency in TypeScript, JavaScript and experience with infrastructure as code using Terraform. Beneficial experience of React Native Understanding of RESTful APIs and web application architecture. Experience in a start-up environment. Bachelor’s or … Master’s degree in Computer Science, Engineering, or a related field, or equivalent experience. Familiarity with RESTful APIs and mobile libraries for networking. Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model. Experience with automated testing suites, like Jest or Mocha. Excellent problem-solving skills and the ability to think algorithmically. Experience with cloud message APIs and More ❯

Senior Full Stack Software Developer Tech : AWS, NodeJS, TypeScript, JavaScript, ReactJS, React Native Why? start-up financial services, revolutionising the industry Location : Hybrid - 1/2 days in the office (Central London) Our Client A new UK-based financial services provider is launching credit card, personal loans and insurance offerings aimed at delivering fair, flexible, and user-friendly financial products … similar role with a strong portfolio of projects. Expertise in Node.js and AWS Lambda for serverless backend services. Proficiency in React with Next.js for frontend development. Proficiency in TypeScript, JavaScript and experience with infrastructure as code using Terraform. Ideal experience with React Native Understanding of RESTful APIs and web application architecture. Experience in a start-up environment. Bachelor’s or … Master’s degree in Computer Science, Engineering, or a related field, or equivalent experience. Familiarity with RESTful APIs and mobile libraries for networking. Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model. Experience with automated testing suites, like Jest or Mocha. Excellent problem-solving skills and the ability to think algorithmically. Experience with cloud message APIs and More ❯