methods, and design patterns Manage app state using Redux, Context API, or Zustand Integrate TypeScript for robust, type-safe code Ensure code quality via ESLint, Prettier , and comprehensive testing (Jest, React Testing Library, Detox, or Cypress) Apply WCAG accessibility and security standards for inclusive, compliant experiences Optimize app performance through profiling and tuning Contribute to CI/CD pipelines and More ❯
reputation and long-term investment in technology. Tech Stack React, TypeScript, (core technologies) Integration with Headless CMS (e.g. Contentful) CI/CD pipelines, infrastructure-as-code, automated testing (Node, Jest, React Testing Library, SonarCloud, NPM) Exposure to Cloud environments and secure API-driven architectures What You'll do Design and develop new components and features for key user interfaces Expand More ❯
Nottingham, Nottinghamshire, East Midlands, United Kingdom Hybrid / WFH Options
Experian Ltd
inclusive design principles. Abillity to lead cross-functional teams and mentor developers Experience translating design language into reusable code components. Experience with CI/CD pipelines, testing frameworks (e.g., Jest, Playwright), and performance monitoring Additional Information Benefits package includes: Hybrid working Great compensation package and discretionary bonus Core benefits include pension, bupa healthcare, sharesave scheme and more 25 days annual More ❯
within the role. Technology We're pragmatic about our technology choices. These are some of the things we use now: Python, NodeJS TypeScript, React,styled components ️ PostgreSQL, BigQuery, MySQL Jest, React Testing Library, Cypress, pytest ️ AWS, GCP Docker, Terraform, GitHub, CircleCI How we expect you to work ️ We expect you to work in these ways, as well as encouraging and More ❯
Step Functions, Apigee) Proficiency in Java (Springboot), AngularJS, Jenkins, Node 10, Groovy, Bash, Typescript. Tooling: Gitlab, Jenkins, CloudFormation, Maven, Docker, Fortify on Demand, SonarQube Knowledge of Karate, Gherkin, Cypress, Jest Understanding of DevOps practices. Ability to design and implement secure systems. Experience with automation and integration tools. Knowledge of service support and fault resolution More ❯
bradford, yorkshire and the humber, united kingdom
Mastek
Step Functions, Apigee) Proficiency in Java (Springboot), AngularJS, Jenkins, Node 10, Groovy, Bash, Typescript. Tooling: Gitlab, Jenkins, CloudFormation, Maven, Docker, Fortify on Demand, SonarQube Knowledge of Karate, Gherkin, Cypress, Jest Understanding of DevOps practices. Ability to design and implement secure systems. Experience with automation and integration tools. Knowledge of service support and fault resolution More ❯
in AWS . Strong understanding of API integration and data flow between backend and frontend. Solid grasp of SQL and data handling within the UI. Experience with testing frameworks (Jest, Cypress, React Testing Library). (Bonus) Familiarity with data visualisation libraries. (Bonus) Previous experience in data-heavy systems or B2B SaaS Key Responsibilities: Develop and maintain responsive frontend applications using More ❯
training and personal development. Technical Skills: HTML CSS TypeScript React JavaScript object model JavaScript preprocessors eg webpack, Rollup, Babel SCSS/LESS Knowledge of performance testing frameworks Mocha and Jest The company offers a competitive salary, exposure to new technology, career progression and a great working environment with a talented team. Interviews are being held within the next couple of More ❯
Help us continually improve our engineering processes, tools, and ways of working. Youll work across our modern, TypeScript-based stack: Frontend : React (Next.js), GraphQL (Apollo), TypeScript Testing : Cypress + Jest What Were Looking For Youll be a great fit if you: Have 7+ yearsxperience in software engineering, with significant experience in frontend technologies but comfortable working full-stack. Are highly More ❯
Newcastle upon Tyne, Tyne and Wear, Tyne & Wear, United Kingdom
Harvey Nash
Responsibilities: Expert knowledge of HTML, CSS and JavaScript Experience developing front end applications using modern JavaScript frameworks like; React, Vue, Svelte Familiarity with writing unit tests using frameworks like Jest Experience working with APIs and integrating back end data If you're detail-oriented, passionate about technology and looking for a role where your work truly matters, we would love More ❯
frontend technologies. Always looking at latest tech, they're utilising Bun so any experience of this would be useful.The tech stack includes JavaScript/Node.js Bun Express/Nest.js Jest GCP Terraform Docker & compose React Kuberbetes Writing good quality code is the focus of this role, working on a hybrid basis with 3 days a week in their new office More ❯
attention to detail Collaborative approach with cross-functional teams Bonus Skills Familiarity with Python/Django and API integration Experience with HubSpot , Payload CMS , or embedded workflows Testing skills (Jest, RTL) and accessibility best practices Exposure to Figma , CI/CD , or Shopify Perks Based in Leeds LS11 (Full time office based) Competitive salary Work on meaningful, user-facing products More ❯
bradford, yorkshire and the humber, united kingdom
YDS Group
attention to detail Collaborative approach with cross-functional teams Bonus Skills Familiarity with Python/Django and API integration Experience with HubSpot , Payload CMS , or embedded workflows Testing skills (Jest, RTL) and accessibility best practices Exposure to Figma , CI/CD , or Shopify Perks Based in Leeds LS11 (Full time office based) Competitive salary Work on meaningful, user-facing products More ❯
Warrington, Cheshire, United Kingdom Hybrid / WFH Options
Tec Partners
experience Strong commercial experience with React and TypeScript Familiarity with Vite, Next.js, or other modern build tools Comfortable with component libraries and design systems Proficient in testing frameworks (e.g. Jest, React Testing Library) Good understanding of performance optimisation and accessibility best practices The ideal candidate will be proactive, collaborative, and keen to influence both tech and product direction. If you More ❯
Native) and back-end (Node.js/REST/GraphQL) systems Strong understanding of software QA methodologies, tools, and processes Experience writing automated tests with frameworks such as Playwright, Cypress, Jest, or similar Familiarity with CI/CD pipelines and integrating automated tests into deployment workflows Comfortable using tools like Postman, GitHub, and Linear (or similar issue trackers) Excellent attention to More ❯
Native) and back-end (Node.js/REST/GraphQL) systems Strong understanding of software QA methodologies, tools, and processes Experience writing automated tests with frameworks such as Playwright, Cypress, Jest, or similar Familiarity with CI/CD pipelines and integrating automated tests into deployment workflows Comfortable using tools like Postman, GitHub, and Linear (or similar issue trackers) Excellent attention to More ❯
Birmingham, West Midlands, England, United Kingdom
Erin Associates
development using Node.js. Experience working with C# in enterprise environments. Familiarity with cloud computing, infrastructure as code, and CI/CD pipelines. Experience with automated testing tools such as Jest or Vitest Comfortable using Azure DevOPs The Senior Developer will be joining a friendly, agile, and innovative team, based in Birmingham where you will play an integral role in the … development of data-rich, user-friendly applications Keywords: Senior Software Engineer, Fullstack Developer, Node.js, React, TypeScript, C#, REST API, NextJS, Jest, Vitest, CI/CD, Azure DevOPs, Birmingham, West Midlands, Full Stack Engineer, Software Developer Erin Associates Ltd is acting as an Employment Agency in relation to this vacancy. More ❯
Birmingham, West Midlands, United Kingdom Hybrid / WFH Options
Erin Associates
development using Node.js. Experience working with C# in enterprise environments. Familiarity with cloud computing, infrastructure as code, and CI/CD pipelines. Experience with automated testing tools such as Jest or Vitest Comfortable using Azure DevOPs The Senior Developer will be joining a friendly, agile, and innovative team, based in Birmingham where you will play an integral role in the … development of data-rich, user-friendly applications Keywords: Senior Software Engineer, Fullstack Developer, Node.js, React, TypeScript, C#, REST API, NextJS, Jest, Vitest, CI/CD, Azure DevOPs, Birmingham, West Midlands, Full Stack Engineer, Software Developer Erin Associates Ltd is acting as an Employment Agency in relation to this vacancy. More ❯
Birmingham, West Midlands, England, United Kingdom
Erin Associates
development using Node.js. Experience working with C# in enterprise environments. Familiarity with cloud computing, infrastructure as code, and CI/CD pipelines. Experience with automated testing tools such as Jest or Vitest Comfortable using Azure DevOPs The Senior Developer will be joining a friendly, agile, and innovative team, based in Birmingham where you will play an integral role in the … development of data-rich, user-friendly applications Keywords: Senior Software Engineer, Fullstack Developer, Node.js, React, TypeScript, C#, REST API, NextJS, Jest, Vitest, CI/CD, Azure DevOPs, Birmingham, West MidlandsErin Associates Ltd is acting as an Employment Agency in relation to this vacancy. More ❯
Birmingham, West Midlands, United Kingdom Hybrid / WFH Options
Erin Associates
development using Node.js. Experience working with C# in enterprise environments. Familiarity with cloud computing, infrastructure as code, and CI/CD pipelines. Experience with automated testing tools such as Jest or Vitest Comfortable using Azure DevOPs The Senior Developer will be joining a friendly, agile, and innovative team, based in Birmingham where you will play an integral role in the … development of data-rich, user-friendly applications Keywords: Senior Software Engineer, Fullstack Developer, Node.js, React, TypeScript, C#, REST API, NextJS, Jest, Vitest, CI/CD, Azure DevOPs, Birmingham, West Midlands Erin Associates Ltd is acting as an Employment Agency in relation to this vacancy. More ❯
along with a strong understanding of component-based architecture, state management (e.g., Redux, Zustand, or Recoil), and front-end performance optimization. Experience with RESTful APIs, GraphQL, and testing frameworks (Jest, React Testing Library, Cypress) is highly desirable. You should be comfortable mentoring junior engineers, conducting code reviews, and helping the team adopt scalable, maintainable practices. This role offers an exciting … management libraries (Redux, Zustand, Recoil, or similar), and responsive design. Familiarity with RESTful APIs, GraphQL , and integrating frontend applications with backend services. Hands-on experience with frontend testing frameworks (Jest, React Testing Library, Cypress) and ensuring high-quality, maintainable code. Knowledge of performance optimization, accessibility (WCAG), and cross-browser compatibility best practices. Strong collaboration skills, able to mentor junior engineers More ❯
along with a strong understanding of component-based architecture, state management (e.g., Redux, Zustand, or Recoil), and front-end performance optimization. Experience with RESTful APIs, GraphQL, and testing frameworks (Jest, React Testing Library, Cypress) is highly desirable. You should be comfortable mentoring junior engineers, conducting code reviews, and helping the team adopt scalable, maintainable practices. This role offers an exciting … management libraries (Redux, Zustand, Recoil, or similar), and responsive design. Familiarity with RESTful APIs, GraphQL , and integrating frontend applications with backend services. Hands-on experience with frontend testing frameworks (Jest, React Testing Library, Cypress) and ensuring high-quality, maintainable code. Knowledge of performance optimization, accessibility (WCAG), and cross-browser compatibility best practices. Strong collaboration skills, able to mentor junior engineers More ❯
Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions More ❯
