to cloud platforms such as AWS and Azure. Key Skills and Experience: Essential: Strong front-end development experience using HTML, CSS, JavaScript, ReactJS, and Redux Proven back-end experience with Java, Spring Boot, JPA, Hibernate, Microservices Solid database experience with SQL (preferably MS SQL) Familiarity with test-driven development and More ❯
SaaS environment. Experience leading a Software Engineering Team. Relevant hands-on experience with the following technologies: Git, NodeJS , CSS, HTML, jQuery, Javascript, React, Typescript , Redux, MongoDB , AWS - (MERN stack). Strong understanding of software architecture and design principles. Experience with continuous integration and continuous delivery (CI/CD) pipelines. Knowledge More ❯
commercial development experience Deep expertise in React.js for high-performance web applications Solid grounding in JavaScript (ES6+), TypeScript, HTML5, CSS3, and modern UI architectures (Redux, Context API) Strong server-side skills ideally in Java and/or Python Experience with SQL and working with relational databases Familiarity with cloud services More ❯
team-oriented environment. A passion for problem-solving, optimization, and writing high-quality, maintainable code. Nice to Have: Experience with state management libraries like Redux or React Context. Familiarity with server-side rendering (SSR) and frameworks like Next.js. Understanding of CI/CD pipelines and automated deployment processes. Experience in More ❯
london, south east england, United Kingdom Hybrid / WFH Options
Halian
team-oriented environment. A passion for problem-solving, optimization, and writing high-quality, maintainable code. Nice to Have: Experience with state management libraries like Redux or React Context. Familiarity with server-side rendering (SSR) and frameworks like Next.js. Understanding of CI/CD pipelines and automated deployment processes. Experience in More ❯
Must have AB testing experience. Qualifications Minimum 5 years' development experience with React or React based frameworks such as Next.JS, JavaScript (ES6+), TypeScript, Node.JS, Redux, Express and SCSS/Styled components. Experience at a Senior level an advantage but not essential. Development experience working with a Microservice architecture consuming REST More ❯
Be curious about protein synthesis. Essential You should have experience with the following languages, tools and methodologies: React with state management libraries such as Redux Typescript or Flow typing and modern ES6 javascript HTML and CSS Webpack Version control with Git Unit testing with Jest, React testing library or similar More ❯
conducting deploys, and resolving production issues Provide architectural oversight and mentoring of junior developers Technologies We Use Front End Languages & Frameworks: Javascript, Typescript, React, Redux, jQuery, BackBone Other Languages & Frameworks: Java, Groovy, Spring Boot, SQL Server, PostgreSQL DevOps & Tools: AWS, Git, GitLab CI Qualifications Must haves: 5+ years of hands More ❯
degree in a STEM-related subject. At least six years of commercial frontend development experience. Proven experience with JavaScript, TypeScript and React. Proficiency in Redux, HTML, and CSS. GraphQL experience. Demonstrable experience in building large-scale, data-driven platforms. What the client can offer the Senior Frontend Developer: An opportunity More ❯
Open to also working in Python and React (even if not experienced in these) Desirable: Experience in trading or finance domain React experience including Redux Python experience SQL query optimisation Docker Experience in deploying/troubleshooting applications specifically in a Microsoft Azure environment (including SQL Azure, Web Apps, Service Bus More ❯
met in all deliverables. Contribute to the evolution of our development stack, testing strategy, and CI/CD processes. Strong proficiency in ES6+, React, Redux, Node.js , and related front-end technologies. Experience with RESTful APIs, JSON, WebSockets , and asynchronous programming. Solid understanding of testing frameworks (e.g., Jest, Mocha, Cypress). More ❯
testing, and operational stability Proficient in coding in one or more languages such as Java, React JS Proficient in front-end components using React.js, Redux, and TypeScript, ensuring a seamless and intuitive user experience. Experience in developing, debugging, and maintaining code in a large corporate environment with one or more More ❯
C++, or an interpreted language such as Python, and experience with concurrency and memory management. Responsive web development, with professional React/Angular/Redux experience and advanced JavaScript proficiency. NoSQL databases such as MongoDB and Elastic Search. Preferred Qualifications Knowledge or interest in trading technologies in the front-office More ❯
frontend development, building dynamic and responsive web applications Demonstrated fluency with TypeScript, React and frameworks such as NextJS Familiarity with state management libraries (Zustand, Redux, MobX etc.) Experience working with GraphQL/REST APIs Knowledge of the web platform, including HTML, CSS and Browser APIs Experience with the testing pyramid More ❯
london, south east england, United Kingdom Hybrid / WFH Options
Travelex
frontend development, building dynamic and responsive web applications Demonstrated fluency with TypeScript, React and frameworks such as NextJS Familiarity with state management libraries (Zustand, Redux, MobX etc.) Experience working with GraphQL/REST APIs Knowledge of the web platform, including HTML, CSS and Browser APIs Experience with the testing pyramid More ❯
oriented applications Professional experience with UI/UX design (we use Figma for designs) Professional experience working with AG-Grid Professional experience working with Redux Professional experience working with Git, Git Flow Knowledge of CSS preprocessors, (eg. SASS/LESS/CSS-in-JS/Tailwind) Experience testing with Jest More ❯
Manchester, Lancashire, United Kingdom Hybrid / WFH Options
iO Associates
frontend best practices and future team structure Collaborating with the Head of Dev + external consultancy partners Tech Stack: Frontend: JavaScript (ES6+), React, Next.js, Redux/Context API, TypeScript Backend: Node.js, Express.js, REST APIs/GraphQL DevOps: AWS (Lambda, S3, API Gateway), Docker, CI/CD (GitHub Actions or similar More ❯
Manchester, Lancashire, United Kingdom Hybrid / WFH Options
iO Associates
who's still hands-on but also keen to shape the future of a fast-scaling product. Tech Stack: Frontend: JavaScript (ES6+), React, Next.js, Redux/Context API, TypeScript Backend: Node.js, Express.js, REST APIs/GraphQL DevOps: AWS (Lambda, S3, API Gateway), Docker, CI/CD (GitHub Actions or similar More ❯
Leeds, West Yorkshire, Yorkshire, United Kingdom Hybrid / WFH Options
Circle Group
ll Bring: 4+ years of hands-on React experience. Strong command of TypeScript and modern JavaScript (ES6+). Know your way around state management (Redux or Context API). React Native experience? Even better! AWS knowledge (Lambda, S3) is a nice-to-have. Git mastery and familiarity with CI/ More ❯
front-end framework (React preferred). Proven experience in building and maintaining responsive and accessible interfaces at scale. Familiarity with state management libraries (e.g., Redux, Zustand) and component-based architectures. Experience with design systems and tools such as Figma or Storybook. Solid understanding of web performance optimisation, testing (unit, integration More ❯
Testing frameworks such as Cypress, Jest and Enzyme/RTL. Additional experience with the following will also be of interest: Practical experience in Node.JS, Redux, Express. Experience mentoring or knowledge sharing in a professional capacity. Experience working with AB testing Technologies (we use Conductrics but experience with other equivalent tools More ❯
by ensuring smooth system implementation, training, and ongoing maintenance. Your success will be grounded by Strong background in integrating service APIs, managing application states (Redux, RTK query), and utilising authentication flows like OAuth 2.0. Hands-on experience in deployment, testing, validation, and producing technical proposals for front-end application delivery. More ❯
to learn new technologies and challenge existing tools, methodologies, and processes Our ideal candidate has: Experience working on modern Javascript UI applications (React/Redux are preferred) and Node.js APIs, ideally using Typescript A basic understanding of different non-functional requirements (e.g. scalability, reliability, performance) and how to factor in More ❯
