Experience collaborating with backend technology teams in designing scalable and reusable RESTful APIs. Preferred Qualifications, Capabilities, and Skills Exposure to frontend libraries such as Redux and Typescript. Knowledge of modern software architecture patterns and ability to choose suitable technologies for long-term goals. Exposure to performance tuning complex UIs and 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 ❯
like Jest, Cypress, Material UI. o Experience with HTML, CSS, and writing cross-browser-compatible code. o Experience with popular ReactJS workflows (such as Redux or MobX) o Experience writing unit tests using JavaScript testing frameworks o Good understanding of browser rendering behavior and performance optimization 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 ❯
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 ❯
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 ❯
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 ❯
like Jest, Cypress, Material UI o Experience with HTML, CSS, and writing cross-browser-compatible code o Experience with popular ReactJS workflows (such as Redux or MobX) o Experience writing unit tests using JavaScript testing frameworks o Good understanding of browser rendering behavior and performance optimization More ❯
implementations Apply functional programming and optimize performance Collaborate across teams to ensure a seamless product Required Skills & Experience: Strong expertise in TypeScript, React, GraphQL, Redux, and CSS-in-JS Familiarity with the React reconciliation process and browser debugging tools Experience in functional programming and Jest for testing Bonus Experience: Knowledge More ❯
line with the department technical strategy - performant, resilient, secure and well monitored and alerted web applications Required Experience: Solid commercial experience in React/Redux development Good understanding of development best practices such as TDD, continuous integration and continuous delivery Good understanding of/experience with CI tools (Jenkins, Concourse More ❯
implementations Apply functional programming and optimize performance Collaborate across teams to ensure a seamless product Required Skills & Experience: Strong expertise in TypeScript, React, GraphQL, Redux, and CSS-in-JS Familiarity with the React reconciliation process and browser debugging tools Experience in functional programming and Jest for testing Bonus Experience: Knowledge More ❯
line with the department technical strategy - performant, resilient, secure and well monitored and alerted web applications Required Experience: Solid commercial experience in React/Redux development Good understanding of development best practices such as TDD, continuous integration and continuous delivery Good understanding of/experience with CI tools (Jenkins, Concourse More ❯
R with Jupyter and Azure DataBricks Postgres (and Timescale), Redis, document and column-based storage engines RabbitMQ and Kafka-style commit logs Dapr React, Redux, React-Router, Styled-Components, Express, TRPC GraphQL, MQTT However, the ideal candidate will have experience in Golang, Azure or AWS, Git, modern database technologies such More ❯
Employment Type: Permanent
Salary: £75000 - £100000/annum Up to £100k basic + excellent benef
Leeds, West Yorkshire, Yorkshire, United Kingdom Hybrid / WFH Options
Exalto Consulting ltd
R with Jupyter and Azure DataBricks Postgres (and Timescale), Redis, document and column-based storage engines RabbitMQ and Kafka-style commit logs Dapr React, Redux, React-Router, Styled-Components, Express, TRPC GraphQL, MQTT However, the ideal candidate will have experience in Golang, Azure or AWS, Git, modern database technologies such 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 ❯
practices Ability to work in large, collaborative teams to achieve organizational goals Preferred qualifications, capabilities, and skills Experience with any of the following:, Jenkins, Redux, Traform, Kubernetes, Spinnaker, Jasmine, Jest, Cypress AWS certification Exposure to cloud technologies Passionate about innovation and automation About the Team J.P. Morgan is a global More ❯
Manchester, Lancashire, United Kingdom Hybrid / WFH Options
Dept
Good knowledge of TypeScript Comfortable with API integrations and creating microservices Strong knowledge of React Good knowledge of a React State Management such as Redux/Mobx Good knowledge with Git Understand of Agile methodology, TDD and best practices of the development process Ability to hand code standards-compliant code More ❯