London, South East, England, United Kingdom Hybrid / WFH Options
Matched Group
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 More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Matched Group
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 More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Matched Group
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 More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Matched Group
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 More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Matched Group
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 More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Matched Group
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 More ❯
Bexhill-On-Sea, East Sussex, South East, United Kingdom Hybrid / WFH Options
Hastings Direct
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 APIs, Java/JVM languages, and relational databases (SQL More ❯
technical requirements for the role are: Must have Strong proficiency in JavaScript/TypeScript-based frontend development, with extensive expertise in React. This includes a deep understanding of the DOM, component design, CSS, and state management. Solid performance and security knowledge: profiling, memoization, code-splitting, tree-shaking, bundle analysis, Core Web Vitals, OAuth2/OIDC, JWT handling, CSRF/XSS More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Safe Intelligence
technical requirements for the role are: Must have Strong proficiency in JavaScript/TypeScript-based frontend development, with extensive expertise in React. This includes a deep understanding of the DOM, component design, CSS, and state management. Solid performance and security knowledge: profiling, memoization, code-splitting, tree-shaking, bundle analysis, Core Web Vitals, OAuth2/OIDC, JWT handling, CSRF/XSS More ❯
london, south east england, united kingdom Hybrid / WFH Options
Safe Intelligence
technical requirements for the role are: Must have Strong proficiency in JavaScript/TypeScript-based frontend development, with extensive expertise in React. This includes a deep understanding of the DOM, component design, CSS, and state management. Solid performance and security knowledge: profiling, memoization, code-splitting, tree-shaking, bundle analysis, Core Web Vitals, OAuth2/OIDC, JWT handling, CSRF/XSS More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Safe Intelligence
technical requirements for the role are: Must have Strong proficiency in JavaScript/TypeScript-based frontend development, with extensive expertise in React. This includes a deep understanding of the DOM, component design, CSS, and state management. Solid performance and security knowledge: profiling, memoization, code-splitting, tree-shaking, bundle analysis, Core Web Vitals, OAuth2/OIDC, JWT handling, CSRF/XSS More ❯
slough, south east england, united kingdom Hybrid / WFH Options
Safe Intelligence
technical requirements for the role are: Must have Strong proficiency in JavaScript/TypeScript-based frontend development, with extensive expertise in React. This includes a deep understanding of the DOM, component design, CSS, and state management. Solid performance and security knowledge: profiling, memoization, code-splitting, tree-shaking, bundle analysis, Core Web Vitals, OAuth2/OIDC, JWT handling, CSRF/XSS More ❯
science or relevant degree - You have experience with API integrations and web scraping tools (BeautifulSoup, Scrapy, Selenium) - You have a strong understanding of data formats (JSON, XML, CSV, HTML DOM manipulation) - You have familiarity with event-driven architectures or streaming (Kafka experience is a plus) - You have a problem-solving mindset – you can handle messy, unreliable data sources and make More ❯
united kingdom, united kingdom Hybrid / WFH Options
Jobgether
TypeScript, including the use of advanced types and interfaces for building type-safe applications Strong command of modern JavaScript (ES6+) with deep understanding of async/await, closures, and DOM APIs Proven experience optimizing web performance with modern build tools and techniques (e.g., Vite, tree-shaking, lazy loading) Strong design sensibility with attention to responsive layouts and user experience best More ❯