401 to 425 of 627 JavaScript Jobs in London

professional environment* Strong background in Computer Science or a related engineering discipline* Expert-level proficiency in one or more programming languages (e.g., JavaScript, Java, Python, Apex)* Extensive hands-on experience building and deploying solutions with AI/LLM technologies, including integrating LLMs, applying advanced AI orchestration frameworks (e.g., LangChain, LlamaIndex ...

development, containerised environments and automated deployment pipelines. Key Responsibilities Design, develop and maintain secure, reliable software applications. Build responsive front-end applications using React, JavaScript and TypeScript. Develop and maintain back-end services using Node.js and Java Spring Boot. Work with Redux to manage application state effectively. Design, build … including sprint planning, stand-ups, reviews and retrospectives. Essential Skills and Experience Commercial software engineering or application development experience. Strong experience with React. Strong JavaScript and/or TypeScript development skills. Experience developing applications or services using Node.js. Experience with Java and Spring Boot. Experience with state-management technologies such ...

seeking an Accessibility Specialist in London, United Kingdom. The role focuses on building test automation frameworks from scratch and requires proficiency in scripting with JavaScript and TypeScript, along with 3+ years of experience. The ideal candidate will have excellent communication skills and the ability to engage effectively with team members ...

tokenization. You will design and maintain scalable solutions while collaborating with product teams. With over 5 years of experience expected, proficiency in TypeScript or JavaScript is essential. This position offers a dynamic and ambitious working environment in London, with significant responsibilities and the chance for impactful work. #J-18808-Ljbffr ...

Senior Backend Engineer London, United Kingdom Posted 9 months ago Technical Stack Node.js Backend JavaScript Contracting period 4 months with possibility to extend. Role Overview We are seeking a Senior Backend Engineer with strong Node.js expertise to design, build, and optimize cloud‐native microservices. You'll work in a fast ...

development team focused on industrial workflow and process management systems. Candidates should have a strong computer science background and experience in technologies like AWS, JavaScript, Node.js, and TypeScript. The compensation for this position ranges from £80,000 to £120,000. #J-18808-Ljbffr ...

that ensure safety and effectiveness in AI usage. The ideal candidate will have over 8 years of experience, strong proficiency in TypeScript and modern JavaScript, and the ability to design and implement scalable architectures. #J-18808-Ljbffr ...

responsible for delivering new features to the AtlasNXT platform while supporting legacy systems. The ideal candidate will have robust experience as a Full Stack JavaScript/PHP Engineer, along with technical leadership skills. Familiarity with Node.js, React/React Native is necessary. Join us to help shape the future ...

development team working on an industrial workflow and process management system. This system enables clients to monitor and proactively manage... Tech stack Amazon AWS JavaScript cloud services Node.js Computer Science TypeScript Backend Compensation: £80K - 120K Role type: Full time Visa sponsorship: Not provided #J-18808-Ljbffr ...

define and ship new features. The ideal candidate has over 10 years of experience in software engineering with a strong focus on React, JavaScript, and TypeScript. The role requires hands-on experience with modern frameworks such as Next.js, ensuring high performance and quality of applications. #J-18808-Ljbffr ...

join their team, working alongside server-side developers and trading teams to deliver important projects. Requirements for React.JS Developers React.JS Developers must have: JavaScript or Typescript expertise Ideally, previous experience with Typescript ReactJS expertise Ability to use ReactJS effectively #J-18808-Ljbffr ...

directly with customers. The ideal candidate has 5+ years of experience in building scalable solutions and a strong background in programming languages such as JavaScript, Java, Python, and Apex. Knowledge of the Salesforce platform is essential for this role. #J-18808-Ljbffr ...

this pivotal role, you will be responsible for writing production-grade code and guiding engineers through mentorship. You should have a strong background in JavaScript and TypeScript, comfortable with API designs and relational databases. This hybrid position demands both technical and managerial skills, emphasizing the development of a healthy engineering ...

Java Script Works is seeking a Technical Architect with expertise in frontend JavaScript to join a renowned wealth management software firm based in South West London. The ideal candidate will have a strong foundation in building and consuming REST APIs, experience with UI technologies like React, Angular ...

technology products within the Commercial & Investment Banking sphere, focusing on innovative software solutions and operational excellence. The ideal candidate will have extensive experience in JavaScript and C# with .NET frameworks, as well as knowledge of responsible AI practices. Join us to push boundaries and work with cutting-edge technologies ...

team of developers, and ensure successful project implementation utilizing agile methodologies. We seek an experienced developer with strong knowledge of technologies like SQL, JavaScript, and AMPscript, alongside excellent communication skills. Join us to make an impact in a multicultural environment where your contributions are valued. #J-18808-Ljbffr ...

modern AI technologies such as RAG, agentic AI, MCP, and vector databases. Proficient in workflow automation tools like Windmill and full-stack technologies like JavaScript/React. Skilled in designing scalable data architectures and working with both structured and unstructured data. How We Work #J-18808-Ljbffr ...

talented team. The ideal candidate should have expert-level skills in front-end development, strong proficiency in back-end technologies, and experience with modern JavaScript frameworks like React. Flexible working conditions, including hybrid options, will be supported. #J-18808-Ljbffr ...

across various UK locations, requiring only 2 days in the office per week. The ideal candidate will have extensive frontend development experience, particularly with Javascript, HTML, and CSS, and familiarity with WCAG standards. The role involves enhancing a performance dashboard used by public sector decision-makers. Offering a contract rate ...

quality, and responsiveness of applications. Requirements The skills and requirements include: 10+ years of work experience in software engineering with React. Experience working with Javascript, Typescript, and modern frameworks and platforms like React.JS, Next.JS. Hands-on experience with React and knowledge of... #J-18808-Ljbffr ...

synchronous and asynchronous systems and integrations Desirable skills: Familiarity with API definitions: Swagger/Open API 3/Shell Scripting/Java/JavaScript/Python/Go If this sounds like a good fit, apply now! eDV Cleared Application Support Engineer £500-£600p/day (Outside IR35) Gloucestershire ...

Engaging with a flat structure that offers clear and achievable progression Requirements Strong proficiency with React as a main language Deep knowledge of modern JavaScript/TypeScript Passion for building systems at extreme scale and performance Experience with cutting‐edge tooling and performance optimisation Ability to solve complex front ...

environments Strong knowledge of REST APIs, HTTP, and SQL Experience working with complex system architectures and integrations Proven troubleshooting and debugging skills Familiarity with JavaScript preferred Degree in Comp Sci or similar field Excellent communication skills, with the ability to translate technical concepts clearly Comfortable managing multiple projects and working ...

Experience Experience Level: Senior-level expertise with a strong background in Platform Engineering rather than strictly feature-based development. Core Technicals: High expertise in JavaScript , which is the primary technical focus and team skill gap (Role is focused more on Frontend). Backend & Data: Comfortable managing backend tasks and general ...

Experience Experience Level: Senior-level expertise with a strong background in Platform Engineering rather than strictly feature-based development. Core Technicals: High expertise in JavaScript , which is the primary technical focus and team skill gap (Role is focused more on Frontend). Backend & Data: Comfortable managing backend tasks and general ...