51 to 75 of 613 JavaScript Jobs in London

sprint planning, and retrospectives Monitor and troubleshoot production systems; respond to incidents when needed Required Skills & Experience: 3 years of professional software engineering experience Strong proficiency with Node.js and JavaScript/TypeScript Solid experience building frontend applications with React.js Experience with AWS (at least EC2, Lambda, DynamoDB, CloudWatch) Familiarity with containerization (Docker) and infrastructure-as-code (e.g., Terraform or AWS More ❯

analytics tracking code using Tealium iQ, Tealium Event Stream, and Adobe Analytics Experience of integrating data sources via web and hypermedia APIs Proficient in Web Technologies like HTML, CSS, JavaScript, React.js, Next.js and Node.js, and in event-driven and eventual consistency systems using Kafka, .Net, Java, REST APIs, AWS, Terraform and DevOps Nice to have:experience in data pipping and More ❯

backend systems in a production environment. 3+ years of hands-on experience with modern software architecture and scalable frameworks. Proficiency in Java (Spring Boot), Python, or similar. Proficiency in JavaScript/TypeScript with frameworks like React (preferred), Angular, Vue, or similar. Solid understanding of scalable, service-oriented architectures in a cloud or hybrid setting. Experience with PostgreSQL and/or More ❯

services and implement optimisations to improve build times, system uptime, and deployment frequency. Preferred Skills and Experience: Programming Proficiency: Proficient in one or more programming languages (e.g., Python, Java, JavaScript, Go, C#, etc.). CI/CD Tools: Experience with CI/CD tools such as Gitlab and Jenkins. Cloud Platforms: Familiarity with cloud platforms like Azure and AWS. Monitoring More ❯

development and hands-on experience using Microsoft technologies stack At least 5+ years of hands-on experience with Microsoft .NET technologies and SQL Server Proficiency in C# .NET, React, JavaScript, GraphQL, HTTP, REST, and SOAP, Azure Possess in-depth understanding of the multi-tiers application, serverless architecture, cloud computing, and database design. Proficiency in modern UI state management modular development. More ❯

a real impact. Key Requirements: 3+ years in software engineering with a strong product mindset Experience working closely with product teams and designing for real users Strong frontend skills (JavaScript/Typescript, React/Angular, HTML) and backend expertise (Node.js, Python) Proven experience in API design and system integration Proficiency with Microsoft Azure and familiarity with databases, IAM, containers, and More ❯

Professional attitude (self-starter, ability to work with minimal supervision and in a team as required, ability to meet deadlines) Strong communication skills Experience of MS Azure Typescript/JavaScript and associated web technologies with knowledge of React (preferable) or Angular Experience with a NoSQL database, preferably MongoDB Platform tools such as: Octopus Deploy, Team City, Kubernetes/Docker Compensation More ❯

integration with LLMs and hybrid AI systems Participate in architecture discussions, code reviews, and agile ceremonies What We’re Looking For: Strong experience in full-stack development Proficient in JavaScript/TypeScript, Node.js, React Good experience with Go Skilled in Kubernetes, containerisation, cloud infrastructure (AWS or similar) Familiarity with CI/CD, Terraform, and Infrastructure as Code A problem-solver More ❯

and understanding stakeholders on their request and work in an environment with some levels of governance Must have: Web applications expertise using modern web technologies (e.g. CSS, HTML, HTML5, JavaScript, jQuery). Knowledge in UX design principles and ability to apply them when building applications/solutions. Knowledge in database modelling and SQL programming (e.g. joins, count, group by, indexes More ❯

and understanding stakeholders on their request and work in an environment with some levels of governance Must have: Web applications expertise using modern web technologies (e.g. CSS, HTML, HTML5, JavaScript, jQuery). Knowledge in UX design principles and ability to apply them when building applications/solutions. Knowledge in database modelling and SQL programming (e.g. joins, count, group by, indexes More ❯

and understanding stakeholders on their request and work in an environment with some levels of governance Must have: Web applications expertise using modern web technologies (e.g. CSS, HTML, HTML5, JavaScript, jQuery). Knowledge in UX design principles and ability to apply them when building applications/solutions. Knowledge in database modelling and SQL programming (e.g. joins, count, group by, indexes More ❯

strategic advantage. You'll work alongside a talented team contributing ideas, collaborating with designers and prototyping new features. There's a modern tech stack, you'll be mainly using JavaScript/TypeScript and React but will be able to pick new technologies and skills up on the job. Location/WFH: You'll be joining a friendly and supportive team More ❯

all aspects of the development lifecycle, from requirements gathering to deployment and monitoring. What we're looking for 4+ years work experience with back-end applications Solid understanding of Javascript Familiarity with Node.js Experience with TypeScript Good knowledge of web architecture (URIs, HTTP, Caching, etc) Proficiency in Git version control Familiarity with UNIX terminal Excellent knowledge of English language (verbal More ❯

and contributing directly to increased website traffic and conversions. What We're Looking For: Essential Skills & Experience: 2+ years of commercial experience using PHP and WordPress. Strong understanding of JavaScript, HTML, and CSS. Experience with React and/or similar frameworks (Next.js is a significant advantage!). Proficiency in SQL. Experience with Git for version control. Good understanding of on More ❯

and contributing directly to increased website traffic and conversions. What We're Looking For: Essential Skills & Experience: 2+ years of commercial experience using PHP and WordPress. Strong understanding of JavaScript, HTML, and CSS. Experience with React and/or similar frameworks (Next.js is a significant advantage!). Proficiency in SQL. Experience with Git for version control. Good understanding of on More ❯

applied science, engineering, and model development * Strong object-oriented programming skills * Excellent communication and teamwork abilities * Self-motivated, organised, and eager to learn Desirable Skills: * ASP.NET Core (including Blazor) * JavaScript/TypeScript (especially React) * 3D data manipulation * Interest in machine learning and data science * Experience with CI/CD and Infrastructure as Code (IaC) * Familiarity with cloud platforms (Azure, AWS More ❯

for SC clearance. Proven leadership in QA/testing roles, with experience guiding teams and managing delivery in Agile environments (SCRUM, Kanban). Strong programming skills in Java, C#, JavaScript/TypeScript, or similar. Deep expertise in test automation frameworks such as Selenium, Playwright, Cypress, or RestAssured. Experience with integration testing, test strategy, and test architecture at the project or More ❯

for SC clearance. Proven leadership in QA/testing roles, with experience guiding teams and managing delivery in Agile environments (SCRUM, Kanban). Strong programming skills in Java, C#, JavaScript/TypeScript, or similar. Deep expertise in test automation frameworks such as Selenium, Playwright, Cypress, or RestAssured. Experience with integration testing, test strategy, and test architecture at the project or More ❯

in a React-based context A strong attention to detail, and a passion for creating frictionless and aesthetically satisfying user interfaces Exceptional technical foundations in the following programming languages: JavaScript, HTML, CSS, TypeScript Deep understanding of real-time data processing and its integration into third party visualization libraries Deep understanding of the proper use of state management libraries such as More ❯

and stretch boundaries. Skills and Competencies To have an excellent knowledge of ReactJS Good cross browser testing tools (eg. BrowserStack) Strong background in software development. Excellent knowledge of HTML5, JavaScript, CSS and SASS. Knowledge of state management frameworks (e.g. Redux, Flux, VueX, Realm) Appreciation of React design patterns and understanding of their use Familiarity with Front end unit testing tools More ❯

Thorough understanding of the software development lifecycle, from conception to deployment. Capable of conceptualizing and implementing software architectures spanning multiple technologies and platforms. Technology stack: Python Flask Java Spring JavaScript BigQuery Redis ElasticSearch Airflow Google Cloud Platform Kubernetes Docker Voted "Best Places to Work," our culture is driven by self-starters, team players, and visionaries. Headquartered in Los Angeles, California More ❯

record of successfully contributing to the development and delivery of software applications Proficiency in one or more programming languages commonly used in the tech stack (e.g., TypeScript, Java, Python, JavaScript, C#) Understanding of software architecture, design patterns, and best practices Experience with version control systems (e.g., Git) Working knowledge of Agile Good working knowledge of relevant technologies and concepts including More ❯

ability and enthusiasm to learn new technologies quickly. Desirable Skills: • Experience of systems engineering and systems integration. • Experience of contributing to bids/proposals. • Front-end development expertise with JavaScript and the REACT/MaterialUI framework. Together, as owners, let's turn meaningful insights into action. Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you'll More ❯

developers, support, and front-office in the course of service delivery. Required Skills Science/Engineering Degree Experience with C#, .NET core (UI & server), WPF/React/Angular, JavaScript/TypeScript Development and technical guidance experience in complex UI application development with a background in multi-threaded implementation and low-latency messaging Experience with Multi-threading, low latency, high More ❯

functional teams: Work closely with designers, product managers, and other developers to create seamless user experiences. Implement front-end solutions: Create responsive and interactive user interfaces using HTML, CSS, JavaScript, and front-end frameworks such as React, Angular, or Vue.js and TypeScript Develop back-end services: Build and maintain server-side logic, databases, and APIs using Spring and Java Experience … Qualifications: Bachelor's degree in Computer Science, Engineering, or a related field. Proven experience as a Full Stack Developer or similar role. Proficiency in front-end technologies: HTML, CSS, JavaScript, and front-end frameworks (React must, Angular, Vue.js). Strong back-end development skills: Experience with server-side languages and frameworks (Java and Node.js must, Python, Ruby on Rails). More ❯