76 to 100 of 900 JavaScript Jobs in London

own the full stack, from development to deployment and monitoring. Contribute to disaster recovery planning and execution Skills Required Strong experience with TypeScript/JavaScript and the Node.js ecosystem Knowledge of schema-based and schema-less databases. Including strong SQL. Experience designing and troubleshooting large-scale distributed systems Experience in More ❯

Mentorship: Coach and mentor junior team members, fostering a culture of knowledge sharing and collaboration. Knowledge & Experience: Front-End Technologies: Extensive experience with React, JavaScript, HTML, and CSS for building cutting-edge web-based user interfaces. Testing Expertise: Proficient in test-driven development and test automation frameworks/tools. Agile More ❯

React or similar technologies Demonstrated ability to own and complete projects independently, managing both backend and frontend development Strong command of TypeScript and modern JavaScript best practices Hands-on experience with modern frontend technologies like React, Next.js, or equivalents Deep knowledge of relational databases, especially PostgreSQL Technical Skills Proficiency in More ❯

React or similar technologies Demonstrated ability to own and complete projects independently, managing both backend and frontend development Strong command of TypeScript and modern JavaScript best practices Hands-on experience with modern frontend technologies like React, Next.js, or equivalents Deep knowledge of relational databases, especially PostgreSQL Technical Skills Proficiency in More ❯

Azure/Google ecosystems helpful but not required • Strong familiarity with general modern web and mobile application development, including hands-on experience working with JavaScript (Typescript preferred) and Python stacks • Cross functional team collaboration experience, especially working with engineers and user experience/product designers, as well as external stakeholders More ❯

server-side in Python3. Job requirements What we’re looking for: Requirements STEM Degree Very strong experience with Python Experience with Fullstack Development – using JavaScript & React Experience with PostgreSQL/other SQL Databases Desirable skills: Experience with Flask or similar framework Experience with Docker Experience with Cloud (Ideally AWS) Experience More ❯

server-side in Python3. Job requirements What we’re looking for: Requirements STEM Degree Very strong experience with Python Experience with Fullstack Development – using JavaScript & React Experience with PostgreSQL/other SQL Databases Desirable skills: Experience with Flask or similar framework Experience with Docker Experience with Cloud (Ideally AWS) Experience More ❯

Engineering, or equivalent experience. Minimum 5 years of hands-on experience in building reactive Single-Page Web Applications. Experience with several of the following Javascript application frameworks like Nuxt and Vue Infrastructure as Code (IaC) tools like CloudFormation and Terraform CI/CD tools like Jenkins, Cloudbees, and Harness Building More ❯

a fast-paced startup or scale-up environment. Strong technical expertise in software development, with proficiency in one or more programming languages (e.g., Python, JavaScript, Java, etc.). Solid understanding of modern software development methodologies, tools, and practices, including Agile/Scrum, CI/CD, and DevOps. Demonstrated ability to More ❯

a fast-paced startup or scale-up environment. Strong technical expertise in software development, with proficiency in one or more programming languages (e.g., Python, JavaScript, Java, etc.). Solid understanding of modern software development methodologies, tools, and practices, including Agile/Scrum, CI/CD, and DevOps. Demonstrated ability to More ❯

and providing technical guidance. Strong communication skills to bridge technical and non-technical stakeholders. Deep knowledge of front end technology and architecture (HTML, CSS, JavaScript, TypeScript, React, Next.js). Experience with Agile/Scrum processes and ability to operate in ambiguity. Passion for learning and professional growth. Nice to Have More ❯

terms of the stack you've worked with, but you should be prepared to undertake our pair-programming stage of the interview process in Javascript or Typescript and be assessed on that basis. We're also open to folks who fall more heavily on the front-or-back-end side More ❯

customers Strong frontend skills with React and component-based architecture Experience with modern UI libraries (Shadcn UI, Tailwind CSS, or similar) Solid foundation in JavaScript/TypeScript and CSS Working knowledge of Python for backend development Experience building and consuming RESTful APIs Commitment to writing clean, maintainable, and well-tested More ❯

some exposure to this! Key skills: Developed vetting clearance Essential Experience building microservices with Java Spring Boot and NodeJS will be a bonus Some JavaScript/Typescript experience ideally React, HTML and CSS AWS or Azure Experience with CI/CD (Gitlab, GitHub, Jenkins) Any experience building solutions that integrate More ❯

and technologies. Azure Logic Apps: Configure and integrate Azure Logic Apps to enable seamless workflows and business process automation. Proficiency in Coding Languages: JSON, JavaScript, PowerShell & C#. Azure Security: Implement and adhere to best practices in Azure security, including identity management, access control, and threat protection. Front-End Development: Build More ❯

Senior Software Engineer London, UK - Fully Onsite Key Technologies: Java, JavaScript, React, Docker, Kubernetes Perm Role | £80,000 - £110,000 Harrington Starr has partnered with a leading financial institution on a mission to transform investment banking through cutting-edge technology. Their Investment Banking Middle Office Technology team plays a crucial More ❯

delivery · Improve ways of working and overall outputs of the software Essential Requirements · Demonstrated success in line management · Extensive experience with C# .NET and JavaScript (React/Typescript) · Extensive experience in solutions architecture and technical leadership roles, with knowledge of software development across multiple platforms · Leadership focused on aligning technical More ❯

delivery · Improve ways of working and overall outputs of the software Essential Requirements · Demonstrated success in line management · Extensive experience with C# .NET and JavaScript (React/Typescript) · Extensive experience in solutions architecture and technical leadership roles, with knowledge of software development across multiple platforms · Leadership focused on aligning technical More ❯

methodologies . Requirements: 5+ years of experience in front-end development, with expertise in Vue.js 3, Vuex, Pinia, Composition API . Strong knowledge of JavaScript (ES6+), TypeScript, HTML5, CSS3, SCSS . Experience with RESTful APIs, GraphQL , and integrating front-end applications with backend services. Familiarity with state management , component-based More ❯

5+ years of experience in Typescript/React ecosystem. Knowledge of web fundamentals: HTML5/CSS3, protocols, modern web standards. Expert knowledge of modern JavaScript and TypeScript. Strong understanding of state management and rendering performance best practices. Strong knowledge about programming principles (SOLID). Strong understanding of data analytics fundamentals More ❯

5+ years of experience in Typescript/React ecosystem. Knowledge of web fundamentals: HTML5/CSS3, protocols, modern web standards. Expert knowledge of modern JavaScript and TypeScript. Strong understanding of state management and rendering performance best practices. Strong knowledge about programming principles (SOLID). Strong understanding of data analytics fundamentals More ❯

processes working alongside the business lead Implementing automated regression testing for the software developed Skills and Experience: Excellent working knowledge of ASP.NET, C#, HTML, JavaScript, jQuery, React Framework, MS SQL Server, Mongo DB, Elasticsearch Understanding of SOLID development principles Worked previously on projects using the Umbraco CMS Continuous Delivery skills More ❯

that provide valuable insights into business performance. Maintain and enhance bespoke .NET applications integrated with the CRM system. Utilise web development technologies (HTML, CSS, JavaScript) to enhance CRM web-based solutions. Support the transition of reporting and dashboards to Power BI for enhanced data analysis. About You: We are looking More ❯

that provide valuable insights into business performance. Maintain and enhance bespoke .NET applications integrated with the CRM system. Utilise web development technologies (HTML, CSS, JavaScript) to enhance CRM web-based solutions. Support the transition of reporting and dashboards to Power BI for enhanced data analysis. About You: We are looking More ❯

processes working alongside the business lead Implementing automated regression testing for the software developed Skills and Experience: Excellent working knowledge of ASP.NET, C#, HTML, JavaScript, jQuery, React Framework, MS SQL Server, Mongo DB, Elasticsearch Understanding of SOLID development principles Worked previously on projects using the Umbraco CMS Continuous Delivery skills More ❯