451 to 475 of 857 JavaScript Jobs in London

with the ServiceNow platform (Customer, Technology, and Employee Experience workflows). Strong understanding of customer journeys (marketing, sales, commerce) and employee lifecycles (onboarding, career development). Technical proficiency in JavaScript, HTML, CSS, Glide API, Flow Designer, IntegrationHub . Experience in system integration and workflow automation. Excellent communication and collaboration skills with an ability to bridge technical and business needs. Problem More ❯

working in Networks or IT network transformations Proven track record of delivering high quality code and leading development squads Key skills Netconf, API's, XML, JSON, Jinja 2, Python, JavaScript Cisco NSO, Ansible, Net Miko, Docker Workflow automation Itential IAP, Appian, Resolve Knowledge of telecom networks, technologies, and standards e.g TMF/Tosca/MEF YANG/TOSCA for service More ❯

working in Networks or IT network transformations Proven track record of delivering high quality code and leading development squads Key skills Netconf, API's, XML, JSON, Jinja 2, Python, JavaScript Cisco NSO, Ansible, Net Miko, Docker Workflow automation Itential IAP, Appian, Resolve Knowledge of telecom networks, technologies, and standards e.g TMF/Tosca/MEF YANG/TOSCA for service More ❯

working in Networks or IT network transformations Proven track record of delivering high quality code and leading development squads Key skills Netconf, API's, XML, JSON, Jinja 2, Python, JavaScript Cisco NSO, Ansible, Net Miko, Docker Workflow automation Itential IAP, Appian, Resolve Knowledge of telecom networks, technologies, and standards e.g TMF/Tosca/MEF YANG/TOSCA for service More ❯

working in Networks or IT network transformations Proven track record of delivering high quality code and leading development squads Key skills Netconf, API's, XML, JSON, Jinja 2, Python, JavaScript Cisco NSO, Ansible, Net Miko, Docker Workflow automation Itential IAP, Appian, Resolve Knowledge of telecom networks, technologies, and standards e.g TMF/Tosca/MEF YANG/TOSCA for service More ❯

working in Networks or IT network transformations Proven track record of delivering high quality code and leading development squads Key skills Netconf, API's, XML, JSON, Jinja 2, Python, JavaScript Cisco NSO, Ansible, Net Miko, Docker Workflow automation Itential IAP, Appian, Resolve Knowledge of telecom networks, technologies, and standards e.g TMF/Tosca/MEF YANG/TOSCA for service More ❯

and platforms What You'll Bring Essential Experience: University degree (2:1 minimum) in analytical field 5+ years in analytics/intelligence function Expert-level: Databricks, Python, SQL, Excel, JavaScript Advanced Excel skills including macro development Experience with Qlik or similar BI platforms Proven track record in cross-team project management Passion for technology and automation Highly Valued: Investment Management More ❯

and platforms What You'll Bring Essential Experience: University degree (2:1 minimum) in analytical field 5+ years in analytics/intelligence function Expert-level: Databricks, Python, SQL, Excel, JavaScript Advanced Excel skills including macro development Experience with Qlik or similar BI platforms Proven track record in cross-team project management Passion for technology and automation Highly Valued: Investment Management More ❯

decision systems change with cross-functional teams and influence senior stakeholders. SQL or Python skills for data interrogation and prototyping. Able to code to a high standard/level - JavaScript strongly preferred. Strong analytical skills and comfort with data-driven decisioning. Experience in strategy deployment via CI/CD pipelines and governance. Send your CV to Applicants must be located More ❯

and platforms What You'll Bring Essential Experience: University degree (2:1 minimum) in analytical field 5+ years in analytics/intelligence function Expert-level: Databricks, Python, SQL, Excel, JavaScript Advanced Excel skills including macro development Experience with Qlik or similar BI platforms Proven track record in cross-team project management Passion for technology and automation Highly Valued: Investment Management More ❯

and platforms What You'll Bring Essential Experience: University degree (2:1 minimum) in analytical field 5+ years in analytics/intelligence function Expert-level: Databricks, Python, SQL, Excel, JavaScript Advanced Excel skills including macro development Experience with Qlik or similar BI platforms Proven track record in cross-team project management Passion for technology and automation Highly Valued: Investment Management More ❯

libraries and documentation to support consistency and scalability across future data products. Ideal Candidate Profile Proven experience in front-end development within data-rich environments Strong knowledge of modern JavaScript frameworks and data visualisation tools Familiarity with accessibility standards and responsive design principles Comfortable working independently and influencing design decisions Excellent communication and collaboration skills across technical and non-technical More ❯

industry trends and technologies related to mobile development What we need: 2 years of experience as a Frontend Engineer with proven experience using React Native Good programming skills in JavaScript, preferably with TypeScript and GraphQL experience In-depth knowledge of the React and React Native frameworks A good understanding of the Android and iOS platforms Experience with frontend testing frameworks More ❯

for ERP integrations. Strong SQL skills and familiarity with Microsoft SQL Server for data querying and optimisation. Understanding of database architecture, BI tools, and data migration in ERP contexts. JavaScript experience for front-end ERP enhancements. Familiarity with Node-RED for workflow automation and system integration. Ability to write clear, detailed technical specifications based on client requirements. We encourage all More ❯

for ERP integrations. Strong SQL skills and familiarity with Microsoft SQL Server for data querying and optimisation. Understanding of database architecture, BI tools, and data migration in ERP contexts. JavaScript experience for front-end ERP enhancements. Familiarity with Node-RED for workflow automation and system integration. Ability to write clear, detailed technical specifications based on client requirements. We encourage all More ❯

years of relevant experience and possess: Proficiency in Microsoft Office and advanced skills in Microsoft Excel & VBA. Experience in SQL query writing. Script writing capabilities in languages such as JavaScript, Python, or PowerShell. Useful Skills and Experience: While not essential, the following skills would be beneficial: 1st and 2nd line PC support experience. Familiarity with Microsoft Azure, SharePoint, and Entra More ❯

years of relevant experience and possess: Proficiency in Microsoft Office and advanced skills in Microsoft Excel & VBA. Experience in SQL query writing. Script writing capabilities in languages such as JavaScript, Python, or PowerShell. Useful Skills and Experience: While not essential, the following skills would be beneficial: 1st and 2nd line PC support experience. Familiarity with Microsoft Azure, SharePoint, and Entra More ❯

best practices. Ensures internal customers (builders) can leverage Retool effectively and safely. Drives adoption of shared components and templates to avoid duplication. Essential Skills Strong full stack engineering background (JavaScript/TypeScript, SQL, APIs). Proven experience building and scaling internal tools or low-code platforms. Ability to define and enforce development standards and security practices. Comfortable collaborating across multiple More ❯

communicate value to diverse audiences. CRM & Data Knowledge: Familiarity with Salesforce CRM and modern data stacks; comfortable discussing governance, security, and integration. Hands-On Development: Proficiency in programming (e.g., JavaScript, Python, SQL) or Salesforce development (Apex, Lightning Web Components, etc.). Excellent Communication: Strong presentation skills; adept at explaining complex ideas and guiding stakeholders toward impactful solutions. Curiosity & Continuous Learning More ❯

JavaScript React Developer London (Hybrid) 6 month contract Rates: Negotiable Overview We are seeking an experienced Software Engineer to join a global technology team within a leading energy trading business. This role is suited to a developer with strong front-end expertise, solid cloud experience, and a track record of delivering business-critical applications in fast-paced environments.The ideal candidate … the ability to thrive in Agile delivery teams. Key Responsibilities Design and build modern web applications using React, TypeScript, CSS, Jest/Vitest, Webpack, and Ag Grid. Apply modern JavaScript coding, testing, debugging, and automation techniques. Contribute to the creation and optimisation of CI/CD pipelines and deployment practices. Collaborate with global teams on solution design, technical delivery, and … best practices, standards, and tooling. Work independently within defined workstreams, delivering high-quality, tested, and documented code. Essential Skills & Experience 8+ years of software development experience. Strong proficiency with JavaScript/React/Redux/TypeScript . Styled Components and React Testing Library. REST APIs integration. Azure DevOps/VSTS – CI/CD build and release pipelines. Cloud experience, particularly More ❯

.NET Developer, .NET 9, C#, Azure, JavaScript, Agile - London (Tech stack: .NET Developer, .NET 9, ASP.NET, C#, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, Web API 2, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer, Urgent)Be the first of your friends to declare, "I love where I work!" and actually mean it. Laugh hard and work hard … Developer candidates should have strong experience with: .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. Our client will provide you with industry recognised training into: .NET 9, JavaScript, React, Angular 19, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. Their benefits include the following: Bonus More ❯

.NET Developer, .NET 9, C#, Azure, JavaScript, Agile - London (Tech stack: .NET Developer, .NET 9, ASP.NET, C#, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, Web API 2, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer, Urgent) Be the first of your friends to declare, “I love where I work!” and actually mean it. Laugh hard and work hard … Developer candidates should have strong experience with: .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. Our client will provide you with industry recognised training into: .NET 9, JavaScript, React, Angular 19, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. Their benefits include the following: Bonus More ❯

International on a. This is a hands-on leadership role suited to a self-starter with strong technical expertise and a passion for building robust, scalable solutions using Node.js, JavaScript/TypeScript, and React. The successful candidate will be responsible for guiding technical direction, mentoring developers, fostering a high-performing team culture, and owning end-to-end project delivery. You … a related discipline - or equivalent practical experience. 8+ years of professional experience in software development, with demonstrable technical leadership. Essential Experience : Strong hands-on experience with Node.js, TypeScript/JavaScript, React (or Remix), SQL/NoSQL databases, and CSS. Proven track record of leading Agile development teams. Experience designing and building cloud-based, scalable applications. Familiarity with test-driven development More ❯

Senior Full Stack Developer/Engineer (JavaScript Python API) London to £100k Opportunity to progress your career in a senior, hands-on Senior Full Stack Developer role at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and route optimisation, streamlining processes and delivering CO2 carbon neutral targets, the company has … technology team to design and develop, troubleshoot and solve complex software issues to help scale and future proof the business. You'll work across the full tech stack using JavaScript and Vue.js on the front end, there's a range of other tech in the stack (TypeScript, Node.js, Java, Python and of course a bit of legacy PHP!), you'll … and the other two work from home. When in the office you can enjoy the onsite gym, barista coffee and free breakfast. About you: You have strong full stack JavaScript development skills and are happy to work on projects that could be weighted either way or a 50/50 split You have experience with JavaScript frameworks they use Vue.js More ❯

Senior Full Stack Developer/Engineer (JavaScript Python API) London to £100k Opportunity to progress your career in a senior, hands-on Senior Full Stack Developer role at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and route optimisation, streamlining processes and delivering CO2 carbon neutral targets, the company has … technology team to design and develop, troubleshoot and solve complex software issues to help scale and future proof the business. You'll work across the full tech stack using JavaScript and Vue.js on the front end, there's a range of other tech in the stack (TypeScript, Node.js, Java, Python and of course a bit of legacy PHP!), you'll … and the other two work from home. When in the office you can enjoy the onsite gym, barista coffee and free breakfast. About you: You have strong full stack JavaScript development skills and are happy to work on projects that could be weighted either way or a 50/50 split You have experience with JavaScript frameworks they use Vue.js More ❯