301 to 319 of 319 JavaScript Jobs in London

Senior Software Engineer, Python, Django, ReactJS, JavaScript, PHP, Mainly Remote, Central London Senior Software Engineer (Python, Django, ReactJS) required to work for a fast growing and exciting business based in Central London. However, this role is mainly remote. We need an experienced Python Developer who is a good people person ...

design and deliver scalable, secure, and high-performing applications in the cloud. Tech Stack & Tools Ruby on Rails AWS (cloud architecture and deployment) JavaScript (modern frameworks experience a plus) MongoDB (and relational databases) Kubernetes (container orchestration) What You'll Do Develop and maintain Ruby on Rails applications Build and integrate … deliver high-quality solutions What We're Looking For Strong experience with Ruby on Rails Familiarity with AWS and cloud-based deployments Knowledge of JavaScript and MongoDB Experience with Kubernetes and containerized environments Understanding of best practices in testing and CI/CD Strong communication skills A problem-solving mindset ...

Software Engineer - B2B2C Health Scale-up | Up to £75,000 + Equity | London (Hybrid – 2 days in office) JavaScript | React | Node.js | TypeScript In Product is partnered with a profitable, growing health tech scale-up operating in the B2B2C space. The business is a trusted partner to leading organisations across … you... Have commercial experience working as a Software Engineer in a product-led environment Are comfortable contributing across front-end and back-end JavaScript Enjoy working closely with Product and Design to understand problems before jumping to solutions Like building software that is user-facing, meaningful and measurable ...

confidence across teams. Responsibilities Define and roll out shared technical patterns used across multiple teams. Design and build high-quality frontend applications using modern JavaScript frameworks. Design and deliver scalable backend services using statically typed languages. Improve system reliability through clear ownership, service-level objectives, and incident practices. Partner with … through pairing, reviews, and architectural guidance. Contribute to communities of practice to raise standards and share knowledge. Qualifications Strong experience with modern frontend development (JavaScript, TypeScript, component-based frameworks). Solid testing discipline across unit, integration, and end-to-end testing. Experience designing and building backend services using RESTful APIs. ...

Power Automate. Support data-related activities, including migrations, integrations, and connections with external platforms. Build and maintain custom extensions using C#, .NET, and JavaScript to improve system behaviour and user experience. Act as an initial point of contact for system issues, ensuring clear documentation and contributing to team knowledge. Work … maintain structured ALM/version-control processes. Skills Hands-on experience with Dynamics 365, Power Platform tools, and development languages such as C#, .NET, JavaScript, and REST-based integrations. Strong analytical mindset with excellent attention to detail, problem-solving ability, and effective organisation. Comfortable adapting to new technologies and approaches ...

ServiceNow workflow applications across: ITSM (Incident, Problem, Change, Request) HR Service Delivery (HRSD) Customer Service Management (CSM) Employee onboarding and lifecycle workflows Develop using JavaScript, Angular, Glide API, Flow Designer and platform tools Implement Now Assist, GenAI, Workflow Data Fabric and automation capabilities Experience & UI Design Configure Next Experience … Looking For Strong hands-on experience with the ServiceNow platform Good understanding of ITSM, HRSD, CSM or Employee Experience workflows Experience with JavaScript, HTML, CSS and ServiceNow development tools Integration experience with third-party systems Strong problem-solving and troubleshooting skills Ability to communicate technical solutions clearly to stakeholders Desirable ...

ServiceNow workflow applications across: ITSM (Incident, Problem, Change, Request) HR Service Delivery (HRSD) Customer Service Management (CSM) Employee onboarding and lifecycle workflows Develop using JavaScript, Angular, Glide API, Flow Designer and platform tools Implement Now Assist, GenAI, Workflow Data Fabric and automation capabilities Experience & UI Design Configure Next Experience … Looking For Strong hands-on experience with the ServiceNow platform Good understanding of ITSM, HRSD, CSM or Employee Experience workflows Experience with JavaScript, HTML, CSS and ServiceNow development tools Integration experience with third-party systems Strong problem-solving and troubleshooting skills Ability to communicate technical solutions clearly to stakeholders Desirable ...

projects from design through to implementation, with a strong focus on automation, integration, and operational efficiency . Develop scripts and tools (PowerShell, Python, JavaScript, or similar) to automate workflows and system configurations. Build and manage solutions using Microsoft Power Platform (Power Automate, Power Apps, Power BI). Collaborate with stakeholders … internal teams. Key Skills & Experience: Proven experience in IT systems engineering, solutions delivery, or cloud implementation . Strong scripting and automation skills (PowerShell, Python, JavaScript, or equivalent). Hands-on experience with Microsoft 365, Azure AD, and Power Platform . End-to-end project delivery experience – from solution design ...

requested. Design, develop, and implementSPMsolutions including workflows, catalog items, workspaces, and integrations to meet complex business requirements Configure and customize the ServiceNow platform using javascript and ServiceNow APIs to extend capabilities and enhance user experience Design and implement workflows to support business needs and increase automation Develop and configure integrations … platform, specifically in theSPMmodule, and with good familiarity with ITSM, and the general ServiceNow platform Strong understanding of ITIL principles and practices Proficiency in JavaScript and ServiceNow API web services Proven experience with integrating ServiceNow with other applications Excellent analytical and problem solving skills Effective communication and interpersonal skills ...

React Native Developer - Hybrid - Outside IR35 | React Native | FinTech | JavaScript | TypeScript We’re working with a fast-growing FinTech in London that’s building next-generation mobile products used by thousands of customers daily. They’re looking for an experienced React Native Developer to join the team on a contract … backend engineers to deliver scalable, high-quality mobile experiences in a regulated financial environment. Required Skills & Experience Strong commercial experience with React Native Solid JavaScript/TypeScript knowledge Experience consuming RESTful APIs Understanding of mobile app architecture and best practices Previous experience in FinTech, banking, or highly regulated environments (highly ...

Scalers HQ is proud to be partnering with an innovative and fast-growing Creative Media organisation in London. We are looking for a JavaScript Engineer to join their collaborative tech team. You'll play a key role in delivering cutting-edge media analytics solutions, reporting directly to the Head … impact environment alongside experienced engineers and product specialists, helping to shape the future of media technology. Key Responsibilities Develop and maintain scalable, high-quality JavaScript (Vanilla) code Collaborate closely with engineering and product teams to deliver new features and tools Contribute to backend services using Node.js Work with systems such ...

£250 per day (inside IR35) London (Hybrid) Initial 3 Months Your New Role Our client are a world renowned education organisation based in the heart of London,who are looking for a tech-savvy, organised ...

Are you passionate about driving impact through digital innovation and data-led decision making Join us as our CRO Manager and play a pivotal role in powering charitable income growth for the British Heart Foundation ...

Cambridge offering the opportunity to work on a wide variety of web application infrastructure projects using a diverse toolset, with an emphasis on JavaScript, Node.js and related frameworks. Location: London or Cambridge (3 days on site, 2 days remote) Salary: Neg click apply for full job details ...

platform Designing and implementing tagging, tracking and data integration solutions Owning the technical relationship with existing clients post-integration Working hands-on with JavaScript, SQL and web technologies to support client use cases Troubleshooting tracking, delivery and reporting issues across campaigns Supporting commercial teams with technical input during pre-sales … Hands-on experience troubleshooting discrepancies in impressions, clicks and conversions Strong knowledge of UTM parameters, URLs and campaign tracking structures Advanced experience with JavaScript and SQL Confident communicating with technical and non-technical stakeholders Nice to have Experience in solutions engineering, solutions architecture or technical consulting Exposure to CDPs, DMPs ...

Automation Test Engineer London (Oxford Street) | Hybrid – 2 days onsite per week £45,000 PA Playwright with JavaScript or TypeScript We are looking for an experienced Automation Test Engineer to join a growing digital team working on complex, customer facing platforms. This role is ideal for someone who enjoys building … with developers, QA and product teams to ensure high quality, scalable solutions. Key responsibilities Design and build automation frameworks from scratch using Playwright with JavaScript or TypeScript Create scalable, maintainable and reliable automated test solutions Define and champion automation best practices across the team Collaborate with engineers to embed quality ...

Full Stack Engineer - TypeScript/JavaScript - AI Startup 🚀 We’re looking for top tier full stack engineers who care deeply about building things properly and want real ownership over what they ship This is a small senior team solving meaningful problems with speed taste and ambition The role 🧠 Work across … stack in TypeScript and JavaScript Help shape product direction and technical decisions from early ideas through to production Build features that actually ship and get used quickly ⚡ What we’re looking for 🔍 Excellent engineering fundamentals and broad full stack ability A top tier education preferably in Computer Science Comfort moving ...

Scalers HQ is proud to be partnering with an innovative and fast-growing Creative Media organisation in London. We are looking for a JavaScript Engineer to join their collaborative tech team. You'll play a key role in delivering cutting-edge media analytics solutions, reporting directly to the Head ...

optimisation. This is a hands-on technical role with strategic influence, focused on modernising IT service delivery and digitising business processes using ServiceNow and JavaScript-driven customisation . Key Responsibilities Act as the technical lead and subject-matter expert for the ServiceNow platform Design, build, and maintain workflows, automations … service catalogue items Develop and customise ServiceNow using JavaScript (Business Rules, Client Scripts, Script Includes, UI Policies) Own platform administration including upgrades, security, performance, and technical debt Build and maintain REST API integrations with systems such as Entra ID and HR platforms Deliver joiner, mover, and leaver automation and cross ...