1,101 to 1,125 of 1,317 JavaScript Jobs in England

Developer Full-Stack React

Location
Bath, England, United Kingdom
point in our UK growth. Our products are established and respected, but we’re now evolving our technology — introducing Docker, a modern C# and JavaScript framework, and new engineering practices that will shape how we build for years to come. It’s a great time to join if you enjoy … performance and secure. Most of your development time will be spent with .NET and C# but we require all developers to work with our JavaScript front-end and our SQL Server database as well. Conduct unit testing, using a test-driven development approach where appropriate and work closely with ...

UCaaS Platform Software Engineer - TypeScript/React

Location
Manchester, England, United Kingdom
conventions. Produce Solution Design documents for review before implementation including detail on security considerations, testing required and potential impacts across the stack. Use JavaScript unit and end to end test frameworks to ensure a high level of coverage across the platform and applications. Take an active role in peer code … experience using, and good working knowledge of TypeScript Extensive experience developing applications using React Good knowledge of HTML/CSS (3+ years) Experience using JavaScript unit & e2e test frameworks (e.g. Jest, Playwright) Experience deploying code using CICD pipelines. Experience working with and mentoring junior engineers. AWS (or Azure/ ...

UI Frontend Lead engineer - AEM & AI

Location
London, United Kingdom
Technical Leadership Define and drive enterprise-wide UI engineering, frontend standards, and best practices. Deliver and implement scalable frontend solutions using React, Next.js, TypeScript, JavaScript, HTML5, and CSS3. Design reusable component libraries, design systems, and micro-frontend architectures. Establish best practices for performance optimization, accessibility (WCAG), SEO, security, and responsive … Technical Skills Technology/Area Mandatory Qualifications 10+ years of experience in frontend/UI engineering Strong hands-on experience in React, NextJS, TypeScript, JavaScript, and modern frontend architectures. Proven experience delivering enterprise-scale digital solutions using Adobe Experience Manager. Experience designing reusable UI components and integrating frontend applications with ...

UI Frontend Lead engineer – AEM & AI

Hiring Organisation
LANCESOFT LTD
Location
south east england, united kingdom
Technical Leadership Define and drive enterprise-wide UI engineering, frontend standards, and best practices. Deliver and implement scalable frontend solutions using React, Next.js, TypeScript, JavaScript, HTML5, and CSS3. Design reusable component libraries, design systems, and micro-frontend architectures. Establish best practices for performance optimization, accessibility (WCAG), SEO, security, and responsive … Technical Skills Technology/Area Mandatory Qualifications 10+ years of experience in frontend/UI engineering Strong hands-on experience in React, NextJS, TypeScript, JavaScript, and modern frontend architectures. Proven experience delivering enterprise-scale digital solutions using Adobe Experience Manager. Experience designing reusable UI components and integrating frontend applications with ...

UI Frontend Lead engineer - AEM & AI

Location
Charing Cross, South West London, United Kingdom
Technical Leadership Define and drive enterprise-wide UI engineering, frontend standards, and best practices. Deliver and implement scalable frontend solutions using React, Next.js, TypeScript, JavaScript, HTML5, and CSS3. Design reusable component libraries, design systems, and micro-frontend architectures. Establish best practices for performance optimization, accessibility (WCAG), SEO, security, and responsive … Technical Skills Technology/Area Mandatory Qualifications 10+ years of experience in frontend/UI engineering Strong hands-on experience in React, NextJS, TypeScript, JavaScript, and modern frontend architectures. Proven experience delivering enterprise-scale digital solutions using Adobe Experience Manager. Experience designing reusable UI components and integrating frontend applications with ...

Senior UX Engineer

Location
Greater London, England, United Kingdom
translate complex workflows into seamless interactions. KEY RESPONSIBILITIES: Lead the design and development of scalable design systems and frontend applications using HTML, modern CSS, JavaScript, and TypeScript frameworks such as React and Next.js. Bridge the gap between design and frontend engineering, translating designs and wireframes into production-ready, performant code. … completing code reviews in HTML/CSS/Typescript through Git, and applied other best practices to technical projects. Strong understanding of HTML, CSS, JavaScript and the ability to write basic programs using these languages including programming concepts, data structures, algorithms, and UI components or HTML DOM. Strong knowledge ...

Senior Consultant-Oracle B2C Service Cloud (RightNow)

Location
Greater London, England, United Kingdom
Custom Processes and Event Handlers, BUI extensions or add-ins, custom scripts, business rules, workflows, workspaces, reports, and knowledge solutions. Use PHP, ConnectPHP, ROQL, JavaScript, HTML, CSS, jQuery, .NET, SQL, and supported APIs as appropriate to the solution. Design and implement REST/SOAP integrations with enterprise applications, including orchestration … extensions or add‐ins, business rules, workflows, workspaces, custom objects, integrations, and reports. Strong experience with REST/SOAP APIs, PHP, ConnectPHP, ROQL, JavaScript, HTML, CSS, jQuery, .NET, SQL, and integration middleware such as Oracle Integration Cloud. Experience leading client workshops, architecture and design reviews, estimations, complex delivery workstreams ...

Senior Software Engineer - Agentic AI

Location
Birmingham, England, United Kingdom
understanding the problem and shaping the solution through build, review, release, monitoring, and iteration. Develop high-quality full-stack software using Java, Spring, Angular, JavaScript, and related technologies, applying appropriate patterns and balancing functional and non-functional requirements. Work agentic-first in Cursor: break outcomes into bounded work, provide agents … capability and confidence in agentic ways of working. Our technology stack includes Java (JUnit, Mockito, Selenium), Spring core/web/remoting/boot, JavaScript, Angular, mobile development using Flutter and Dart, SQL and MongoDB, GCP, and Cursor. Essential Strong experience as a software engineer with clear progression to senior ...

Front End Engineer / React Developer

Hiring Organisation
Hays
Location
Telford, Shropshire, West Midlands, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Up to £550 per day + £550 per day INSIDE
Front End Engineer/React Developer Rate: £550 INSIDE Location: Telford Working arrangement: Minimum 2 days on-site per week Contract length: 6 months, potentially up to 12 months Clearance: BPSS Sector: Government/Public ...

Senior Data Engineer

Location
Newcastle upon Tyne, England, United Kingdom
We work with some of the UK’s biggest companies and government departments to provide a pragmatic approach to technology, delivering bespoke software solutions and expert advice. Our clients are increasingly looking to us to ...

Senior Automation QA Lead (Playwright)

Location
Greater London, England, United Kingdom
Job Title : Senior Automation QA Lead (Playwright)Location : LondonAbout the Job you are considering:we are seeking an experienced Senior Automation QA Lead to drive the test automation strategy and implementation for a large-scale ...

Full Stack AI Engineer

Location
City Of London, England, United Kingdom
Why Ryan Competitive Compensation and BenefitsBusiness Connectivity Reimbursement (Phone/Internet)Gym Membership or Equipment ReimbursementLinkedIn Learning SubscriptionFlexible Work EnvironmentTuition Reimbursement After One Year of ServiceAccelerated Career PathAward-Winning Culture & Community OutreachThe Full Stack AI ...

RPA NiCE Developer

Location
Telford, England, United Kingdom
About the job you're consideringAs an RPA NiCE Developer, you'll join a collaborative Agile team delivering enterprise-scale automation solutions for complex business environments. You'll help streamline processes, reduce manual effort and ...

Full Stack AI Engineer

Location
Greater London, England, United Kingdom
Why Ryan? Competitive Compensation and Benefits Business Connectivity Reimbursement (Phone/Internet) Gym Membership or Equipment Reimbursement LinkedIn Learning Subscription Flexible Work Environment Tuition Reimbursement After One Year of Service Accelerated Career Path Award-Winning ...

Senior Web Developer

Location
Greater London, England, United Kingdom
Job Summary Join Insulet's growing Web Development team and lead the design and development of enterprise-scale Drupal 11 solutions that support people living with diabetes. This is an exciting opportunity for an experienced ...

Senior Data Engineer

Location
Bristol, England, United Kingdom
We work with some of the UK’s biggest companies and government departments to provide a pragmatic approach to technology, delivering bespoke software solutions and expert advice. Our clients are increasingly looking to us to ...

Senior Web Developer

Hiring Organisation
Insulet Corporation
Location
London, UK
Employment Type
Full-time
Job SummaryJoin Insulet's growing Web Development team and lead the design and development of enterprise-scale Drupal 11 solutions that support people living with diabetes. This is an exciting opportunity for an experienced full ...

Junior ASP.NET MVC Developer - Fintech Javascript

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
involved in greenfield platform development for a global high demand high transaction payments gateway. The frontend development of their web platform in HTML5, Javascript, angular.js and CSS3 and the backend in ASP.NET MVC and noSQL (which will be gained in experience)Day to day the developer will: Monolithic architecture replacement … best training and development packages in the market, all inclusive. My client is based in NorwichASP.NET MVC, sql, mvc, .net, Angulkar.js, javascript, greenfield, RESTful webservices, public facing APIs and multi-tenant architectures ...

Senior Software Engineer, JavaScript/TypeScript

Location
Greater London, England, United Kingdom
hard technical problems where poor performance or unreliable code shows. What you'll build You'll design and develop scalable applications and APIs in JavaScript, TypeScript and React, and integrate them with the Python APIs behind the platform. Your work will include: Building responsive, data-intensive web and desktop applications … Code, containers or financial markets technology are useful, but none is essential. At least five years in front-end development, with strong commercial JavaScript, TypeScript and React Experience building data-driven applications where performance, reliability and usability matter A solid grasp of automated testing across unit, integration ...

Software Engineer - Backend

Location
Reading, England, United Kingdom
pipelines, Containerization, (e.g. Docker) Knowledge of Cloud Providers such as GCP, Azure and AWS or similar is a plus. A working knowledge of Javascript and Typescript and Web Javascript Frameworks (such as React) would be beneficial Familiarity with video conferencing would be a bonus Don’t meet all the requirements ...

Design Developer ( Python / C# / JavaScript) Top Company

Hiring Organisation
Robert Half Limited
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Design Technology Developer | Python/C#/JavaScript | Central London A household-name global leader , headquartered in London with 400+ people worldwide , is expanding its Digital Design team and looking for a talented Developer to build the tools shaping the future of Architecture & Interior Design. You'll work where software … plugins and Revit/Dynamo tools to web applications, Autodesk cloud automation and AI/RAG solutions . We're looking for: Strong Python, JavaScript & C# Rhino/Grasshopper development Plugin development & deployment Autodesk Platform Services (APS) React & full-stack development Git/Agile Revit API/Dynamo ...

Senior Automation Tester

Location
Leeds, England, United Kingdom
Summary We are seeking a highly skilled Senior Automation Tester with strong expertise in WebdriverIO, JavaScript, and TypeScript to lead the design, development, and execution of robust test automation frameworks. The ideal candidate will be responsible for ensuring software quality through automated testing of web applications and collaboration with cross … functional teams in an Agile environment. Key Responsibilities Design, develop, and maintain scalable automation frameworks using WebdriverIO. Create and execute automated test scripts using JavaScript and TypeScript. Develop end-to-end, regression, smoke, and integration test suites. Collaborate with Developers, Product Owners, and Business Analysts to understand requirements. Integrate automated ...

JavaScript Developer - React / TypeScript

Hiring Organisation
Ncounter
Location
London, UK
Employment Type
Full-time
6977Location: LondonSalary: 80,000-90,000 per yearPosted: 2026-09-28JavaScript Developer – React/TypeScriptNcounter is supporting a growing technology consultancy delivering digital transformation programmes across law enforcement, public safety and wider government. We are looking for an experienced Frontend Developer who can combine strong hands-on engineering with … security and the ability to make better use of information are critical. The role: Design and build modern web applications using React, TypeScript and JavaScript Develop dashboards, data-rich interfaces and intuitive user journeys for complex operational environments Work directly with technical and non-technical stakeholders to understand requirements ...

Software Developer

Hiring Organisation
Gleeson Recruitment Group
Location
Wolverhampton, West Midlands, West Midlands (County), United Kingdom
Employment Type
Permanent
Salary
£45000/annum
leading organisation who are looking for a mid-level Software Engineer/Developer with commercial experience in modern web development technologies, including Next.js, React, JavaScript, TypeScript, and C#. The successful candidate will have experience working with MySQL databases, while familiarity with cloud platforms such as Azure would be advantageous. This … focus on performance, reliability, and scalability. Build and maintain integrations between applications, APIs, and databases. Produce clean, maintainable, and well-tested code using JavaScript, TypeScript, and C#. Manage the full development lifecycle of features, from initial design through implementation, deployment, and ongoing support. Participate in code reviews, sharing knowledge ...

Senior D365 Technical Consultant

Location
Greater London, England, United Kingdom
while seamlessly operating in a functional consultant capacity when required: Build & Implement: Develop custom Dynamics 365 CE and Power Platform components using C#, .NET, JavaScript, PCF controls, and Azure Functions. Consulting & Analysis: Bridge technical execution with business needs, comfortably handling functional consultant responsibilities when engaging with stakeholders. Architecture: Design smaller … Power Platform. Comfortable acting in a functional consultant capacity - communicating effectively with stakeholders and translating business needs into technical solutions. Proficient in C#, .NET, JavaScript, modern web frameworks, and PCF control development. Practical experience with Azure Integration Services (Logic Apps, Service Bus, Azure Functions) and Dataverse. Good operational knowledge ...