1 to 25 of 110 Contract JavaScript Jobs in the UK

and emerging technologies. Required Skills & Experience: Active SC Clearance (must be current). Proven experience as a Full Stack Developer in enterprise environments. Strong front-end expertise with React , JavaScript , TypeScript , HTML/CSS . Back-end proficiency with Java (Spring Boot) and ideally Node.js . Hands-on experience with Kubernetes and Red Hat OpenShift . Familiarity with CI/ More ❯

sensitivity review. You'll join a multi-disciplinary team delivering scalable, secure, and high-performance software solutions. Key Responsibilities Front-End Development Build responsive user interfaces using HTML, CSS, JavaScript, TypeScript, and React. Ensure cross-browser compatibility and optimised user experience. Back-End Development Develop APIs and microservices using Java and Spring Boot. Implement server-side logic, data models, and More ❯

sensitivity review. You'll join a multi-disciplinary team delivering scalable, secure, and high-performance software solutions. Key Responsibilities Front-End Development Build responsive user interfaces using HTML, CSS, JavaScript, TypeScript, and React. Ensure cross-browser compatibility and optimised user experience. Back-End Development Develop APIs and microservices using Java and Spring Boot. Implement server-side logic, data models, and More ❯

deployments. Troubleshoot and optimize apps for performance, delegation limits, and data connectivity. Essential Skills & Technologies Power Platform : PowerApps (Canvas & Model-Driven), Power Automate, Dataverse Front-End Development : HTML5, CSS3, JavaScript/TypeScript Frameworks & UI Libraries : Fluent UI, Office UI Fabric, Bootstrap, LESS/SASS Custom Development : PowerApps Component Framework (PCF), custom connectors Integration & Data : REST APIs, SQL Server, SharePoint Online More ❯

frontend engineers, and other stakeholders to deliver features end-to-end. Ensure systems are scalable, reliable, and maintainable. Write clean, testable, and efficient code following best practices. Requirements: Strong JavaScript/TypeScript Strong programming skills in Node.js Solid understanding of RESTful APIs, microservices, and event-driven architecture. Hands-on experience with relational and/or NoSQL databases. Familiarity with cloud More ❯

.NET ecosystem , delivering robust enterprise-grade applications Hands-on experience designing distributed microservices and event-driven integrations Proficiency with modern web frameworks and technologies such as React, Angular, Vue, JavaScript , SPA/SSR, and REST APIs Experience designing composable architectures (JAMstack, MACH), enabling scalable, API-first, modular solutions Strong understanding of Identity and Access Management standards (OAuth2, OpenID Connect, SAML More ❯

Strong problem-solving, debugging, and testing skills. Ability to work collaboratively in a dynamic, cross-functional environment. Experience with project management or Agile methodologies. Desirable: Programming skills in Python, JavaScript, SQL, Java, C#, or Ruby. Experience with Microsoft Cloud, AWS, cloud infrastructure, or Microservices architecture. Familiarity with Power Apps, Power BI, Microsoft Graph API, Azure Logic Apps/Functions, and More ❯

scale systems dealing with high numbers of users, transactions and business processes. Detailed working knowledge and extensive experience of open-source technologies including HTML, CSS, client and server-side JavaScript, TypeScript, Node.js and other modern front-end frameworks and templating languages. Experience in building accessible compliant user interfaces (WCAG). Proven ability in delivering thorough unit level test coverage using More ❯

back-office system. This is a fast-paced, delivery-focused role where working independently whilst collaborating effectively within the wider team is key. Essential Skills Proven experience of modern JavaScript practices, frameworks and industry standards regarding front-end technologies. Experience of implementing these to produce services which meet Usability, Accessibility and Cyber Security standards. Proficiency in building front end applications More ❯

in System Design, Application Development, Testing, and operational Stability. Experience in developing, debugging, and maintaining with technologies and frameworks such as Java, J2EE, Microservices, Spring Boot, Spring Cloud, Angular, JavaScript, and REST API. Exposure to Database Servers such as Oracle and NoSQL databases such as Cassandra. Knowledge in Database ORM frameworks such as Hibernate and JPA. Hands-on experience in More ❯

field (including computational, numerate or life sciences), or equivalent experience Cloud experience (e.g. Google Cloud and cloud run preferred) including core web application infrastructure is essential Strong skills in JavaScript/TypeScript and Python, ensuring best practices are followed for clean and scalable code Demonstrated ability to work directly with designers, particularly using Figma, to convert design prototypes into engaging More ❯

challenging projects that demand ambitious innovation and thought leadership. Key Responsibilities: Deliver high-quality front-end builds for responsive websites and mobile apps using React Native, HTML, CSS, and JavaScript with modern frameworks like React.js. Collaborate with designers and back-end developers to ensure seamless integration of front-end and back-end functionalities. Optimize mobile applications for performance and responsiveness More ❯

D, implementation to automation. WE NEED THE SENIOR SOFTWARE ENGINEER TO HAVE.... Current enhanced DV clearance Experience with at least one of the following: Java, Python, C++, C#, .NET, JavaScript, React Experience mentoring juniors or leading teams is nice to have but not essential Experience/Knowledge of automation IT WOULD BE NICE FOR THE SENIOR SOFTWARE ENGINEER TO HAVE.... More ❯

Expertise in Front-end development of large-scale systems dealing with high numbers of users Extensive experience of open-source technologies including HTML, CSS. Extensive use of server-side JavaScript, TypeScriptNode.js and other modern front-end frameworks and templating languages. Experience with Public Sector/DWP would be beneficial Cloud environment AWS or AZURE Experience in building accessible compliant user More ❯

Understanding of frameworks such as Angular or React to create intuitive and responsive user interfaces. • Familiarity with report creation using SSRS. • Understanding of front-end technologies including HTML5, CSS3, JavaScript, and modern frameworks/libraries. • Familiarity with version control systems such as Git. • Ability to learn new languages and technologies • Excellent communication skills • Resourcefulness and troubleshooting aptitude • Attention to detail More ❯

scale systems dealing with high numbers of users, transactions and business processes. Detailed working knowledge and extensive experience of open-source technologies including HTML, CSS, client and server-side JavaScript, TypeScript, Node.js and other front-end frameworks. Experience in building accessible compliant user interfaces (WCAG). Proven ability in delivering thorough unit level test coverage using common testing frameworks such More ❯

solution design documents, technical specifications, and user guides. Strong knowledge of CRM and ERP business processes - in sectors such as healthcare, retail, or regulated industries. Proficiency in C#, .NET, JavaScript, and SQL Server. Experience with data migration, integration strategies, and legacy system transformation. Strong stakeholder engagement and communication skills. Familiarity with Agile and DevOps methodologies. Data savvy (XML, Data Mapping More ❯

implementing automated checks for data quality, model performance, and compliance. Knowledge of DevSecOps principles and data governance best practices. Proficiency in C#, .NET Core, and other languages such as JavaScript, Python, PHP, or PowerShell. Hands-on experience with REST APIs, GraphQL, and Azure DevOps pipelines. Expertise in Azure AD B2C, including tenant and subscription management, user flows, custom policies, claims More ❯

in a relevant field (computational, numerate, or life sciences) or equivalent experience. Essential cloud experience (Google Cloud and Cloud Run preferred) for core web application infrastructure. Strong skills in JavaScript/TypeScript and Python, adhering to best practises for clean and scalable code. Ability to work directly with designers using Figma to transform design prototypes into engaging applications. Experience with More ❯

Full Stack Software Developer? Proven experience developing full stack applications with C# and .NET Core Experience with Microsoft SQL Server Strong front-end development skills with HTML, CSS, and JavaScript Experience working with Microsoft Azure Knowledge of good software design and secure coding principles Solid understanding of good user interface design What Next? If you’re an experienced Full Stack More ❯

and solve complex technical problems. Help improve system performance, testing, and monitoring. What You'll Need: 3-5+ years of software development experience. Strong skills in TypeScript/JavaScript and Golang (or Java/Kotlin/C++). Experience with front-end frameworks like Angular or React . A solid understanding of data structures and algorithms. Excellent debugging and More ❯

and solve complex technical problems. Help improve system performance, testing, and monitoring. What You'll Need: 3-5+ years of software development experience. Strong skills in TypeScript/JavaScript and Golang (or Java/Kotlin/C++). Experience with front-end frameworks like Angular or React . A solid understanding of data structures and algorithms. Excellent debugging and More ❯

examples. Working closely with internal teams to deliver a scalable, compliant, and well-documented solution. Writing clean, well-structured code using C#/.NET Core (with possible TypeScript/JavaScript extensions). What We’re Looking For: Strong background in Microsoft Azure , including API Management , Azure AD , and App Services . Experience with Microsoft Teams app development or Microsoft More ❯

Strong understanding of cloud services and architectures in AWS/Azure Familiarity with API design and management , REST/SOAP , and event-driven architectures Hands-on experience with Python, JavaScript, or ETL/data transformati on tools Knowledge of SaaS platforms such as Salesforce, ServiceNow, SAP, or Pega Awareness of DevOps, CI/CD, and version control (Git, Azure DevOps More ❯

required. About You We're looking for someone with: Strong expertise in Oracle APEX web application development. Proven experience with complex PL/SQL coding . Solid understanding of JavaScript within APEX applications. A disciplined approach to configuration control and development best practice. Experience working in Agile environments with tools such as Azure DevOps and Scrum. Excellent stakeholder communication skills More ❯