1 to 25 of 115 Contract JavaScript Jobs in the UK excluding London

security, accessibility, and testing across the codebase Support platform improvements and contribute to continuous delivery practices Skills & Experience Required Strong experience in full stack development using React , Next.js , and JavaScript/TypeScript Proven backend engineering skills using Node.js and/or modern languages like Python , Ruby , Scala , or Rust Solid understanding of API design and integration Track record of delivering More ❯

deployment processes, and codebase changes clearly and thoroughly. What You'll Bring Relevant software development experience, with strong expertise in .NET (C#) And ideally VB.NET Front-end technologies - Angular, JavaScript, HTML, CSS. SQL Server Experience in a client-facing or business-facing technical role. Maintaining and modernising legacy systems, including VB.NET. Communication skills to engage confidently with non-technical stakeholders. More ❯

Provide senior-level support, troubleshooting, and performance monitoring with modern observability tools. Mentor and support junior engineers, collaborating with global teams. Required: Proven full-stack development expertise Node.js, TypeScript, JavaScript, and C#, .NET. Hands-on experience with cloud platforms (Azure preferred, AWS/GCP beneficial). Skilled in Kubernetes, Docker, Terraform, Helm, and CI/CD automation. Strong background in More ❯

Life Cycle (SDLC) processes. Understanding of SOLID Principles & Best practices Knowledge of deploying service in AWS infrastructure Expertise in Python Strong with Rest API Excellent understanding of html, css, javascript & typescripts. Used redux or other libraries for state management and hooks Experience iterating over designs with clients Team player with writing quality code and have test driven approach Txperience on More ❯

and understanding stakeholders on their request and work in an environment with some levels of governance Must have: Web applications expertise using modern web technologies (e.g. CSS, HTML, HTML5, JavaScript, jQuery). Knowledge in UX design principles and ability to apply them when building applications/solutions. Knowledge in database modelling and SQL programming (e.g. joins, count, group by, indexes More ❯

Collaborate with stakeholders to translate business needs into technical solutions Troubleshoot and optimize system performance Requirements 3 years’ experience developing in Dynamics 365 CRM Strong skills in C#, .NET, JavaScript, HTML, and TypeScript Experience with Power Platform (Power Apps, Power Automate, Power BI) Familiarity with Dataverse and Azure integrations Understanding of REST APIs and system integrations Must be resident in More ❯

documentation, and training for engineering teams adopting Backstage. Contribute to Backstage open-source ecosystem (where applicable). Profile The Spotify Backstage Developer will have strong experience in TypeScript/JavaScript (React knowledge highly desirable). Experience working with Spotify Backstage (building plugins, extending the framework). Familiarity with cloud environments (AWS, GCP, or Azure). Understanding of CI/CD More ❯

and performance issues to maintain application functionality. • Keeping abreast of emerging technologies and trends to contribute to continuous improvement • Write technical documentation Experience - Application Developer • Strong skills in Advanced JavaScript (NodeJS ES6) technologies, typescript with knowledge of best practices • DevOps strategies, designing and best practices/strategies • Senior development experience using MERN framework for web application development. • Unit with React More ❯

and performance issues to maintain application functionality. • Keeping abreast of emerging technologies and trends to contribute to continuous improvement • Write technical documentation Experience - Application Developer • Strong skills in Advanced JavaScript (NodeJS ES6) technologies, typescript with knowledge of best practices • DevOps strategies, designing and best practices/strategies • Senior development experience using MERN framework for web application development. • Unit with React More ❯

that's critical to global trading operations. What we're looking for: Strong programming skills in an OOP language (Java, Python, etc.). Solid hands-on experience with React, JavaScript, HTML, and CSS. Good understanding of algorithms, data structures, and design patterns. Experience with agile methodologies (Scrum, Kanban, XP) and CI/CD practices. Background in UI design, optimisation, scalability More ❯

Dynamics 365 and Power Platform development and customization. Technical Skills: Proficient in Dynamics 365 and Power Platform (CRM, Customer Services, Sales, and Marketing). Strong knowledge of C# .NET, JavaScript, HTML, and SQL. Familiarity with Azure Services. Demonstrable experience of Omnichannel implementation as part of a broader CRM implementation, preferably having played a leading role on the Omnichannel side. Experience More ❯

and Risk frontend application suite. Essential Skills & Qualifications: Proficient in an OOP language such as Java or Python. Strong experience with web technologies, tools, and frameworks, including HTML, CSS, JavaScript, and React. Familiarity with Agile development methodologies (XP, SCRUM, Kanban) and continuous integration practises. Previous experience in UI design, optimisation, and development processes. A solid degree in Computer Science, Physics More ❯

governance Contribute to release management and developer support Essential Skills & Experience Proven experience with: Terraform (IAC) Azure Cloud and Azure Function Apps GitHub Actions and CI/CD workflows JavaScript/TypeScript and Python Microsoft Entra (AuthN/AuthZ) SQL/PostgreSQL, networking fundamentals Strong Agile delivery background Ability to work independently and collaboratively across squads Must be UK-based More ❯

scrum team (4-8 engineers) operating in two-week sprints, helping to ensure solutions meet the highest quality standards across a range of technologies. Tech Stack Frontend: Remix, React, JavaScript Backend: Java, Spring, .NET Data: MongoDB, Oracle Tools: RabbitMQ, JSON Key Responsibilities Design and implement test automation frameworks and solutions from the ground up Apply TDD/BDD methodologies and More ❯

10+ years building operational support systems and automation in Python. Proven leadership in code reviews and mentoring. Hands-on experience with Selenium and iOS functional automation. Strong React/JavaScript UI development background. Back-end engineering with Python + Postgres. AI/ML expertise in LLMs, embeddings, and RAG systems. Experience with ETL pipelines, vector databases, and modern DevOps (Jenkins More ❯

in Dynamics 365 development and customisation Proficiency in Dynamics 365 (CRM, Customer Services, Sales and Marketing) Experience with Omnichannel for customer service is essential Strong knowledge of C# .NET, JavaScript, HTML, and SQL Proven experience with Power Platform (Power Apps, Power Automate, Power Pages), including Power Platform Application Lifecycle Management Proven experience of the Dynamics and PowerPlatform Familiarity with Azure More ❯

Microsoft Co-pilot Studio Experience with ALM Accelerator for Power Platform Excellent stakeholder management and relationship building skills Background in developing with C#, .NET, Web Services, Web Forms, MVC, JavaScript, jQuery, CSS, HTML, React, Web APIs and Visual Studio, API integrations Skilled in creating interface definitions Exposure to working with Agile development framework Experience with software design and development in More ❯

/week (secure client site) Clearance: Active SC clearance required About the Role: Methods Business & Digital Technology are looking for a Senior Software Developer with strong experience in modern JavaScript/TypeScript frameworks. You'll be Embedded in a secure client environment, building and supporting applications that underpin critical cyber operations. Responsibilities: Develop and maintain applications using React, TypeScript, and More ❯

and Risk team to build and extend FX Options and Risk frontend application suite. Essential Skills: Very good knowledge and experience in Web Technologies, tools and frameworks, HTML, CSS, JavaScript and React. Knowledge or experience of agile development (e.g. XP, SCRUM, Kanban) and continuing integration. Experience in UI design, optimisation, scalability and reliability. Excellent problem solving and analytical skills in More ❯

such as Linux and/or Mac OS X J2EE, Java, microservices, REST, APIs, JPA, Hibernate, SQL, JWT, Cloud, digital, PostgreSQL, Oracle DB, AWS, Lambda, AKS, DevOps, Jenkins, Azure, JavaScript, SC Clearance, SC Cleared More ❯

practices. Drive improvements in code quality and maintainability. Enhance application observability, including logging and monitoring. Provide technical guidance and advocate for best development practices. Essential Skills: Strong knowledge of JavaScript & TypeScript . Experience with Next.js and Node.js . Familiarity with Git flow branching strategy . Development experience with Azure Function Apps . Proficiency in GitHub Enterprise . Hands-on experience More ❯

Excellent verbal, presentation and written communication skills Knowledge of using Microsoft Windows and Linux operating systems Desirable: Distributed simulation standards/Protocols (DIS, HLA, DDS) and web services development (JavaScript, Node JS or similar) Military Communications, Datalinks and Interfaces such as 1553/1760 and Ethernet TCP/IP Practical knowledge of System integration principles and processes More ❯

specific IaC testing frameworks, such as Terratest, InSpec, or Gherkin. Scripting & Programming: Senior-level proficiency in multiple scripting or programming languages relevant to test automation (e.g., Python, Bash, or JavaScript). Cloud Architecture: A deep and comprehensive understanding of cloud principles, architecture, networking, security, and identity and access management. Agile/DevOps Practices: A strong background in modern agile and More ❯

verbal, presentation and written communication skills Knowledge of using Microsoft Windows and Linux operating systems Non-essential Distributed simulation standards/Protocols (DIS, HLA, DDS) and web services development (JavaScript, Node JS or similar) Military Communications, Datalinks and Interfaces such as 1553/1760 and Ethernet TCP/IP Practical knowledge of System integration principles and processes This is an More ❯

verbal, presentation and written communication skills Knowledge of using Microsoft Windows and Linux operating systems Non-essential: Distributed simulation standards/Protocols (DIS, HLA, DDS) and web services development (JavaScript, Node JS or similar) Military Communications, Datalinks and Interfaces such as 1553/1760 and Ethernet TCP/IP Practical knowledge of System integration principles and processes More ❯