101 to 125 of 3,451 JavaScript Jobs in the UK

for one of our key products, delivering enhancements as part of the ongoing development of the product post MVP. Build, lead, mentor, and guide a team of C# and Javascript developers, fostering a collaborative and high-performing environment. Provide technical leadership and expertise on development best practices, design patterns, and architectural decisions. Participate in the entire software development lifecycle, including More ❯

programming, problem-solving, data analysis or systems development would be beneficial for this role. Including any of the following Programming Languages: Proficiency in languages such as: C++, Java, Python, JavaScript, C# Systems & Tools: Knowledge of or experience with: Linux/Unix operating systems Cloud Technologies (AWS, Azure, Google Cloud) DevOps tools (e.g., Docker, Kubernetes) Version Control Systems (e.g., Git) Machine More ❯

problem-solving skills and debugging expertise Experience in building and consuming APIs (RESTful, JSON) Knowledge of testing methodologies (PHPUnit, Pest, etc) Basic understanding of front-end technologies (HTML, CSS, JavaScript) Excellent communication and collaboration skills Preferred but not required: Knowledge of Kubernetes and Linux Familiarity with additional languages such as TypeScript, Python, and Rust Why join us? We're all More ❯

Experience leading and developing solutions across a varied technology stack, including: - Object-Oriented design, SOLID principles, and modern design patterns - Developmentexperience in Microsoft .Net Framework and experience inFront-end JavaScript frameworks like Angular & React - Traditional Relational Database technologies like Oracle, MS SQL Server and - No SQL Databases like MongoDB or DynamoDB - SOA & Microservices architecture implementation using REST APIs, queue-based More ❯

to ship code to production safely and iteratively using modern CI/CD practice What You’ll Learn C#/.NET 8+ and Node.js backend development Frontend engineering with JavaScript, React, and Next.js Cloud development using Microsoft Azure (Functions, APIs, storage, and deployment) GraphQL APIs and microservices architecture Version control and collaboration using Git and GitHub Software testing and quality More ❯

programming, problem-solving, data analysis or systems development would be beneficial for this role. Including any of the following Programming Languages: Exposure to languages such as: • C++, Java, Python, JavaScript, C# Systems & Tools: Knowledge of or experience with any of the following: Linux/Unix operating systems Cloud Technologies (AWS, Azure, Google Cloud) DevOps tools (e.g., Docker, Kubernetes) Version Control More ❯

programming, problem-solving, data analysis or systems development would be beneficial for this role. Including any of the following Programming Languages: Exposure to languages such as: • C++, Java, Python, JavaScript, C# Systems & Tools: Knowledge of or experience with any of the following: Linux/Unix operating systems Cloud Technologies (AWS, Azure, Google Cloud) DevOps tools (e.g., Docker, Kubernetes) Version Control More ❯

programming, problem-solving, data analysis or systems development would be beneficial for this role. Including any of the following Programming Languages: Exposure to languages such as: • C++, Java, Python, JavaScript, C# Systems & Tools: Knowledge of or experience with any of the following: Linux/Unix operating systems Cloud Technologies (AWS, Azure, Google Cloud) DevOps tools (e.g., Docker, Kubernetes) Version Control More ❯

Espire Infolabs is hiring for Senior Software Engineer for Sheffield, UK location. Job Title: Senior Software Engineer Location: Sheffield, UK Experience: 8+ Years Employment Type: Full-time About the Role: We are seeking a highly experienced and motivated Senior PHP More ❯

Senior Software Engineer/Developer (Full Stack JavaScript) London to £100k Opportunity to progress your career in a senior, hands-on Software Engineer 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 been established … 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 Software Engineer/Developer (Full Stack JavaScript) London to £100k Opportunity to progress your career in a senior, hands-on Software Engineer 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 been established … 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 Software Engineer/Developer (Full Stack JavaScript) London to £100k Opportunity to progress your career in a senior, hands-on Software Engineer 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 been established … 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 ❯

junior engineers Writing clean, efficient C# .NET code for scalable, cloud-native systems Contributing to architecture decisions and improving DevOps pipelines Working across the full stack with exposure to JavaScript/React/Angular, and Azure services Supporting quality through testing, code reviews and debugging Staying curious and sharing your knowledge with the team What you'll bring Strong C# … .NET experience in a commercial environment Good knowledge of Azure (or similar cloud platform) Familiarity with JavaScript frameworks (ReactJS, AngularJS etc.) Familiarity with Linux environments and GPU programming would be beneficial Experience with CI/CD, DevOps, and modern engineering practices A passion for clean code, good design and solving meaningful problems Experience mentoring others and working in agile teams More ❯

against cyber-attacks. Are you ready to join us on the journey to elevate Everywhere Work? Why We Need you! Ivanti is seeking a Staff Software Engineer - UI, Angular, JavaScript to enhance the user experience of our Enterprise Service Management platform. The ideal candidate should have 10+ years of experience in software development, preferably in enterprise-level product cloud applications. … later (or equivalent MVVM framework) for front-end development. Mentor junior developers. Translate stakeholder requirements into technical solutions. Who You Are Highly skilled in developing user interfaces with modern JavaScript frameworks like Angular or React. Proficient in performance tuning and network application architecture. Creative problem solver with strong organizational skills. Effective communicator and collaborative team player. Passionate about emerging technologies … Role, You Will Have: Bachelor's or master's Degree in computer science or computer engineering. 10+ years of experience in software development. Strong skills in HTML/CSS, JavaScript, and optionally .NET Core. Solid understanding of web application security, session management, and best practices. Knowledge of relational databases, Object-Oriented Programming, and web development. Experience with network diagnostics and More ❯

and design patterns. Create middleware and intranet applications that streamline internal workflows and communication between distributed systems. Write clean, maintainable, and efficient code across multiple languages (C#, PHP, Python, JavaScript). Develop and consume REST APIs, ensuring secure, performant communication between services. Ensure scalability and resilience in applications handling large volumes of traffic and burst events. Implement and refine queue … workflows) and suggest practical implementations. Participate in architecture reviews, sprint planning, code reviews, and knowledge sharing. Required Skills & Experience Strong commercial development experience in: ASP.NET Core , C# PHP , Python , JavaScript SQL dialects : MySQL, MSSQL, PostgreSQL Familiarity with Redis , ElasticSearch , REST APIs Experience with Windows-based development : services, scheduled tasks, web servers (e.g. IIS). Magento or other open-source e More ❯

the full development lifecycle - from gathering requirements and designing solutions to building, testing, and deploying them in Azure. You'll be working primarily with C#, .NET Core, ASP.NET MVC, JavaScript, Angular, and SQL Server to develop and maintain both internal and client-facing applications. Your day-to-day could include writing robust APIs, improving database performance, enhancing user interfaces, or … role offers the variety and challenge you're looking for. As the Software Engineer, you will: Designing and developing full-stack applications using C#, .NET Core, ASP.NET MVC, HTML, JavaScript, JQuery, Angular and SQL Server. Writing clean, efficient and testable code that powers data-driven applications and APIs. Deploying and supporting applications in Microsoft Azure. Creating and optimising SQL Server … and experience relevant to this role: Proven experience developing in .NET/C# and ASP.NET MVC. Strong knowledge of SQL Server, including writing and optimising queries. Experience with modern JavaScript frameworks (ideally Angular) and front-end development. Understanding of RESTful APIs and cloud-based application deployment, particularly in Azure. Familiarity with Azure DevOps and Agile project delivery. Analytical thinking and More ❯

teams. Iterative development (based on requirements/feedback) of: Azure application and integration components using technologies defined in solution architectures (Azure stack - Functions, APIM, CDN etc., Languages - C# & .Net, JavaScript, Python etc., authoring and integration with REST and Graph APIs). Database engines/technologies (Synapse, SQL Server, Azure SQL, CosmosDB etc.) Data pipelines and ETL processes using Azure Data … using Python & associated frameworks), Azure storage (data lake, blob) etc. Microsoft Dynamics development, primarily in and integrating with ERP modules, utilising relevant tech stack (Power Platform, Dataverse, C# & .Net, JavaScript & TypeScript, HTML & CSS). Monitoring and alerting frameworks/tools to ensure smooth and proactive operation of the production solution. Conduct unit and integration test automation using required tools/ More ❯

unable to sponsor a work visa for this role. You must have existing UK work authorization. Key Responsibilities Design, develop, and maintain backend services and APIs using TypeScript/JavaScript (Node.js) Build and query data models using MongoDB and Redis Develop, containerize, and deploy applications using Docker Collaborate with product, design, and engineering teams to deliver new features Write clean … improvements and automation Monitor, debug, and optimize applications in cloud environments (e.g., AWS ) Required Skills & Experience 3–5+ years of professional software engineering experience Strong experience with TypeScript and JavaScript (Node.js) Proficiency in Docker and containerized development workflows Solid understanding of Git and version control best practices Experience working with NoSQL databases, especially MongoDB and Redis Familiarity with AWS services More ❯

design patterns e.g., Object Oriented Programming. Proficiency in Python and experience with AI/Machine Learning libraries e.g., NLP, Computer Vision. Knowledge of additional programming languages (e.g., Java, C++, JavaScript, Ruby, PHP) and ability to write clean code. Experience with version control systems (e.g., Git) and understanding of branching and merging. Strong analytical and problem-solving skills. Excellent communication and … teamwork abilities. Desirable: Experience with Salesforce Lightning Experience and Lightning Web Components. Knowledge of JavaScript, HTML, CSS, and front-end frameworks (e.g., React, Angular, Vue.js). Familiarity with Agile/Scrum methodologies and tools (e.g., Jira). Strong knowledge of Salesforce platform features (e.g., Apex, Visualforce) and integration patterns (e.g., REST/SOAP APIs). Proficiency in Salesforce data modeling More ❯

CD, Application Resiliency, and Security Demonstrated knowledge of software applications and technical processes within a technical discipline (e.g., cloud, artificial intelligence, machine learning, mobile, etc.) Experience in HTML5/JavaScript frameworks like Angular and related build technologies. Proven knowledge in HTML5, CSS Frameworks, JavaScript, Type Script, jQuery, Bootstrap, Angular JS, Node JS, JSON, Angular 6 or above, Angular CLI Proven More ❯

in shaping the technical direction, improving our product metrics, and ensuring best practices across our web stack. You will report to the Engineering Manager and work primarily on our JavaScript/Typescript stack to expand our e-commerce website, internal websites, RESTful APIs, and subscription services. We do sprints and standups, communicate a lot, support each other, value each other … inquisitive mind and demonstrable examples of implementing proactive solutions. Excellent interpersonal and communication skills with employees at all levels and good written English. Technical skills: Must Frontend: HTML, CSS JavaScript (ES2020+), TypeScript SolidJS or React Unit-testing (Vitest/Jest/similar) End-to-end testing (Cypress/Playwright/similar) Backend : RESTful APIs Node.js SQL and/or NoSQL More ❯

Senior Full Stack Engineer London, UK - Fully Onsite Key Technologies: Java, JavaScript, React, Docker, Kubernetes Perm Role | £80,000 - £120,000 Harrington Starr has partnered with a leading financial institution on a mission to transform investment banking through cutting-edge technology. Their Investment Banking Middle Office Technology team plays a crucial role in enabling efficient trade management with institutional counterparties. More ❯

Senior Full Stack Engineer London, UK - Fully Onsite Key Technologies: Java, JavaScript, React, Docker, Kubernetes Perm Role | £80,000 - £120,000 Harrington Starr has partnered with a leading financial institution on a mission to transform investment banking through cutting-edge technology. Their Investment Banking Middle Office Technology team plays a crucial role in enabling efficient trade management with institutional counterparties. More ❯

software solutions. .NET Developer applicants should have commercial experience with: .NET, .NET Core/ASP.NET MVC, C#, Azure SQL and Agile. Full training will be provided into: .NET 9, JavaScript, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. If you are dedicated to the youthful optimism More ❯

software solutions. .NET Developer applicants should have commercial experience with: .NET, .NET Core/ASP.NET MVC, C#, Azure SQL and Agile. Full training will be provided into: .NET 9, JavaScript, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. If you are dedicated to the youthful optimism More ❯