176 to 200 of 721 ECMAScript Jobs in England

production, contributing to ongoing architectural and implementation decisions while resolving live issues. Essential Skills Strong full stack development experience as a lead Tech required: JavaScript, TypeScript, AWS and microservices along with either Node.js or an alternative backend development language AWS cloud experience Leadership experience Strong commercial awareness applied to system ...

grow your skills, learn from others, and see your work make a real difference. What youll do Build high quality web solutions using modern JavaScript technologies. Work closely with developers, UX designers, testers and product owners. Write clean, accessible code with testing built in from the start. Take part ...

principles and their impact on system design Technical Expertise Experience with a selection of the following technologies (across Windows and Linux environments): C++, Python, JavaScript XML, JSON, HTML, CSS Web frameworks and backend technologies (e.g. Angular, Django, Node.js, React, Apache) WebSockets and real-time data systems Docker and containerisation Networking ...

bring 3-5 years' experience in Front End or full-stack development, ideally within financial services environments Strong proficiency in Angular, TypeScript and JavaScript, with exposure to React and mobile development Proven experience in design systems, building and maintaining reusable component libraries at scale Working knowledge of Java and enterprise ...

workflow tooling, event driven systems, product analytics What they’re looking for • Experience building production grade web applications across frontend and backend • Strong modern JavaScript or TypeScript experience with at least one frontend framework • Backend engineering experience with Python or another scalable backend language • Someone comfortable operating in ambiguity ...

provisioning workflows. Knowledge of networking fundamentals, including Docker networking and virtualized network topologies. Exposure to scripting or programming languages such as Python, C++, or JavaScript (React experience a plus). Familiarity with CI/CD tools (e.g., Jenkins, Bitbucket Pipelines) and automated build systems. Strong analytical and problem-solving abilities ...

platforms (e.g., AWS, Azure, or Google Cloud). Exposure to Rust, C# or other object-oriented programming languages. Knowledge of frontend development (HTML, CSS, JavaScript) is a plus. What We Offer You: Competitive Salary: We’re open to tailoring the job offer to fit your skills and experience. Environment: Work ...

master's degree in computer science, Data Science, Statistics, Information Systems, or a related discipline, or equivalent demonstrable experience Foundational experience with React and JavaScript/TypeScript, whether through academic, personal, or professional work A creative eye and interest in UI/UX design, with an appreciation for how data ...

need: Strong commercial experience with Java (versions 8-17). Proven expertise in Spring Framework technologies, including Spring Boot and Spring MVC. Experience with JavaScript development. Current hands-on Java development experience within enterprise environments. The ability to mentor, guide, and support junior developers. Excellent communication, leadership, and interpersonal skills ...

Essential Commercial PHP development experience Strong understanding of modern web application development Experience integrating APIs and external services Front-end development skills (HTML, CSS, JavaScript) Strong SQL and database knowledge Excellent problem-solving skills Ability to work independently and take ownership of projects Genuine interest in AI and emerging technologies ...

bring Strong experience delivering complex software systems at scale Proven ability to lead technical direction within a team or domain Expertise in JavaScript/TypeScript, Node.js, and React Solid understanding of architecture, APIs, and database design Experience with DevOps, CI/CD, testing, and modern engineering practices A passion ...

Principal Engineer with significant hands-on technical responsibility. Previous experience leading engineers or managing software development teams. Strong technical expertise in: TypeScript and JavaScript Node.js Modern backend and frontend development SQL and data-driven applications Strong understanding of cloud platforms, distributed systems, scalable architecture, and production operations. Experience influencing technical ...

software testing methodologies, quality assurance principles and best practice. Experience working closely with software development teams. Knowledge of programming languages such as C#, JavaScript or Python. Excellent analytical and problem-solving skills. Strong attention to detail and a proactive approach to quality improvement. Ability to balance automation, manual testing ...

software testing methodologies, quality assurance principles and best practice. Experience working closely with software development teams. Knowledge of programming languages such as C#, JavaScript or Python. Excellent analytical and problem-solving skills. Strong attention to detail and a proactive approach to quality improvement. Ability to balance automation, manual testing ...

will require this in addition to your role defining strategy and influencing You’re comfortable working in at least one object oriented programming language (JavaScript/TypeScript, Python, Java, C#, etc) You have hands-on experience with GenAI, (e.g. Playwright with MCP). Experience with AI-assisted coding tools (e.g. ...

where impatient, ambitious people thrive Regular Mario Kart action! What we’re looking for... Hands-on experience with React and Node.js Strong TypeScript/JavaScript expertise, with a proven track record in a development role Exceptional problem-solving ability — proven in diagnosing and fixing complex technical issues Strong communication skills ...

team culture, accountability, and performance. Strong database and data modeling expertise , including design, optimization, and best practices. Strong proficiency in modern development stacks (e.g., JavaScript/TypeScript, C#, .NET, Angular and/or React ). Working knowledge of AI trends and practical ways AI can improve development and delivery outcomes. ...

strong eye for frontend quality - you care about how things look and feel, not just whether they work Comfortable working with HTML, CSS, and JavaScript across a modern Rails frontend stack Familiarity with relational databases (PostgreSQL preferred) and writing efficient queries Comfortable building and consuming APIs as part of delivering ...

both feasible to deliver and impactful for customers. Domain & Technical Skills Hands-on experience with modern web development languages/frameworks (eg. HTML, CSS, JavaScript) and general-purpose programming languages (eg. Node, Python), and a proven ability to learn new languages and technical concepts with minimal guidance. Strong understanding ...

Senior Developer - Python, .NET, JavaScript/React, Azure - remote - up to £80k Skills/Experience Proven experience as a senior developer, full-stack developer, software engineer or product engineer in a high-growth product, consultancy or customer delivery setting. Expertise in Python, .NET and JavaScript/React, with a strong … platform, working across APIs, services, user interfaces, data integrations and AI-agent workflows. Develop scalable, secure, cloud-native software using Python, .NET and JavaScript/React, with strong attention to code quality, maintainability and performance. Work across the Azure stack, including Azure OpenAI, Azure AI Foundry, Azure AI Search, Azure ...

APIs and web applications Support continuous improvement by researching new tools and methods Core Tech Stack: Backend: C#, .NET Core, REST APIs Frontend: ReactJS, JavaScript, Blazor, HTML, CSS Cloud & DevOps: Azure, Azure DevOps, GIT Database: PostgreSQL/SQL Containerisation: Docker, Kubernetes (nice to have) What You'll Bring: Proven full … stack experience with C# and modern JavaScript frameworks Hands-on experience with cloud-based deployments (Azure preferred) Familiarity with CI/CD pipelines and version control (Git, Azure DevOps) Solid understanding of microservices and containerisation Knowledge of authentication and integration tools (OAuth, JWT) Excellent communication and problem-solving skills Bonus ...

experience, RESTful APIs, microservices architecture Database: SQL/NoSQL (PostgreSQL, MySQL, MongoDB, etc.) Front-End Development: Angular/React/Vue.js with HTML5, CSS3, JavaScript/TypeScript Cloud Platforms: AWS/Azure/GCP (deployment, CI/CD pipelines) Version Control: Git, GitHub/GitLab Secondary Skills Knowledge of Kubernetes … experience, RESTful APIs, microservices architecture Database: SQL/NoSQL (PostgreSQL, MySQL, MongoDB, etc.) Front-End Development: Angular/React/Vue.js with HTML5, CSS3, JavaScript/TypeScript Cloud Platforms: AWS/Azure/GCP (deployment, CI/CD pipelines) Version Control: Git, GitHub/GitLab Secondary Skills Knowledge of Kubernetes ...

secure web applications within Defence & Security environments Contribute across the full software development lifecycle within Agile teams Build responsive front-end applications using modern JavaScript frameworks Develop secure and scalable back-end services and APIs Implement DevSecOps and secure coding best practices Support CI/CD pipelines, deployment automation … communicate effectively with technical and non-technical stakeholders Essential Skills Experience with some of the following: React, Angular or Vue.js HTML5, CSS3 and JavaScript/TypeScript Node.js, Java or Python RESTful API development SQL and NoSQL databases CI/CD and DevOps tooling Agile software delivery Secure software engineering practices ...

organisations. Experience in agile software development RESTful APIs and OAuth/OpenID Connect Docker and Kubernetes Development experience with Python, Go, HTML, CSS and Javascript API Gateways Cyber security ...

mentoring junior team members along the way. Tech Stack: 3 years + experience with: .NET Core/Framework | ASP.NET | SQL Server | Angular |TypeScript OR JavaScript | Entity Framework Bonus if you have experience with: WPF | Kotlin | Jira If you’re a problem solver who enjoys working independently while being part ...