176 to 200 of 1,048 JavaScript Jobs in the UK

Engineer Responsibilities Design and build scalable full-stack applications using TypeScript, Node.js, and React Lead the migration from legacy PHP systems to a modern JavaScript/TypeScript stack Develop and maintain cloud infrastructure on AWS (EKS, S3, DynamoDB) using Terraform (IaC) Build and optimise CI/CD pipelines (GitHub Actions ...

passionate about building robust, scalable systems while driving continuous improvement across the engineering team. Requirements : 5+ years of experience working with JavaScript in a professional environment. Experience with modern front-end frameworks such as React or Angular . Strong understanding of front-end fundamentals , including component-based architecture, state management ...

helping the team focus on the why, not just the task Your Skills and Experience Strong commercial experience building production-grade software in JavaScript or TypeScript environments Backend development experience with Node.js and modern APIs Frontend experience with React, ideally including Next.js Experience working in a cloud environment such ...

maintainable, and efficient code Strong problem-solving skills and attention to detail Good communication and collaboration skills Desirable/bonus experience: Frontend exposure with JavaScript, TypeScript, or React Experience working with Docker or containerised environments Exposure to AWS services and cloud deployments Experience working within Agile teams Knowledge of automated ...

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 ...

scalability What you bring to the table Experience building and scaling web applications, with particular strength in front-end development Strong understanding of modern JavaScript/TypeScript frameworks and component-based architectures Comfort working with data-heavy interfaces: tables, charts, filters, and interactive visualizations Ability to work independently and drive ...

services Work some evenings and weekends as required due to the nature of the industry and geo-dispersed team Requirements Experience with Azure, .NET, JavaScript or TypeScript, React, SQL Server Experience with backup, disaster recovery, and database resiliency Ability to work independently and as part of a team Strong communication ...

Strong commercial experience with C# .NET Solid SQL/MySQL experience Proven experience developing enterprise-grade single-page applications using HTML, CSS, and JavaScript, with strong expertise in modern frameworks Confident with Git and source control best practices. Strong grasp of OOP principles, design patterns, software design and architecture Experience ...

discussions About You Strong commercial experience in backend development using C# and the .NET ecosystem Frontend development experience using React or a similar modern JavaScript framework Solid understanding of software engineering fundamentals and agile delivery practices Experience working in live production environments, ideally within regulated, government or secure systems Eligibility ...

safeguarding digital infrastructures in the UK. What skills will I need? Proficient in current Java, knowledge of other languages such as Python, C++, JavaScript, TypeScript, React is a bonus. Experience of developing on Linux. Appreciation of mocking and unit testing frameworks such as JUnit 5.x (Jupiter). Experienced with ...

scalability, resilience, and observability. Requirements: Strong experience as a full-stack developer (not purely Front End or Back End). Proven expertise in JavaScript/TypeScript. Experience delivering solutions in AWS, ideally using AWS CDK. Strong knowledge of Infrastructure as Code (IaC) and CI/CD practices. Experience working with ...

focus on continuous improvement, engineering quality, and team development. Responsibilities & Core Engineering Expertise Build and maintain high-quality mobile and web applications using modern JavaScript technologies Deliver scalable features and APIs with a strong focus on performance, reliability, and security Contribute to system architecture, code quality, and long-term maintainability ...

eager to learn Desirable skills include: An interest in software development, automation, or AI technologies Basic knowledge of programming languages (such as Python, JavaScript, or similar) Strong analytical and problem-solving abilities Good attention to detail Excellent communication skills The ability to understand and document business processes What ...

developing and integrating AI solutions such as chatbots, voicebots, ML models, or LLM-based analytics. Strong proficiency in Python (preferred) and/or JavaScript/TypeScript. Hands-on experience with AI frameworks (e.g. TensorFlow, PyTorch and/or LangChain) and LLM APIs (e.g. Azure OpenAI, OpenAI API, Anthropic and/ ...

continuous monitoring Proactively identify technical risks and devise strategies for reliability, security, and performance Technical Requirements Full Stack SaaS Architecture: Strong proficiency in modern JavaScript/TypeScript and Node.js Deep knowledge of web platform fundamentals and browser native capabilities Experience designing and evolving well structured APIs for platform integrations Architectural ...

query performance tuning and other SQL best practices. Proven and demonstrable experience in web programming using the Django framework Experience using HTML5, CSS3 and JavaScript, to create web apps from scratch, with strong attention to detail A solid understanding of how web applications work including security, session management, and best ...

variety of Defence, Cyber and Intelligence programmes. What skills will I need? Proficient in current Java, knowledge of other languages such as Python, C++, JavaScript, TypeScript, React is a bonus. Experience of developing on Linux. Appreciation of mocking and unit testing frameworks such as JUnit 5.x (Jupiter). Experienced with ...

variety of Defence, Cyber and Intelligence programmes. What skills will I need? Proficient in current Java, knowledge of other languages such as Python, C++, JavaScript, TypeScript, React is a bonus. Experience of developing on Linux. Appreciation of mocking and unit testing frameworks such as JUnit 5.x (Jupiter). Experienced with ...

Visualisation & Tools: Jupyter, Visual Studio Code, Microsoft Excel, dashboards and reporting solutions Development Environments: Linux/Ubuntu, Git/Bitbucket, Jira, Confluence Familiarity with JavaScript, jQuery and Microsoft .NET technologies is advantageous Outstanding quantitative and analytical problem-solving ability Strong understanding of statistics fundamentals (e.g. hypothesis testing, regression, modelling techniques ...

Visualisation & Tools: Jupyter, Visual Studio Code, Microsoft Excel, dashboards and reporting solutions Development Environments: Linux/Ubuntu, Git/Bitbucket, Jira, Confluence Familiarity with JavaScript, jQuery and Microsoft .NET technologies is advantageous Outstanding quantitative and analytical problem-solving ability Strong understanding of statistics fundamentals (e.g. hypothesis testing, regression, modelling techniques ...

systems, and serverless architectures. Deep Technical Foundations: Strong, proven experience across the .NET ecosystem (C#, modern .NET, legacy frameworks), backed by solid SQL and JavaScript skills. Polyglot Mindset: A genuine curiosity and interest in continuous learning. You aren’t dogmatic about tech stacks; you view different languages, older legacy systems ...

pyramids, testability, and automation at multiple levels (API, UI, integration). Strong working knowledge of software development using the Microsoft technology stack, including: C#, JavaScript, TypeScript, Node.js (or equivalent). Demonstrated experience in continuous coding, refactoring, and improving automation codebases. Proven ability to conduct automation script and code reviews, ensuring ...

pyramids, testability, and automation at multiple levels (API, UI, integration). Strong working knowledge of software development using the Microsoft technology stack, including: C#, JavaScript, TypeScript, Node.js (or equivalent). Demonstrated experience in continuous coding, refactoring, and improving automation codebases. Proven ability to conduct automation script and code reviews, ensuring ...

pyramids, testability, and automation at multiple levels (API, UI, integration). Strong working knowledge of software development using the Microsoft technology stack, including: C#, JavaScript, TypeScript, Node.js (or equivalent). Demonstrated experience in continuous coding, refactoring, and improving automation codebases. Proven ability to conduct automation script and code reviews, ensuring ...

pyramids, testability, and automation at multiple levels (API, UI, integration). Strong working knowledge of software development using the Microsoft technology stack, including: C#, JavaScript, TypeScript, Node.js (or equivalent). Demonstrated experience in continuous coding, refactoring, and improving automation codebases. Proven ability to conduct automation script and code reviews, ensuring ...