1 to 25 of 1,477 JavaScript Jobs in the UK

Troubleshoot, debug, and upgrade existing systems Contribute to Agile ceremonies and continuous delivery practices Essential Skills & Experience Active eDV clearance (applications without this cannot be considered) Strong experience with JavaScript/TypeScript and modern frameworks (React, Angular, or Vue) Proficiency in back-end development (Node.js, Java, C#, or Python) Experience with databases (SQL and/or NoSQL) Strong understanding of More ❯

Design and implement scalable and secure backend services using Java, Spring Boot, and related technologies. Develop responsive and intuitive front-end interfaces using Angular/React, HTML5, CSS3, and JavaScript/TypeScript. Ensure code quality through code reviews, unit testing, and best practices. Mentor junior developers and foster a culture of continuous learning and improvement. Participate in Agile/Scrum More ❯

Agile methodologies and SDLC best practices. Strong problem-solving, analytical, and communication skills. Preferred: Experience in banking, payments, or financial services domain. Knowledge of front-end technologies (Angular, React, JavaScript) for full-stack exposure. Understanding of security protocols, authentication (OAuth2, JWT), and compliance requirements. More ❯

Agile methodologies and SDLC best practices. Strong problem-solving, analytical, and communication skills. Preferred: Experience in banking, payments, or financial services domain. Knowledge of front-end technologies (Angular, React, JavaScript) for full-stack exposure. Understanding of security protocols, authentication (OAuth2, JWT), and compliance requirements. More ❯

be involved in a 24/7 on call rota for clients Required Extensive experience of building microservices with Java (Spring Boot) (and NodeJS as a bonus) Experience using JavaScript/Typescript to build fronted web applications using React, HTML and CSS Experience with cloud technologies such AWS or Azure Experience with CI/CD (Gitlab, GitHub, Jenkins) Experience using More ❯

Minimum 8 years of commercial software development experience, with at least 3 years in a senior or technical lead role. Proven expertise in full-stack development using: TypeScript (and JavaScript frameworks such as NextJS, Node, or Tailwind) Python (including frameworks like Django, Flask, or FastAPI) PostgreSQL and relational database design, optimization, and maintenance. AI Development Tools such as Windsurf, Aider More ❯

in building React applications using TypeScript, leveraging frameworks such as Next.js or Vite . GenAI Frameworks : Familiarity with tools like LangChain , LangGraph , CrewAI , or Vercel AI (in Python or JavaScript). LLM experience : Practical experience with Large Language Models (LLMs) such as OpenAI , Anthropic , Mistral , or Llama , and tools like Ollama . Cloud Platforms : Proficiency in AWS or Azure for More ❯

uptime, and code quality Collaborate in cross-functional teams and contribute to design decisions Mentor junior engineers and promote team growth What you’ll bring Proficiency in C#, .NET, JavaScript, and TypeScript Experience with React, Vue.js, or Angular (preferred) PHP knowledge (desirable) Familiarity with cloud services (AWS, GCP, or Azure), Docker, Kubernetes Understanding of CI/CD, DevOps, SQL/ More ❯

strive for improvement by being open to challenge, being curious and focussing on innovation. In order to excel in this role you need 3+ years' strong programming experience in JavaScript Knowledge of Java, HTML, APIs, MySQL , and cloud environments (AWS preferred) Experience with Kubernetes/Docker Strong analytical, numeracy, problem-solving, and time-management skills Ability to work collaboratively within More ❯

to Work or have the ability to work without sponsorship. The successful Senior Software Developer will possess proven skills in: C# and .NET (Core/Framework) Angular (or modern JavaScript front-end frameworks) SQL Server and Entity Framework Docker & AWS ECS Architecture & Design Event-driven architecture (e.g. RabbitMQ) RESTful APIs and microservices DevOps, Git, CI/CD pipelines Interested? Please More ❯

performance, uptime, and code quality Collaborate in cross-functional teams and contribute to design decisions Mentor junior engineers and promote team growth What youll bring Proficiency in C#, .NET, JavaScript, and TypeScript Experience with React, Vue.js, or Angular (preferred) PHP knowledge (desirable) Familiarity with cloud services (AWS, GCP, or Azure), Docker, Kubernetes Understanding of CI/CD, DevOps, SQL/ More ❯

require you to be onsite a minimum of two days per week. Essential Experience: Professional software engineering experience (typically 5+ years) using C#/ASP.NET (Core & Framework) and modern JavaScript/TypeScript frameworks, particularly Angular (v8+). Significant understanding and practical experience with relational databases (MySQL/PostgreSQL preferred). Expertise in version control systems (Git) and branching strategies (Gitflow More ❯

require you to be onsite a minimum of two days per week. Essential Experience: Professional software engineering experience (typically 5+ years) using C#/ASP.NET (Core & Framework) and modern JavaScript/TypeScript frameworks, particularly Angular (v8+). Significant understanding and practical experience with relational databases (MySQL/PostgreSQL preferred). Expertise in version control systems (Git) and branching strategies (Gitflow More ❯

documentation to maintain high-quality standards. Stay updated on emerging technologies and recommend improvements to the tech stack. Required Skills and Qualifications Technical Skills Languages and Frameworks : Proficiency in JavaScript (including React.js for front-end development). Experience with Next.js for server-side rendering and static site generation. Knowledge of HTML5, CSS3, and Tailwind CSS for responsive and styled interfaces. More ❯

and collaborative culture alongside other roles and disciplines. oProven ability to take ownership of complex development projects and deliver quality solutions on time. oStrong experience with programming languages (C#, JavaScript), related frameworks (.Net) and structures (MVC) oFamiliarity with database technologies (SQL) oExperience with container platforms (i.e. Docker, OpenShift) oProficiency with cloud platforms (i.e. AWS, Azure) and modern DevOps tools oExperience More ❯

and collaborative culture alongside other roles and disciplines. oProven ability to take ownership of complex development projects and deliver quality solutions on time. oStrong experience with programming languages (C#, JavaScript), related frameworks (.Net) and structures (MVC) oFamiliarity with database technologies (SQL) oExperience with container platforms (i.e. Docker, OpenShift) oProficiency with cloud platforms (i.e. AWS, Azure) and modern DevOps tools oExperience More ❯

sources Collaborating with architects and DevOps engineers to deliver secure, scalable solutions Participating in code reviews and agile ceremonies What we're looking for: Strong experience in Node.js and JavaScript (TypeScript a bonus) Experience working with cloud-native environments (AWS, Azure or GCP) Exposure to CI/CD pipelines and containerisation (Docker, Kubernetes) Comfortable working in a fast-moving consulting 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 ❯

to AI-driven projects used across government departments What we're looking for: Minimum 4 years' experience in full stack development Strong experience with both front-end (React/JavaScript/TypeScript) and back-end (Java, Spring Boot) technologies Proven experience designing, building and testing end-to-end web applications Strong understanding of relational databases and query performance (PostgreSQL/ More ❯

Full-stack experience and flexible enough to work on front end or back end tasks Experience and broad knowledge of modern design patterns (microservice) using modern web technologies, especially JavaScript (Node.js and React.js) as well as RESTful APIs and WebServices. Experience of leading teams in Cloud projects (GCP preferred) Experience of DevOps toolchains (Jenkins, Harness), container technologies (Kubernetes, Docker, Helm More ❯

Alerting & Monitoring requirements from production perspective are addressed in every project and system under change Relevant Technical Experience Strong C# web background, NET, MVC, Razor, AJAX HTML/CSS, JavaScript, Knockout, JQuery, Angular Entity Framework, Temporal DB WCF, web services, Microservices, Web APIs SQL Server Thorough understanding of SQL Server admin, SQL server performance tuning, T-SQL, Stored Procedures, Functions More ❯

Alerting & Monitoring requirements from production perspective are addressed in every project and system under change Relevant Technical Experience Strong C# web background, NET, MVC, Razor, AJAX HTML/CSS, JavaScript, Knockout, JQuery, Angular Entity Framework, Temporal DB WCF, web services, Microservices, Web APIs SQL Server Thorough understanding of SQL Server admin, SQL server performance tuning, T-SQL, Stored Procedures, Functions More ❯

scheme and pension plan with employer contributions of up to 7% Cycle to Work Scheme, employee retail discount scheme and free eye test vouchers About You Expert skills in JavaScript, TypeScript, React, Node.js, Express, RESTful API, GraphQL, Git, HTML, CSS, SQL Full understanding of Restful principles and OpenAPI specifications Secure design and implementation is core to your work and you More ❯

track record of successfully building and delivering digital products (web apps and services) to market using agile methodologies. Strong proficiency in C#, .NET, React and Azure. Other development skillsets: JavaScript, HTML/CSS, Azure PaaS (Azure Functions, Azure Logic Apps, Cosmos DB, Azure App Service, Azure Service Bus), ARM/Bicep templates, SharePoint. Demonstrable creative flair, attention to detail, tenacity More ❯

/UX design teams Experience working within regulated, high-availability, or performance-critical environments. Certifications such as AWS Certified Developer, AWS Solutions Architect, Meta Front-End Developer, or Certified JavaScript Developer To apply, please send your CV with a cover letter detailing why you are interested in this role to . More ❯