26 to 50 of 1,620 JavaScript Jobs in the UK

Lead .NET Developer

Hiring Organisation
Hippo Digital
Location
London, England, United Kingdom
full development lifecycle delivering user-centred digital solutions. Advanced full stack developer skills using C#, F#, ASP.NET MVC, HTML, CSS, and JavaScript. JavaScript library and framework experience is preferable – Node, React, Angular. Containerisation expertise – Docker or Kubernetes or similar. Expert knowledge of Microservices design and architecture, including RESTful API Services. ...

Senior Software Engineer (Full Stack)

Location
Belfast City District, Northern Ireland, United Kingdom
Engineer in Typescript in a professional environment. Front-end skills Proficient in HTML5, CSS3, and Typescript Proficient in React, Redux, ReactQuery Experience with modern JavaScript frameworks - React Knowledge of version control systems (Git) Understanding of cross-browser compatibility Familiarity with RESTful APIs, GraphQL and Websockets Experience with CSS pre-processors ...

Full Stack Developer : Azure Databricks

Hiring Organisation
Eaglecliff Recruitment
Location
London, UK
Employment Type
Full-time
collaborate effectively across teams while supporting technical delivery. Technical Expertise Strong proficiency in front-end technologies: React/Angular/Vue, HTML5, CSS3, JavaScript/TypeScript Solid experience in back-end technologies: Node.js/.NET/Java/Python, REST APIs, GraphQL Strong understanding of databases: SQL (PostgreSQL, MySQL ...

Java Full Stack Engineer

Hiring Organisation
Sanderson Government and Defence
Location
United Kingdom
Employment Type
Permanent
Salary
£55,000
including AWS and Azure Skills and Experience Essential Extensive experience building microservices using Java and Spring Boot Experience developing front-end web applications using JavaScript and/or TypeScript, React, HTML and CSS Experience using Git for version control Experience with repository management platforms such as GitHub or GitLab Experience ...

Senior Software Engineer - Cloud

Location
Cambridge, England, United Kingdom
APIs A backend web framework (e.g. Micronaut, Spring) Google Cloud or an equivalent cloud service provider (e.g. AWS, Azure) HTML, CSS and TypeScript or JavaScript React or an equivalent frontend technology (e.g. Angular) Containerisation (e.g. Docker, Podman) Automated testing (e.g. JUnit, Mockito, pytest) Automated build and deployment pipelines Version control ...

Senior AI & Integration Engineer – C# / .NET / Azure

Hiring Organisation
Adria Solutions Ltd
Location
Manchester, United Kingdom
Employment Type
Permanent
Salary
£70000 - £75000/annum
Graph, Teams and SharePoint integrations. Azure AI services, document processing and retrieval-based solutions. Logic Apps, API Management, Service Bus and Key Vault. TypeScript, JavaScript or Python. Docker, infrastructure as code or Model Context Protocol. Salary & benefits £70,000–£75,000 salary. Four days working from home- one office Flexible ...

Software Engineer

Location
United Kingdom
when needed QUALIFICATIONS AND EXPERIENCE About you The ideal Software Engineer: Strong commercial experience with Python Experience with React and Next.js Good knowledge of JavaScript and/or TypeScript Experience designing and consuming RESTful APIs Experience with relational databases such as PostgreSQL, MySQL or SQL Server Strong HTML ...

Senior AI Software Engineer / AI Model Specialist

Location
Greater London, England, United Kingdom
written and verbal communication skills in English. Ability to work independently and within distributed international teams. Programming Languages Technical Skills Python (Expert Level) C# JavaScript/TypeScript SQL AI & Machine Learning Machine Learning Deep Learning Neural Networks Natural Language Processing (NLP) Generative AI Large Language Models (LLMs) Retrieval-Augmented Generation ...

Senior Software Developer ( SC Cleared )

Location
Greater London, England, United Kingdom
Requirements Essential Skills: Strong full-stack development capability across backend, databases, and front-end applications Strong hands-on full-stack development experience using Node.js(JavaScript/TypeScript), backend frameworks (e.g., Express) and modern front-end frameworks (Angular preferred) with additional experience in Java (Spring Boot) Experience with AWS serverless architectures ...

Experienced .NET Engineer

Location
Maidstone, England, United Kingdom
following: .NET Core 3.1 ASP.NET MVC (Core), Razor Pages, Blazor EF Core Azure (Web Apps, Serverless, Messaging, SQL Server/CosmosDB) HTML, CSS and JavaScript frameworks (React/Angular) CI/CD tools (Azure DevOps, CircleCI) Entity Framework Nice to Have Experience with API design (REST, JSON) Knowledge of distributed ...

Portfolio Software Full Stack Engineer (Contractor)

Location
Cambridge, England, United Kingdom
improvements. Stay current with emerging AI development tooling and software engineering practices. Required Skills & Experience Strong proficiency in Node.js development using TypeScript and modern JavaScript (ES6+) . Experience designing and implementing RESTful APIs and backend services . Strong understanding of software engineering principles, clean code practices and maintainable application architecture. ...

Principal Software Engineer

Hiring Organisation
TPXImpact Holdings Plc
Location
United Kingdom
Employment Type
Permanent
Salary
£90,000
with a focus on large-scale, complex systems. Polyglot engineer comfortable working across multiple languages and frameworks (weve used Python, Java, Kotlin, Node.js, C#, JavaScript, Express, React and Next.js to name a few). Passion for learning new technologies and helping others do the same. Proven track record of leading ...

Lead Full-Stack Software Engineer

Hiring Organisation
TPXImpact Holdings Plc
Location
United Kingdom
Employment Type
Permanent
Salary
£85,000
design, development, testing, and deployment. Some of the languages and frameworks our teams work with: Java/Kotlin Python C#/.NET Full stack JavaScript (Express, React, Node.js etc.) We expect you to have deep experience in at least one of the above; you will also be flexible and comfortable ...

Lead Full-Stack Software Engineer UK Wide

Location
United Kingdom
design, development, testing, and deployment. Some of the languages and frameworks our teams work with: Java/Kotlin Python C#/.NET Full stack JavaScript (Express, React, Node.js etc.) We expect you to have deep experience in at least one of the above; you will also be flexible and comfortable ...

Java Full Stack Engineer-Consultant-Digital Excellence

Location
Glasgow, Scotland, United Kingdom
exhaustively) NodeJS, Java, Kotlin, Spring boot framework, RESTful microservices, NoSQL databases.## **YOUR PROFILE*** Extensive experience of building microservices with Java (Spring Boot)* Experience using JavaScript/Typescript to build fronted web applications using React, HTML and CSS* Experience using version control software - Git* Experience using online version control tools - GitHub ...

Java Full Stack Engineer-Consultant-Digital Excellence

Location
Manchester, England, United Kingdom
exhaustively) NodeJS, Java, Kotlin, Spring boot framework, RESTful microservices, NoSQL databases.## **YOUR PROFILE*** Extensive experience of building microservices with Java (Spring Boot)* Experience using JavaScript/Typescript to build fronted web applications using React, HTML and CSS* Experience using version control software - Git* Experience using online version control tools - GitHub ...

Java Full Stack Engineer-Consultant-Digital Excellence

Location
Greater London, England, United Kingdom
exhaustively) NodeJS, Java, Kotlin, Spring boot framework, RESTful microservices, NoSQL databases.## **YOUR PROFILE*** Extensive experience of building microservices with Java (Spring Boot)* Experience using JavaScript/Typescript to build fronted web applications using React, HTML and CSS* Experience using version control software - Git* Experience using online version control tools - GitHub ...

Java Full Stack Engineer-Consultant-Digital Excellence

Location
Newcastle upon Tyne, England, United Kingdom
exhaustively) NodeJS, Java, Kotlin, Spring boot framework, RESTful microservices, NoSQL databases.## **YOUR PROFILE*** Extensive experience of building microservices with Java (Spring Boot)* Experience using JavaScript/Typescript to build fronted web applications using React, HTML and CSS* Experience using version control software - Git* Experience using online version control tools - GitHub ...

Senior .Net Developer

Location
Greater London, England, United Kingdom
designing and developing solutions utilising most of the following technologies:• Strong front end web development experience with Angular or React (we use Angular), Typescript, JavaScript, HTML/CSS with an eye for good UX• Experience in designing and building distributed systems using Microsoft C#, .NET Core and Web API• Experience ...

Graduate Software Engineering Programme April 2027

Hiring Organisation
Capgemini
Location
Telford and Wrekin, United Kingdom
Employment Type
Full Time
Salary
35000 GBP Annually
analysis or insights Software Engineer: Degree in Computer Science or related a STEM discipline Proficiency in one or more programming languages (Java, Python, C++, JavaScript) Understanding of object-oriented programming (OOP) principles Experience with modern frameworks (e.g. React, Angular, Spring Boot, Django) Knowledge of full-stack development concepts (e.g. MEAN ...

GenAI Full Stack Engineer - Consultant / Senior Consultant - Digital Excellence

Location
United Kingdom
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 ...

Senior Full Stack Engineer - Vialto Rewards - Senior Manager

Hiring Organisation
Vialto Partners
Location
London, UK
Employment Type
Full-time
development experience building enterprise web applications and services, ideally including payroll, compensation, equity, HR, finance, or tax domains. Strong experience designing and building large JavaScript applications with Next.js and/or React (TypeScript, state management, performance optimization). Strong backend development experience in C# and .NET (ASP.NET, WebAPI, MVC) including ...

Technical Lead

Location
Greater London, England, United Kingdom
Nexus, etc. Good understanding on Containerisation solutions, e.g., K8, Docker, Kaniko, etc. Proficiency in at least one of the standard programming languages – Java/JavaScript, C#, Python, or similar Object-oriented programming Proficiency in at least one of the standard scripting languages – Terraform, Bash, Ansible, etc. Good understanding of Software ...

Automation Engineer

Hiring Organisation
ARM
Location
Manchester, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £650/day Inside IR35 (Market rate)
some or all of the following: Test Automation Selenium Cypress Playwright Test automation frameworks End-to-end testing API testing Programming Java Python JavaScript TypeScript API & Quality Engineering REST Assured Postman Bruno REST APIs Test strategy and quality assurance principles DevOps & CI/CD Jenkins GitHub Actions GitLab ...

Sr. Full Stack Developer (Java, React & Python)

Location
City Of London, England, United Kingdom
NoSQL databases like Redis, DynamoDB.Good understanding of the Agile methodologies and working in Scrum/SAFE practicesFamiliarity with front-end technologies (HTML, CSS, JavaScript) is a plus.Exposure to the AI/ML techniques & methodologies is a plus.Knowledge of software development best practices, including version control (Git) and continuous integration ...