51 to 75 of 3,893 JavaScript Jobs in the UK

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 ...

Software Engineer

Location
Nottingham, England, United Kingdom
like Angular , React, or Vue (we use Angular, but welcome transferable framework skills). Core Web Stack: Strong hands‐on proficiency with TypeScript/JavaScript , HTML5, and CSS. API Integration: Hands‐on experience consuming and integrating RESTful or web APIs. Testing Discipline: Solid unit and component testing habits built directly ...

Sr. Full Stack Developer

Location
Greater London, England, United Kingdom
databases like Redis, DynamoDB.* Good understanding of the Agile methodologies and working in Scrum/SAFE practices* Familiarity 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 ...

Senior Full Stack Developer

Hiring Organisation
Ntegra
Location
United Kingdom, UK
line management responsibilities as the role matures, including conducting 1:1s, providing performance feedback and supporting career development. Essential Skills/Experience Strong JavaScript/TypeScript skills, including front-end development with React and back-end experience with Node.js or similar frameworks Working knowledge of Python with a willingness ...

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. ...

Node Developer

Location
Greater London, England, United Kingdom
Agile development cycles, contributing to sprint planning, code reviews, and continuous delivery. Key Skills/Experience Proven experience in Node.js development Strong knowledge of JavaScript (ES6+), asynchronous programming, and event‐driven architecture. Experience with building and maintaining RESTful APIs. Solid understanding of SQL and NoSQL databases (e.g., MongoDB, PostgreSQL, MySQL ...

Sr. Technical Lead / Architect

Location
Greater London, England, United Kingdom
development using frameworks such as FastAPI, Flask, or Django; Experience designing and developing RESTful APIs; Good understanding of front-end development with React JS, JavaScript (ES6+), and TypeScript; intermediate knowledge is sufficient; Familiarity with state management using Redux or Context API and experience integrating REST APIs into front-end applications ...

Senior Front-End Web Developer (AVP)

Location
Belfast City District, Northern Ireland, United Kingdom
Education Bachelor's degree in Computer Science, Software Engineering, or a related field (or equivalent practical experience). Technical Skills Commercial experience of React.js, JavaScript, HTML, and CSS. Understanding of Java Familiarity with REST APIs. Knowledge of version control systems such as Git. Knowledge of Agile/Scrum methodologies Basic ...

Principal Software Engineer UK Wide

Location
United Kingdom
focus on large-scale, complex systems. Polyglot engineer comfortable working across multiple languages and frameworks (we’ve 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 software ...

Principal Developer

Location
United Kingdom
Redis, Elasticsearch, Caching Web Technologies (at least one of) - Spring MVC, JSF (IceFaces), Struts, Wicket Hibernate or other ORM Build Tools - Maven, GitHub Actions JavaScript Frameworks (at least one of) – React, Angular (8+) SQL Database technologies (at least one of) - SQL Server, PostgreSQL No SQL Databases (at least ...

AI Engineer-Anthropic-University/Graduate Level - UK

Location
Greater London, England, United Kingdom
relevant experience through internships, co‐ops, research, freelance work, academic projects, or professional roles. Experience with one or more programming languages, preferably Python, JavaScript/TypeScript, Java, or similar languages. Foundational understanding of software engineering concepts, APIs, databases, source control, and cloud‐based applications. Exposure to generative AI, LLMs, prompt ...

Senior Full Stack Engineer

Location
City of Edinburgh, Scotland, United Kingdom
confidently. Essential Skills 5+ years’ proven experience in a Full Stack Engineering role, with advanced skills in .NET, Java or Python, plus modern JavaScript libraries. Experience taking ownership of delivery for services or significant components across the full lifecycle from design to operation. Strong understanding of architectural and design patterns ...

Senior Full Stack Engineer - Vialto Rewards -

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 ...

Technical Lead

Hiring Organisation
London Stock Exchange Group
Location
London, UK
Employment Type
Full-time
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 programmingProficiency in at least one of the standard scripting languages – Terraform, Bash, Ansible, etc. Good understanding of Software engineering ...

Full-Stack Development- Consultant

Location
City Of London, England, United Kingdom
performance. Harness modern development and Azure DevOps practices, including CI/CD, containerization, and automated testing. Required Technical Skills Programming: C#/.NET, JavaScript/TypeScript Service Development: building web applications and web APIs using .NET and cloud services Cloud: Azure and others Database: (worked with one or more … Framework, CosmosDB Design & Style: HTML5, Responsive/Adaptive Design, CSS3, Bootstrap Frameworks: (Worked with one or more of) Angular, React, NodeJS, Vue.js, or equivalent JavaScript DevOps: Git, Azure DevOps, GitHub Nice-to-Have Skills Azure AI Foundry, Semantic Kernel or Autogen #J-18808-Ljbffr ...

C# Developer

Hiring Organisation
Colossus Recruitment Ltd
Location
Solihull, Bickenhill, West Midlands (County), United Kingdom
Employment Type
Permanent
Salary
£55000 - £65000/annum
C# Developer (C# MSSQL, Azure, Javascript) Hybrid working Our client is looking for an experienced Full Stack Software Engineer with strong C# expertise to help design, build and enhance the next generation of business-critical applications. This is an opportunity to join a high-performing, fast-growing organisation where technology … working together to achieve exceptional outcomes. The Role As a Software Engineer, you will: Design, develop and maintain scalable web applications using C#, modern JavaScript frameworks and cloud technologies Build intuitive front-end user experiences alongside robust back-end services Develop new functionality through API integrations, databases and cloud services ...

React Front End Developer

Hiring Organisation
Colossus Recruitment Ltd
Location
Solihull, Bickenhill, West Midlands (County), United Kingdom
Employment Type
Permanent
Salary
£50000 - £60000/annum
React Frontend Developer (React Javascript Typescript) Our client is looking for a talented Front End Software Engineer with strong React.js experience to help design, develop and enhance a suite of modern web applications, customer-facing platforms and business-critical internal systems. This is an opportunity to join a growing organisation … from delivering meaningful results. The Role As a Front End Software Engineer, you will: Build and maintain high-quality, scalable web applications using React.js, JavaScript, TypeScript and modern web technologies Develop intuitive and engaging user interfaces that deliver exceptional user experiences Work with frameworks and libraries such as React, Next.js ...

Software Developer

Hiring Organisation
Blues Point Ltd
Location
Stockport, Cheshire, United Kingdom
Employment Type
Full-Time
Salary
£43,000 - £50,000 per annum
need solid commercial experience with: C# and .NET Microsoft Azure and cloud-based development Microsoft SQL Server and T-SQL HTML, CSS and JavaScript A modern JavaScript framework such as React or Angular The software development lifecycle, including development, testing and deployment Secure software development principles Agile development environments ...

Software Engineer

Hiring Organisation
RedTech Recruitment Ltd
Location
Cambridge, Cambridgeshire, East Anglia, United Kingdom
Employment Type
Permanent
Salary
£75,000
within collaborative engineering teams An interest in complex technical challenges, data-driven systems and emerging technologies Experience with cloud environments, Git, CI/CD, JavaScript, C++ or additional languages from the above technology stack would be beneficial but is not essential Responsibilities for Software Engineer: Design, develop and enhance innovative …/Platform Engineer/Cloud Engineer/Full Stack Developer/Application Developer/Python/TypeScript/Rust/Golang/Go/JavaScript/Node.js/Docker/Git/CI/CD/Linux/AWS/Azure/Kubernetes/Microservices/REST APIs/C++ ...

Senior Developer (Microsoft Dynamics & Integration)

Location
Greater London, England, United Kingdom
integration services Develop integrations with external APIs (REST, SOAP, webhooks) with strong error handling and resilience Create and enhance front-end components using JavaScript/TypeScript, HTML, and CSS Work closely with architecture teams to translate designs into scalable technical solutions Collaborate with third-party suppliers to ensure quality … Proficient in C# and .NET for back-end and integration development Experience working with APIs (REST/SOAP) and authentication methods Strong knowledge of JavaScript/TypeScript and modern web technologies Experience with CI/CD, DevOps practices, and Azure services Good understanding of databases and data modelling principles Strong ...

Senior Software Engineer, AI Centre of Excellence Software engineering London

Location
Greater London, England, United Kingdom
Llama, Gemini) and applying them to real‐world problems. Strong backend engineering expertise, including RESTful APIs and micro‐services design. Proficiency in Python/JavaScript and familiarity with AI frameworks (e.g., LangChain, PydanticAI). Solid understanding of cloud computing (AWS, GCP, or Azure), containerisation (Docker, Kubernetes), and Infrastructure‐as‐Code … thrive in fast‐paced environments. Excellent communication and collaboration skills across diverse teams. Preferred qualifications: Proficiency in C# or Java. Frontend development experience with JavaScript/TypeScript and frameworks such as React. Experience developing Generative AI applications, including model fine‐tuning and prototyping. Awareness of ethical AI practices and emerging ...

Senior Software Engineer, AI Centre of Excellence

Hiring Organisation
Checkout.com
Location
London, UK
Employment Type
Full-time
Llama, Gemini) and applying them to real-world problems. Strong backend engineering expertise, including RESTful APIs and micro-services design. Proficiency in Python/JavaScript and familiarity with AI frameworks (e.g., LangChain, PydanticAI).Solid understanding of cloud computing (AWS, GCP, or Azure), containerisation (Docker, Kubernetes), and Infrastructure-as-Code (Terraform … thrive in fast-paced environments. Excellent communication and collaboration skills across diverse teams. Preferred qualifications: Proficiency in C# or Java. Frontend development experience with JavaScript/TypeScript and frameworks such as React. Experience developing Generative AI applications, including model fine-tuning and prototyping. Awareness of ethical AI practices and emerging ...

Golang Full Stack Developer

Hiring Organisation
DNS Info Ltd
Location
Glasgow, Glasgow City, City of Glasgow, United Kingdom
Employment Type
Contract
Contract Rate
£350 - £450/day Inside IR35
commercial experience with Golang/Go. Strong experience in React.js/Next.js/TypeScript. Solid experience developing REST APIs and microservices. Good knowledge of JavaScript, HTML, and CSS. Experience with PostgreSQL, MySQL, MongoDB, or similar databases. Experience with Docker and Kubernetes. Hands-on experience with AWS, Azure, or GCP. Good ...

Java Developer

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Croydon, London, United Kingdom
Employment Type
Contract
Contract Rate
£515/day inside ir35
Gradle Strong problem-solving and analytical skills Desirable experience AWS, Azure or GCP Docker and Kubernetes CI/CD pipelines HTML, CSS and JavaScript Agile/Scrum environments If you are interested in this role, please feel free to submit your CV. ...