51 to 75 of 1,156 JavaScript Jobs in the UK

Senior Developer

Hiring Organisation
Reed.co.uk
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£80,000 per annum
Flask, or FastAPI) PostgreSQL (design, optimisation, maintenance) Containerisation (Docker/Kubernetes) Event-driven architecture (Kafka/RabbitMQ) Nice to have experience with: TypeScript/JavaScript (NextJS, NodeJS, Tailwind) Terraform and DevOps Experience building and scaling SaaS platforms in production. Strong background in software architecture, microservices, and API design. Hands ...

Engineering Manager

Hiring Organisation
Stepstone UK
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Tealium Event Stream, and Adobe Analytics Experience of integrating data sources via web and hypermedia APIs Proficient in Web Technologies like HTML, CSS, JavaScript, React.js, Next.js and Node.js, and in event-driven and eventual consistency systems using Kafka, .Net, Java, REST APIs, AWS, Terraform and DevOps Nice to have:experience ...

Lead Software Developer In Test - Lead Consultant

Hiring Organisation
TEN10 SOLUTIONS LIMITED
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
/testing roles, with experience guiding teams and managing delivery in Agile environments (SCRUM, Kanban). Strong programming skills in Java, C#, JavaScript/TypeScript, or similar. Deep expertise in test automation frameworks such as Selenium, Playwright, Cypress, or RestAssured . Experience with integration testing , test strategy , and test architecture ...

Staff Software Engineer

Hiring Organisation
Lockheed Martin
Location
Brockworth, Gloucestershire, UK
exciting journey of innovation and growth. What skills will I need? Expert knowledge of current Java. Proficient in another language such as Python, C++, JavaScript, TypeScript, React. Experience of developing on Linux. Advanced understanding of mocking and unit testing frameworks such as JUnit 5.x (Jupiter). Expert with Git version ...

Staff Software Engineer

Hiring Organisation
Lockheed Martin
Location
Brockworth, England, United Kingdom
exciting journey of innovation and growth. What skills will I need? Expert knowledge of current Java. Proficient in another language such as Python, C++, JavaScript, TypeScript, React. Experience of developing on Linux. Advanced understanding of mocking and unit testing frameworks such as JUnit 5.x (Jupiter). Expert with Git version ...

Senior Software Engineer

Hiring Organisation
Lockheed Martin
Location
Brockworth, Gloucestershire, UK
exciting journey of innovation and growth. 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. Thorough understanding of mocking and unit testing frameworks such as JUnit 5.x (Jupiter). Experienced with ...

Senior Software Engineer

Hiring Organisation
Lockheed Martin
Location
Brockworth, England, United Kingdom
exciting journey of innovation and growth. 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. Thorough understanding of mocking and unit testing frameworks such as JUnit 5.x (Jupiter). Experienced with ...

IT Solution Architect

Hiring Organisation
BDO
Location
London, United Kingdom
Employment Type
Permanent
communication, including presentation skills. Able to communicate to stakeholders at all levels of the organisation and 3rd parties. Experience working with the following technologies: JavaScript, React, C# .NET, Python, SQL, APIs, Azure, Power Platform, SaaS, PaaS, IaC. Exposure to and understanding of emerging technologies e.g. AI, LLMs, Machine Learning ...

Full Stack Developer - SC Cleared

Hiring Organisation
Run-Time Group Ltd
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Contract, Work From Home
8.0 (or newer), Restful APIs, LINQ, Visual Studio, Azure DevOps, IIS, SQL Server, including T-SQL, Schema Design, Performance Tuning. Front end requires: React (JavaScript Framework), CSS, JSON, Swagger, Postman, Lighthouse, Visual Studio, Azure DevOps ...

.Net Developer

Hiring Organisation
Crowd Link Consulting Ltd
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent
Salary
£60,000
Skills C#/.Net Core Vue or Angular or React or Typescript or Knockout SQL Server Web API, HTML, CSS, Web Services, JQuery and JavaScript Desirable skills AWS Services or Azure Docker/Rancher Unit Testing Selenium automation The role requires that you are an excellent team player ...

Lead Software Developer - .Net

Hiring Organisation
Hireful
Location
Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
evolving resilient, high-performance systems using the Microsoft stack, working across C#, .NET, SQL, Azure and modern front-end technologies such as React, JavaScript and TypeScript. If you have a passion for emerging technologies, DevOps, cloud platforms, this is the role for you... Role: Lead Software Developer, Senior .NET Developer ...

Technical Lead

Hiring Organisation
Erin Associates
Location
Birmingham, West Midlands, United Kingdom
Employment Type
Permanent
Salary
£70,000
integral role in the development of data-rich, user-friendly applications. Keywords : Technical Lead, Lead Developer, Senior Developer, Fullstack Developer, Node.js, React, Azure DevOps, Javascript, React Developer, Api, Birmingham, West Midlands, Solihull, Warwickshire To apply, please send your CV to Bethany at or call 0161 438 1177 for more details. ...

Software Developer

Hiring Organisation
VIQU IT Recruitment
Location
Leicester, Leicestershire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£350 - £370 per day
Participate in agile ceremonies and work closely with stakeholders throughout the project lifecycle. Key Skills & Experience Strong front-end development skills (HTML, CSS, Blazor, JavaScript). C# .NET and API development experience Familiarity with Azure cloud services. Strong SQL skills, MongoDB would be desirable. Experience with CI/CD pipelines ...

Full Stack Developer (Outside IR35)

Hiring Organisation
Hunter Healthcare Resourcing Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£350 - £425 per day
wider stakeholders to shape new features Skills and Experience Required • Minimum 5 years commercial software development experience • Strong experience with React and modern JavaScript or TypeScript • Experience building and integrating REST APIs • Strong SQL Server or Azure SQL experience • Experience working with Microsoft Azure including App Services, Functions and Storage ...

Full Stack Developer

Hiring Organisation
Erin Associates
Location
Birmingham, West Midlands, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£60,000
/CD pipelines and cloud-based deployments. Key Skills & Experience 5+ years commercial experience with TypeScript/React and Node.js. Proficiency in JavaScript libraries such as React or Next.js. Expert knowledge of REST API development using Node.js. Experience working with C# in enterprise environments. Familiarity with cloud computing, infrastructure ...

Full Stack Engineer

Hiring Organisation
Reed Professional Services
Location
City of London, London, United Kingdom
Full Stack Developer. Strong proficiency in Java and Python. Hands-on experience with API development and integration. Solid understanding of HTML, CSS, JavaScript, and modern front-end frameworks (e.g., React, Angular, or Vue). Experience with databases (SQL and NoSQL). Familiarity with version control systems (e.g., Git). Knowledge ...

Full Stack Developer

Hiring Organisation
Spectrum It Recruitment Limited
Location
Bath, Somerset, South West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£60,000
Experience: Essential: * Strong collaboration and communication skills * Backend development experience using C# .NET, Node.js or Next.js * Front-end development experience with TypeScript or JavaScript * Experience using Git or other version control systems Desirable: * Next.js * React.js * Sanity CMS * Vercel * SQL Server * Microsoft Azure (including Azure Functions) * Understanding of REST APIs ...

Senior C# Developer – Hybrid/Remote (UK-Based)

Hiring Organisation
Adria Solutions Ltd
Location
Manchester, United Kingdom
Employment Type
Permanent
Salary
£60000 - £70000/annum
Have) Experience with Azure App Services and Azure Service Bus Understanding of Agile methodologies (Scrum/Kanban) Familiarity with front-end technologies (HTML, CSS, JavaScript) Benefits: 34 days holiday plus extended Christmas shutdown Pension plan and flexible working Supportive, long-term career environment Ongoing training and professional development ...

Senior Software Engineer - eDV Cleared

Hiring Organisation
Searchability NS&D
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £100,000 per annum
SENIOR SOFTWARE ENGINEER TO HAVE.... Current enhanced DV clearance Experience with at least one or more of the following: Java, Python, C++, .NET, C#, JavaScript, React Experience mentoring juniors or leading a team Experience/Knowledge of automation IT WOULD BE NICE FOR THE SENIOR SOFTWARE ENGINEER TO HAVE.... Cloud ...

Senior React Developer

Hiring Organisation
INTEC SELECT LIMITED
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£120,000 - £140,000 per annum
Experience 5+ years of experience in frontend/UI engineering, with a focus on performance and scale Deep expertise in React, TypeScript, and JavaScript Strong understanding of WebSocket integration, low-latency data streaming, and threading Experience troubleshooting data-heavy UIs and optimising load times Familiarity with tools like Redis, Kafka ...

Contract Senior Software Engineer - eDV Cleared

Hiring Organisation
Searchability NS&D
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £750 per day
NEED THE SENIOR SOFTWARE ENGINEER TO HAVE.... Current enhanced DV clearance Experience with at least one of the following: Java, Python, C++, C#, .NET, JavaScript, React Experience mentoring juniors or leading teams is nice to have but not essential Experience/Knowledge of automation IT WOULD BE NICE ...

Java Full Stack Developer

Hiring Organisation
Mastek
Location
United Kingdom
collaboration and engineering the best possible Java code. Must Have Skills: Experience with Java 8, Java 11, Spring Framework, Spring Boot Solid understanding of JavaScript: Angular and NodeJS preferred Practical Micro services development experience • Practical Relational Database development experience (e.g. PostgreSQL) REST APIs • Strong understanding CI and DevOps technologies (Hands ...

Lead GenAI Full Stack Engineer / Managing Consultant

Hiring Organisation
83zero Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£85,000
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 ...

Senior React Engineer

Hiring Organisation
INTEC SELECT LIMITED
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
related field 5+ years of experience in frontend/UI engineering, with a focus on performance and scale Deep expertise in React, TypeScript, and JavaScript Strong understanding of WebSocket integration, low-latency data streaming, and threading Experience troubleshooting data-heavy UIs and optimising load times Familiarity with tools like Redis ...

Software Engineer

Hiring Organisation
Mane Contract Services
Location
Filton, Gloucestershire, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 Annual
forward-thinking technical environment. Required experience includes proficiency in modern Java and ideally some experience with other languages such as Python, C++, JavaScript or TypeScript. Experience developing on Linux, understanding mocking and unit-testing frameworks such as JUnit, and using Git version control are important. You should have knowledge ...