101 to 125 of 1,665 JavaScript Jobs in the UK

Test Automation Engineer

Hiring Organisation
Advanced Resource Managers Limited
Location
Bristol, Avon, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
frameworks in Playwright (TypeScript or Java), including fixtures, Page Object Model, and parallel cross-browser execution Proficiency in at least one of TypeScript/JavaScript, Java, C# or Python Solid understanding of functional, regression, integration, smoke and end-to-end testing Experience with Git and working in Agile/Scrum ...

Senior Lead Software Engineer - Full Stack ReactJS, Java, Python, AWS, AI/ML

Location
Greater London, England, United Kingdom
full stack development experience, with at least 3 years in a technical leadership or lead developer role. Expert proficiency in React, TypeScript, modern JavaScript (ES6), HTML5, and CSS3, with a track record of building accessible, high-performance, production-grade interfaces. Experience integrating APIs or services into front-end applications. Building ...

Senior Scientific Data Engineer

Location
Greater London, England, United Kingdom
delivering data products, integrations, and scientific applications as a Data Engineer or in a similar field. Expertise in Python and working knowledge of JavaScript, TypeScript, Node, React, SQL. Familiarity with networking, CI/CD, and full stack development. Familiarity with cloud engineering on AWS, including core services such ...

Lead Java Software Engineer

Hiring Organisation
Sanderson Government and Defence
Location
United Kingdom
Employment Type
Permanent Contract, On-site
Salary
£75,000
team growth Key Skills Software architecture and system design Cloud-native development and deployment strategies Advanced programming across multiple languages (e.g. Java, Python, JavaScript) CI/CD and automation practices Code quality, testing, and engineering standards DevOps and operational excellence Leadership, mentoring, and team development Stakeholder communication and engagement What ...

Lead Engineer

Location
Greater London, England, United Kingdom
TypeScript (Node.js & React), AWS (EKS, Lambda, Aurora RDS), Kubernetes, GraphQL, Kafka, Mongo. You're comfortable with all of these, and have extensive knowledge of JavaScript more generally, the AWS ecosystem, and running containerised applications. Past Experience - You are currently a Lead Engineer or Tech Lead, leading a small team ...

Senior Intelligent Automation & Low-Code Developer (Power Platform & Copilot)

Location
Greater London, England, United Kingdom
Power Platform and/or Copilot Previous RPA experience (UiPath, Power Automate Desktop, Blue Prism, Automation Anywhere) Knowledge of coding languages (e.g., .NET, JavaScript, Python ) to extend low-code solutions Experience integrating Power Platform with Azure AI services or other enterprise systems What's in It for You? 25 Days ...

Senior Quality Engineer

Location
Belfast, Northern Ireland, United Kingdom
Quality Engineering, Test Automation Development, or Software Testing. 2+ years building and maintaining automated test frameworks from the ground up using C#, Python, Java, JavaScript, or TypeScript with tools such as Selenium WebDriver, Cypress, Playwright, XCUITest, Espresso and Appium. Strong experience with API testing tools and frameworks (Postman, REST Assured ...

Lead Software Developer In Test - Lead Consultant

Hiring Organisation
Scale Factory
Location
South East London, South East, United Kingdom
Employment Type
Permanent Contract, Hybrid
leadership in QA/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 ...

Senior Web Developer

Location
Birmingham, England, United Kingdom
wider payments industry, with a passion for learning and continuous improvement. Skills in the following areas are considered essential: Java HTML CSS JavaScript REST APIs Spring Boot JBoss J2EE JSP Servlets etc. Gradle or Maven Databases (Oracle) DDL and SQL Basic Networking Git & GitHub Linux (bash, ksh, ssh, etc.) Experience ...

Senior Software Developer - C#/.NET - London, Hybrid

Location
Greater London, England, United Kingdom
.NET Core, and SQL/T-SQL. Solid understanding of database design, performance optimisation, and query tuning. Experience delivering front-end functionality using HTML, JavaScript, and Razor. Experience building and supporting integrations with third-party systems using REST APIs or similar technologies. Practical experience working with Azure Cloud Services ...

Full-Stack Engineer – Billing & Platform (PHP/React)

Location
Scotland, United Kingdom
alongside hands-on experience designing, building, and consuming REST APIs and system-to-system integrations . Modern frontend stack: Practical experience with TypeScript/JavaScript, Node.js, and modern frontend frameworks such as React . Engineering & DevOps foundations: Familiarity with modern software development practices (Git, code reviews, automated testing) and DevOps ...

Chief Technology Officer (CTO)

Location
Havant, England, United Kingdom
Strong understanding of modern development practices (CI/CD, automated testing, DevOps, cloud‐native architectures). Broad knowledge of the following technology stacks (e.g., JavaScript/TypeScript, Python, .NET, Java, Low‐Code) and experience overseeing full‐stack development. Experience with cloud platforms (AWS, Azure etc.). Strong understanding of data ...

Forward Deployed Engineer

Hiring Organisation
Hackajob Ltd
Location
Newcastle Upon Tyne, North East, United Kingdom
Employment Type
Permanent Contract, On-site
direct experience calling LLM APIs in production code with an understanding of token management, latency, and cost tradeoffs Basic understanding of web technologies including JavaScript, HTML, and CSS Familiarity with cloud fundamentals (AWS, Azure, or GCP), containers (Docker), and CI/CD pipelines Understanding of Agile delivery fundamentals Experience with ...

Developer - CDM

Hiring Organisation
RS Group
Location
North Northamptonshire, United Kingdom
Employment Type
Full Time
data modelling and data warehousing skills, with the ability to transform, reconcile and manage customer data across multiple systems. Proficiency in Java, Python or JavaScript for integrations, automation and platform development. Experience with CI/CD, source control, automated testing and deployment pipelines using tools such as GitHub, GitLab, JFrog ...

Staff Android Engineer

Location
Greater London, England, United Kingdom
Docker, Kubernetes, and cloud platforms such as AWS, GCP or Azure Understanding of UX principles HTML, CSS, and related web technologies Experience with modern JavaScript libraries and tooling, such as React, Redux, Webpack Any server side development languages such as Java/Kotlin The partnership We're the largest employee ...

Full Stack Engineer

Location
Annan, Scotland, United Kingdom
databases, alongside hands-on experience designing, building, and consuming REST APIs and system-to-system integrations. Modern frontend stack: Practical experience with TypeScript/JavaScript, Node.js, and modern frontend frameworks such as React. Engineering & DevOps foundations: Familiarity with modern software development practices (Git, code reviews, automated testing) and DevOps tools ...

Senior Lead Software Engineer - Hybrid (Azure/.NET)

Location
Greater London, England, United Kingdom
.NET Core, and SQL/T-SQL. Solid understanding of database design, performance optimisation, and query tuning. Experience delivering front-end functionality using HTML, JavaScript, and Razor. Practical experience working with Azure Cloud Services and Azure DevOps (or equivalent CI/CD tooling). Proficiency with Visual Studio ...

Lead Fullstack Software Engineer - Java, Springboot, Microservices

Hiring Organisation
TPXImpact Holdings Plc
Location
East London, South East, United Kingdom
Employment Type
Permanent Contract, On-site
Salary
£75,000
polyglot is preferred. Strong understanding of software development methodologies such as Agile, TDD and DevOps. Some proficiency in multiple programming languages such as Python, JavaScript, or similar. Extensive experience writing well-tested code. Good knowledge of cloud platforms (e.g., AWS, Azure, GCP) and infrastructure as code Experience with CI/ ...

Software Full Stack Support/Developer

Location
Milton Keynes, England, United Kingdom
mentor less experienced team members. You will be successful in this role if you have: Must-Have: Strong experience in .NET (C#), ASP.NET, JavaScript, HTML, CSS development. Proven background in web development using the above or similar technologies. Experience working with and supporting operational systems. Knowledge of web development patterns. ...

Software Engineer - AI Integration - Fixed Term Contract - 12 months

Location
Liverpool, England, United Kingdom
Bring A degree in a relevant STEM discipline, or equivalent practical experience. Strong programming fundamentals in Java or another statically typed language. Experience with JavaScript and modern web-development fundamentals. A sound understanding of relational databases, data modelling and SQL. Experience using Git, Docker, automated testing and common software-development ...

Software Engineer (eDV Cleared)

Hiring Organisation
BAE Systems
Location
United Kingdom
Employment Type
Full Time
others and continue developing your capability. Essential Skills You will need evidence of: Experience developing software in at least one programming language, such as JavaScript, Java, .NET or Python. Applying software engineering principles to build, test or maintain working systems. Using a version control system, such as Git, Mercurial ...

Staff Android Engineer

Location
Greater London, England, United Kingdom
Docker, Kubernetes, and cloud platforms such as AWS, GCP or Azure Understanding of UX principles HTML, CSS, and related web technologies Experience with modern JavaScript libraries and tooling, such as React, Redux, Webpack Any server side development languages such as Java/Kotlin Closing Date: January ...

Senior DevSecOps Engineer

Location
West of England, England, United Kingdom
nice if you had Microsoft - C#, .NET, SharePoint, SQL. Data Engineering – experience of one or more: Apache ecosystem, SQL, Python. Web - HTML, CSS, JavaScript, XML, SOAP. Experience with Secure DevSECOps within an Agile/SAFe environment. Containerisation - Docker, Kubernetes, Kubeflow etc. Software development capability. Any form of prior development expertise ...

.Net Developer

Location
Greater London, England, United Kingdom
API.* Experience working with relational databases such as Oracle or SQL Server* Basic front end web development experience or keenness to learn Angular, Typescript, JavaScript, HTML/CSS.* Any exposure to application containerisation and orchestration tools such as Docker and Kubernetes would be highly beneficial* Experience working with code repositories ...

Front-End Lead Software Engineer Thomson Reuters

Location
Greater London, England, United Kingdom
assisted development tools for code generation, code review, and test generation to improve team velocity and code quality. Technical skills TypeScript and modern JavaScript – Advanced React – Expert HTML5/CSS3 – Expert RESTful APIs – Advanced AWS – Intermediate to Advanced Git version control and CI/CD pipelines Docker containerization Automated testing ...