26 to 50 of 1,069 JavaScript Jobs in the UK

Software Engineering Specialist - DV Cleared

Location
London, United Kingdom
standards and best practices. Technical Skills We are interested in engineers with experience across some of the following technologies: Programming: Python, Java, C++, C#, JavaScript Cloud: AWS, Azure, GCP DevOps: Jenkins, GitLab, GitHub Actions, CI/CD Infrastructure as Code: Terraform, Ansible, Chef, Puppet Containerisation: Docker, Kubernetes, Helm, OpenShift Operating ...

Graduate Software Engineer

Hiring Organisation
McGregor Boyall
Location
Belfast, County Antrim, United Kingdom
Employment Type
Full-Time
Salary
£35,000 - £40,000 per annum
internships, placements, graduate roles, bootcamps, or personal projects) Understanding of software engineering principles and development methodologies Experience or academic exposure to: HTML, CSS and JavaScript React or similar frontend frameworks Python development REST APIs SQL and relational databases Git and version control Strong analytical and problem-solving skills Excellent communication ...

Lead Software Developer - SC Cleared

Hiring Organisation
Network IT
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 625 Daily
applications and writing performant code, Git, abstracting code into core libraries and creating reusable components, debugging and systems analysis, HTML5, CSS/SASS & Javascript and TypeScript, familiarity with a frontend framework such as Angular/React/Vue (Angular preferred), CI/CD and pipelines. Leadership - You are a strong ...

Senior Software Developer in Test - Senior Consultant

Hiring Organisation
Scale Factory
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
clearance Significant experience in Agile environments (e.g., SCRUM, Kanban). Solid technical development background with strong coding skills in Java, C#, TypeScript, JavaScript, or similar Proven expertise in automation testing, with hands-on experience using tools like Playwright, Selenium, Cypress, or RestAssured Strong knowledge of integration testing and automation frameworks ...

Senior Software Engineer II -Java

Hiring Organisation
LexisNexis Risk Solutions Group
Location
London, UK
Employment Type
Full-time
Boot and Web Services. Strong understanding of REST APIs, Spring Boot, Micro Services and SOA web services. Expertise with front-end technologies such as JavaScript, TypeScript, Angular, and/or ReactJS.Ability to explain design decisions and trade-offsTechnical leadership and influenceConfidence driving technical discussionsProficiency in SQL, including query writing, stored ...

Senior Fullstack Software Engineer - (Java, Spring Boot, Microservices

Hiring Organisation
TPXImpact Holdings Plc
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£70,000
Agile and DevOps practices, with a focus on continuous integration and delivery. Some proficiency in one or more programming languages (e.g., Python, Java, JavaScript) and experience with software architecture patterns. Experience with cloud platforms (e.g., AWS, Azure, GCP) and infrastructure as code. Familiarity with CI/CD pipelines, automated testing ...

Forward Deployed Engineer

Hiring Organisation
Hackajob Ltd
Location
Newcastle Upon Tyne, Tyne and Wear, North East, United Kingdom
Employment Type
Permanent
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 ...

QE AI Engineer (Python)

Hiring Organisation
NTT DATA
Location
London, UK
Employment Type
Full-time
full SDLC, not limited to test execution Experience working with at least one modern programming language such as Python (is a MUST), Java, JavaScript/Typescript or C# Experience with web, API, and non-functional testing approaches Experience using CI/CD pipelines to integrate and run automated tests Good ...

Software Engineer - Data & AI

Hiring Organisation
McLaren Group
Location
Woking, Surrey, UK
Employment Type
Full-time
risk early. What You'll Bring Python (FastAPI), Node.js, REST APIs. SQL and PostgreSQL.Redis/Valkey for session and WebSocket coordination at scale. Strong JavaScript/TypeScript, HTML5, CSSReact (or equivalent), component architecture, state management. Responsive design, web performance (Core Web Vitals: LCP/INP/CLS).Git-based workflows ...

Power Platform / D365 Technical Lead

Hiring Organisation
Version 1
Location
Edinburgh, UK
Employment Type
Full-time
Automate, Dataverse Experience of implementing D365 CE modules such as Sales, Customer Service, Contact Centre, Customer Insights Front end development experience using HTML, CSS, JavaScript, jQuery, Liquid Template Strong server-side development experience C#/.Net Strong experience using Plugins, Custom Workflow Activities, Custom APIs Integration experience with REST APIs ...

Power Platform / D365 Technical Lead

Hiring Organisation
Version 1
Location
Belfast, UK
Employment Type
Full-time
Automate, Dataverse Experience of implementing D365 CE modules such as Sales, Customer Service, Contact Centre, Customer Insights Front end development experience using HTML, CSS, JavaScript, jQuery, Liquid Template Strong server-side development experience C#/.Net Strong experience using Plugins, Custom Workflow Activities, Custom APIs Integration experience with REST APIs ...

Power Platform / D365 Technical Lead

Hiring Organisation
Version 1
Location
Birmingham, UK
Employment Type
Full-time
Automate, Dataverse Experience of implementing D365 CE modules such as Sales, Customer Service, Contact Centre, Customer Insights Front end development experience using HTML, CSS, JavaScript, jQuery, Liquid Template Strong server-side development experience C#/.Net Strong experience using Plugins, Custom Workflow Activities, Custom APIs Integration experience with REST APIs ...

Principal Developer

Hiring Organisation
Version 1
Location
Manchester, UK
Employment Type
Full-time
engineering practices like code reviews, CI/CD pipelines, and SOLID/DRY principles. Technical Skills: Hands-on experience with the following technologies: Frontend: JavaScript/TypeScript, Angular, React, Node. Backend: Java, Spring Boot, Hibernate. Desirable Kotlin. Estimation and Sizing: Experience in estimation and sizing. Integration and API Design: Experience ...

Principal Developer

Hiring Organisation
Version 1
Location
Birmingham, UK
Employment Type
Full-time
engineering practices like code reviews, CI/CD pipelines, and SOLID/DRY principles. Technical Skills: Hands-on experience with the following technologies: Frontend: JavaScript/TypeScript, Angular, React, Node. Backend: Java, Spring Boot, Hibernate. Desirable Kotlin. Estimation and Sizing: Experience in estimation and sizing. Integration and API Design: Experience ...

Principal Developer

Hiring Organisation
Version 1
Location
Edinburgh, UK
Employment Type
Full-time
engineering practices like code reviews, CI/CD pipelines, and SOLID/DRY principles. Technical Skills: Hands-on experience with the following technologies: Frontend: JavaScript/TypeScript, Angular, React, Node. Backend: Java, Spring Boot, Hibernate. Desirable Kotlin. Estimation and Sizing: Experience in estimation and sizing. Integration and API Design: Experience ...

Principal Developer

Hiring Organisation
Version 1
Location
London, UK
Employment Type
Full-time
engineering practices like code reviews, CI/CD pipelines, and SOLID/DRY principles. Technical Skills: Hands-on experience with the following technologies: Frontend: JavaScript/TypeScript, Angular, React, Node. Backend: Java, Spring Boot, Hibernate. Desirable Kotlin. Estimation and Sizing: Experience in estimation and sizing. Integration and API Design: Experience ...

Data Analytics Software Architect

Hiring Organisation
Marsh & McLennan Companies
Location
London, UK
Employment Type
Full-time
Demonstrable experience building or architecting Agentic AI solutions and applying AI to real business use cases Broad programming experience with in-depth skills in: JavaScript, TypeScript, C# Frameworks: Angular, .NET, Less/Sass, gRPC Strong testing discipline: unit testing and integration testing (essential) Strong experience with containers and platforms: Docker ...

Java Developer

Hiring Organisation
Denizns Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400/day
MongoDB or another document database Cloud experience (AWS, Azure or GCP) Working knowledge of Linux/Unix Nice to have Angular, React, Node.js or JavaScript Keycloak, Kafka or ActiveMQ, Mockito, Jackson, JAX-RS Experience with high-traffic sites or large data sets How to apply Apply with your ...

Senior .NET Developer

Hiring Organisation
Axon Moore Group Ltd
Location
Warrington, Cheshire, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £50,000 per annum
across a modern and varied technology stack, including: Backend C# ASP.NET MVC APIs NUnit Database & Infrastructure SQL Docker IIS Azure DevOps GitHub Cloudflare Frontend JavaScript React Next.js Bootstrap CSS About You My client is looking for someone with: 4+ years' commercial software development experience Strong experience across full-stack technologies ...

Full Stack Engineer

Hiring Organisation
ISR RECRUITMENT LIMITED
Location
Nationwide, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £525/day (Outside IR35)
Python Back-End services and AWS infrastructure, taking features from initial refinement through to production. Skills and Experience: Strong hands-on React, TypeScript/JavaScript and Python/FastAPI development skills. Experience building REST APIs, microservices and secure authentication using OAuth2, OpenID Connect and JWT. Practical AWS experience, including ...

C# Senior Developer

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
TeamCity, and Chef Experience of messaging or transactional environment i.e. NServiceBus, Websphere MQ, MSMQ or RabbitMQ Experience of web technologies including HTML, CSS, JavaScript, jQuery and web client frameworks such as Knockout.js or Angular Experience of XML, JSON and related like schemas and XSLT transformations Experience ...

Senior Web Developer

Hiring Organisation
Gap Personnel - Wrexham
Location
Wrexham, Conwy County, Wales, United Kingdom
Employment Type
Permanent
stakeholders to deliver end-to end solutions. Person Specification The successful candidate will have strong, demonstrable experience in: o React.js o Next.js o JavaScript (ES6+) and modern browser APIs o HTML5 & CSS3 (responsive design, accessibility, cross-browser compatibility) o TypeScript o Tailwind CSS or similar modern CSS frameworks o Node.js ...

Software Developer

Hiring Organisation
Sanderson
Location
Cheltenham, Gloucestershire, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £65,000 per annum
using .NET, C#, React and TypeScript. Build and support scalable backend services, APIs and database solutions. Develop responsive, user-friendly frontend applications using modern JavaScript frameworks. Contribute to the development and improvement of CI/CD pipelines and deployment processes. Work collaboratively with other developers to analyse requirements, design solutions ...

Software Developer in Test - C3

Hiring Organisation
Scale Factory
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Skills & Experience: Eligibility for Security Clearance Experience in Agile environments (e.g., SCRUM, Kanban) A technical development background with coding skills in Java, C#, TypeScript, JavaScript, or similar Expertise in automation testing, with hands-on experience using tools like Playwright, Selenium, Cypress, or RestAssured Knowledge of integration testing and automation frameworks ...

Senior Software Developer in Test - Senior Consultant

Hiring Organisation
Centre4 Testing
Location
London, UK
Employment Type
Full-time
Experience: Eligibility for SC clearanceSignificant experience in Agile environments (e.g., SCRUM, Kanban).Solid technical development background with strong coding skills in Java, C#, TypeScript, JavaScript, or similarProven expertise in automation testing, with hands-on experience using tools like Playwright, Selenium, Cypress, or RestAssuredStrong knowledge of integration testing and automation frameworksExperience ...