76 to 100 of 725 JavaScript Jobs in the UK

Software Engineer

Location
United Kingdom
Contribute to continuous improvement within your team Collaborate with your peers on technical direction within your team Required experience Core Software Engineering such as: JavaScript frameworks (React, NextJS), TypeScript, Python or Java REST API development/OpenAPI/Swagger Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure ...

Software Engineer

Hiring Organisation
Raytheon UK Ltd
Location
Gloucester, Gloucestershire, South West, United Kingdom
Employment Type
Permanent, Work From Home
Contribute to continuous improvement within your team Collaborate with your peers on technical direction within your team Required experience Core Software Engineering such as: JavaScript frameworks (React, NextJS), TypeScript, Python or Java REST API development/OpenAPI/Swagger Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure ...

Site Reliability Engineer

Hiring Organisation
Anson Mccade
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent, Work From Home
Experience Candidates should bring experience across a range of the following areas: Software development: Experience developing software using Java and web technologies, such as JavaScript and HTML. Operating systems and scripting: Familiarity with Linux and Windows command-line environments, including Bash and PowerShell. Cloud infrastructure: Hands-on experience with cloud ...

Principal Automation Test Consultant

Hiring Organisation
Centre4 Testing
Location
London, UK
Employment Type
Full-time
KatalonProficiency in performance testing tools like JMeter, Gatling, K6, Neoload, or WebloadStrong coding skills in at least one language such as Java, TypeScript JavaScript, Python, C#, Scala, or PHPExperience designing and building automation frameworksFamiliarity with Agile development environments (SCRUM, Kanban, TDD, BDD)Implementing pipelines using common tooling such as Jenkins ...

Innovation Software Developer

Hiring Organisation
EOS IT Solutions
Location
Armagh, Co. Armagh, UK
Employment Type
Full-time
years of software development experience in complex environments. Strong expertise in Python for application development, data processing, and integration. Advanced experience with C++ and JavaScript/TypeScript. Experience developing and consuming REST and/or gRPC APIs. Hands-on experience with IoT technologies, sensor data, and telemetry pipelines. Knowledge ...

Senior Software Engineer I

Hiring Organisation
Elsevier
Location
Oxfordshire, United Kingdom
Employment Type
Full Time
continually improve our delivery process Partnering with cross-functional Agile and DevOps implementation teams Requirements Demonstrate some proficiency in some of these technologies; JavaScript/TypeScript, Frontend frameworks, Java/SpringBoot, SQL with a willingness to learn the others. Display some experience with build tools, Git and continuous integration Enjoy ...

Technical Architect

Hiring Organisation
AGILICO WORKPLACE TECHNOLOGY LIMITED
Location
Northampton, Northamptonshire, East Midlands, United Kingdom
Employment Type
Permanent
code reviews via pull requests Must-have Skills At least 10 years development experience. Strong written and verbal communication skills. Strong experience with C#, JavaScript and other modern development technologies. Experience building AI powered solutions. Good experience with asynchronous processing, message brokers and microservices (event-driven architecture). Experience with ...

Front End Engineer

Hiring Organisation
Accenture
Location
London, England, United Kingdom
take part in events Job Qualifications We are looking for experience in the following: 4+ years' front-end web development experience using TypeScript/JavaScript (with Node.js-based tooling or similar) 2+ years' experience leading engineering teams or squads, including setting technical direction, guiding code quality and owning delivery outcomes ...

Senior Software Engineer - Commercial Trading

Hiring Organisation
Marks & Spencer
Location
London, England, United Kingdom
associated toolsets, applied effectively across unit, integration and system testing levels.Technical versatility and proficiency across relevant technologies and tools, including Java, PL/SQL, JavaScript, Git and CI/CD pipelines.Expertise in designing, building and operating scalable cloud-native applications with a strong focus on performance, security and resilience.Excellent communication ...

Automation Engineer (Back End) - (Security Cleared)

Hiring Organisation
Solirius Consulting
Location
London, UK
Employment Type
Full-time
process and software development life-cycle. Hands-on experience of building test automation frameworks from scratch. Proficiency in scripting and programming languages such as JavaScript and Java (3+years). Experience of API testing, ideally using RestAssured or SoapUI.Experience in the implementation of Contract Testing solutions. Familiarity with the configuration ...

Principal Engineer - Full Stack Java

Hiring Organisation
Broadridge
Location
London, UK
Employment Type
Full-time
back-end systems. Strong SQL skills are essential, with extensive experience designing and working with large relational databases, including MS SQL Server and Sybase. JavaScript experience is desirable, with the ability to provide technical direction for front-end components and full-stack solution delivery. Python experience is good to have. ...

Staff Software Engineer - International Pricing

Hiring Organisation
Marks & Spencer
Location
United Kingdom, UK
Employment Type
Full-time
practices at scale across enterprise applications and technology platforms. Technical proficiency across a variety of programming languages and technologies, including Java, PL/SQL, JavaScript and modern CI/CD tooling. Experience designing and implementing scalable cloud-native applications with a strong focus on performance, resilience, observability and security. Excellent ...

Senior Consultant - Agentic AI / Generative AI

Hiring Organisation
Capgemini
Location
Cheshire West and Chester, United Kingdom
Employment Type
Full Time
good cross-section of these skills, along with the adaptability and curiosity to learn new tools as projects demand. Languages & Frameworks: Python (3.10+), TypeScript, JavaScript (ES6+), SQL, Bash · Frontend: React.js, Next.js (App Router & Server Components), Tailwind CSS, ShadCN UI, Redux, Zustand, Jest, Cypress. Build AI product UX patterns (streaming, review ...

Automation Assurance Specialist - Consultant - AI & Digital Factory

Hiring Organisation
Capgemini
Location
City of Bristol, United Kingdom
Employment Type
Full Time
considered. Experience with these core testing techniques: Exploratory, Integration, Manual, Functional Experience setting up and contributing to test frameworks in Java or JavaScript Experience writing a variety of backend and frontend automated tests using Selenium, Playwright, Cucumber, REST etc. Experience working in an Agile environment Experience using online version control ...

Front-End Lead Software Engineer, Reuters

Hiring Organisation
Thomson Reuters
Location
London, UK
Employment Type
Full-time
code quality. Required QualificationsEducation and experience10+ years building highly scalable, customer-facing front-end applications, including experience leading engineering teamsTechnical skillsTypeScript and modern JavaScript — AdvancedReact — ExpertHTML5/CSS3 — ExpertRESTful APIs — AdvancedAWS — Intermediate to AdvancedGit version control and CI/CD pipelinesDocker containerizationAutomated testing frameworks: Jest, React Testing Library, PlaywrightPerformance optimization ...

Associate Director, Identity Governance and Administration (Manchester)

Hiring Organisation
Fitch Group
Location
Manchester, United Kingdom
Employment Type
Full Time
Microsoft 365 (SharePoint Online, Teams) and the Atlassian suite (Confluence, Jira). What Would Make You Stand Out: Experience with Vue.js or a comparable JavaScript front-end framework, particularly in the context of extending or building identity-related web interfaces or portals. Exposure to secrets-management patterns using external secrets ...

Senior, Forward Deployed Engineer (Agentic Automation for CMC R&D)

Hiring Organisation
GSK
Location
Greater London, United Kingdom
Employment Type
Full Time
Experience of full-stack or AI/ML engineering experience, including production deployments. Strong proficiency in Python and at least one of TypeScript/JavaScript, Go, or similar. Demonstrated ability to take ideas from sketch to working software at speed with R&D scientists as end users - startup ...

Senior, Forward Deployed Engineer (Physical AI & Self-Driving Labs)

Hiring Organisation
GSK
Location
London, UK
Employment Type
Full-time
experience of full-stack or AI/ML engineering experience, including production deployments. Strong proficiency in Python and at least one of TypeScript/JavaScript, Go, or similar. Hands-on experience with GenAI patterns: agents, multi-agent orchestration, retrieval-augmented generation (RAG), prompt engineering, and evaluation. Strong experience ...

Senior, Forward Deployed / Full Stack Engineer (Document Authoring & Knowledge Systems)

Hiring Organisation
GSK
Location
Greater London, United Kingdom
Employment Type
Full Time
ship production full-stack applications and APIs, from backend services to user interfaces. Strong proficiency in Python and at least one of TypeScript/JavaScript, Go, or similar. Hands-on experience with GenAI patterns: retrieval-augmented generation (RAG), agents, document authoring and generation, human-in-the-loop review design ...

Senior Java Full Stack Engineer

Hiring Organisation
83zero Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
£70,000
across complex digital transformation programmes. Your Role Design, develop and maintain scalable microservices using Java and Spring Boot. Build responsive web applications using React, JavaScript/TypeScript, HTML and CSS. Provide technical leadership and guidance to development teams, supporting engineers and encouraging best practice. Act as a key point … pipelines, DevOps practices and secure digital platforms. Skills & Experience Strong experience building RESTful microservices using Java and Spring Boot. Frontend development experience with React, JavaScript/TypeScript, HTML and CSS. Proven experience leading or mentoring development teams. Strong stakeholder management and client-facing communication skills. Experience working directly with clients ...

Senior Java Full Stack Engineer

Hiring Organisation
83zero Limited
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
Salary
£70,000
across complex digital transformation programmes. Your Role Design, develop and maintain scalable microservices using Java and Spring Boot. Build responsive web applications using React, JavaScript/TypeScript, HTML and CSS. Provide technical leadership and guidance to development teams, supporting engineers and encouraging best practice. Act as a key point … pipelines, DevOps practices and secure digital platforms. Skills & Experience Strong experience building RESTful microservices using Java and Spring Boot. Frontend development experience with React, JavaScript/TypeScript, HTML and CSS. Proven experience leading or mentoring development teams. Strong stakeholder management and client-facing communication skills. Experience working directly with clients ...

Senior Test Engineer (SDET)

Hiring Organisation
NonStop Consulting
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£650 - £700/day
changes on test coverage Essential skills Test tools: Cucumber, Playwright and K6 Version control: GitHub and Azure DevOps Microsoft-stack coding: C#, Node.js, JavaScript or TypeScript SQL and relational databases Testing on .NET, SQL and microservices, both on-prem and in the cloud Proven experience as an automation test engineer ...

Senior Full Stack Engineer

Hiring Organisation
Spectrum IT Recruitment Limited
Location
Newbury, Berkshire, South East, United Kingdom
Employment Type
Permanent
Salary
£80,000
standards. This role suits an experienced engineer who enjoys solving challenging problems, taking ownership, and supporting colleagues. Skills required: Strong commercial experience with TypeScript, JavaScript, and Node.js Proven full-stack development experience using React and Node.js Experience designing scalable applications and APIs Good knowledge of MongoDB, Redis or similar technologies ...

Full Stack Engineer - Front End - AI

Hiring Organisation
GCS
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £551/day
teams to deliver intelligent, production- ready applications at scale. Key Responsibilities Design, build, and maintain scalable front-end applications using React, python and modern JavaScript/TypeScript. Build front-end solutions that support high data throughput, performance optimisation, and responsiveness at scale. Collaborate on the deployment of applications to cloud ...

Java React Full Stack Developer - London, UK (PERM)

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
£60000 - £80000/annum
deploy enterprise-scale distributed applications and microservices. The Tech Stack: Backend: Java (11/17), Spring Boot, Spring Security, Microservices. Frontend: React.js, TypeScript, JavaScript, Redux. Infrastructure & Data: Docker, Kubernetes, Kafka/RabbitMQ, Oracle/PostgreSQL/MongoDB. What You Need: 5+ years of full stack software development experience. Strong foundation ...