76 to 100 of 760 JavaScript Jobs in the UK

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 ...

Site Reliability Engineer

Hiring Organisation
Anson Mccade
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent
Salary
£70,000
wider engineering community and continuous improvement initiatives. Essential Skills and Experience Experience in several of the following areas is desirable: Software development using Java, JavaScript, HTML or related technologies. Linux and Windows command-line environments, including Bash and PowerShell. Cloud infrastructure such as AWS, Azure or OpenStack. Monitoring and logging ...

Technical Lead

Hiring Organisation
Anson Mccade
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
Salary
£90,000
Technical Lead or Senior engineer Strong software engineering and system design background Experience delivering enterprise applications on AWS, Azure or GCP Proficiency in JavaScript, Java or .NET Agile delivery experience (Scrum/Kanban) Knowledge of DevOps, CI/CD, infrastructure-as-code and modern testing practices Strong communication and stakeholder ...

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 ...

Site Reliability Engineer

Hiring Organisation
ANSON MCCADE
Location
Leeds, UK
wider engineering community and continuous improvement initiatives. Essential Skills and Experience Experience in several of the following areas is desirable: Software development using Java, JavaScript, HTML or related technologies. Linux and Windows command-line environments, including Bash and PowerShell. Cloud infrastructure such as AWS, Azure or OpenStack. Monitoring and logging ...

Full Stack Engineer (Agentic AI)

Hiring Organisation
GCS
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £501/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 ...

Senior Front End Engineer TLNT1 NI

Hiring Organisation
Ocho
Location
Belfast, UK
their practical adoption where valuable. Skills & Experience 5+ years of experience in front-end development, with a strong focus on React. Solid understanding of JavaScript (ES6+), TypeScript, HTML5, and CSS3/SASS. Experience integrating with RESTful APIs and working within modern CI/CD pipelines. Strong appreciation for responsive design ...

Full Stack Developer

Hiring Organisation
Experis
Location
United Kingdom
Employment Type
Permanent
with non - technical stakeholders to ensure alignment with project objectives Essential skills: Active DV clearance Proficiency in modern front - end technologies including HTML5, CSS3, JavaScript, and frameworks such as React, Angular, or Vue.js Strong server - side development skills using Node.js, Python, or Java Experience with SQL and NoSQL databases, including ...

QA Engineer Lead - WEMBLEY

Hiring Organisation
Adecco
Location
Wembley, London, United Kingdom
Employment Type
Permanent
Salary
£70000 - £90000/annum + perm benefits
automation frameworks in complex environments Strong hands-on experience with tools such as Playwright, Selenium, REST Assured, Postman, or similar Development experience using Java, JavaScript, or TypeScript Experience testing APIs, microservices, and distributed systems Strong understanding of CI/CD practices and automated quality gates Experience defining testing strategies ...

Senior Java Engineer - Fintech TLNT1 NI

Hiring Organisation
VANRATH
Location
Belfast, UK
ability to work effectively within an agile development team. Experience within financial services or electronic trading would be advantageous. Familiarity with HTML, CSS, JavaScript/TypeScript and Angular would be desirable. For further information on this job, or any other Software Development jobs in Belfast or Northern Ireland, apply ...

Senior Full Stack Developer - TypeScript / Node.js / React

Hiring Organisation
Adria Solutions Ltd
Location
Manchester, United Kingdom
Employment Type
Permanent
Salary
£70000 - £85000/annum
interested in engineers who enjoy understanding how things work beneath the surface. You'll ideally have experience with: Core Technologies TypeScript Node.js React JavaScript Cloud & Infrastructure AWS Infrastructure as Code (CloudFormation or similar) ECS/Fargate Lambda API Gateway SQS DynamoDB PostgreSQL Redis/ElastiCache Load Balancers (ALB/ ...

AI and Automation Developer

Hiring Organisation
Coburg Banks Limited
Location
Rochdale, Greater Manchester, North West, United Kingdom
Employment Type
Permanent
Salary
£75,000
alongside practical experience integrating AI and large language models into business solutions. You will ideally have: Strong commercial software development experience using TypeScript/JavaScript, Python, C# or a similar modern language. Experience integrating LLM APIs into applications, including prompt engineering, tool/function calling and evaluating AI outputs. ...

AI Software Engineer

Hiring Organisation
Eutopia Solutions Limited
Location
Andover, Hampshire, South East, United Kingdom
Employment Type
Permanent
Salary
£70,000
with version control, pull requests, code reviews and continuous integration. Ability to translate business requirements into secure, reliable and supportable technical solutions. Desirable experience: JavaScript, TypeScript, React, Flask, FastAPI, cloud-hosted environments, Docker, CI/CD pipelines, message queues, event-driven architecture, building workflow automation, internal applications and business system ...

Vice President, Full-Stack Engineer

Location
Manchester, Lancashire, United Kingdom
role, we're seeking the following: Strong skills in Core/Advanced Java and OOP Proficiency in front-end technologies: Angular, TypeScript, HTML, CSS, JavaScript Experience in developing and deploying microservices architectures using Spring Boot, Spring Batch, Spring Data, or similar frameworks Knowledge of JIRA, Junit, and Apache Kafka ...

Product Engineer

Hiring Organisation
Hays
Location
Belfast, County Antrim, Northern Ireland, United Kingdom
Employment Type
Permanent
experience, with level determined by technical depth and scope of ownership. You'll ideally bring experience across some of the following: React.js, TypeScript or JavaScript Python or comparable modern backend technologies RESTful or GraphQL API development PostgreSQL and database design Cloud-native development, ideally AWS AWS Lambda, S3, CloudFront ...

Site Reliability Engineer - Security Cleared

Hiring Organisation
G-TECH TALENT LIMITED
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £105,000 per annum
TECHNOLOGY STACK We're particularly interested in engineers with experience across several of the following technologies: Software Engineering & Programming Python, Java, Go (Golang) or JavaScript Bash scripting and automation Production-level software development Debugging, performance optimisation and troubleshooting Software engineering principles and distributed systems architecture Cloud, Containers & Infrastructure Kubernetes ...

Senior Site Reliability Engineer (DevTools)

Hiring Organisation
Visa
Location
Basingstoke, Hampshire, UK
DevTools support roles. \n Beginner level programming and-or scripting in 2 or more of the following: Python, Java, Go, PowerShell, JavaScript, Terraform, Ansible, Helm, Chef, Cloud Formation. \n Basic understanding of YAML, JSON, HTML, XML. \n Hands on experience in Linux and -or Windows systems and good understanding ...

UI Engineer

Hiring Organisation
Pontoon
Location
Warwickshire, United Kingdom
Employment Type
Full-Time
Salary
£550.00 per day
years of experience in a front-end or UI engineering role, ideally in a cloud or hybrid environment. Strong proficiency in HTML, CSS, JavaScript (ES6+), TypeScript, and the Angular Framework. Expertise in automation testing, including unit, integration, and end-to-end tests. Proven experience in building responsive, accessible, and high ...

UI Engineer

Hiring Organisation
Pontoon
Location
Warwickshire, United Kingdom
Employment Type
Contract
Contract Rate
£550/day
years of experience in a front-end or UI engineering role, ideally in a cloud or hybrid environment. Strong proficiency in HTML, CSS, JavaScript (ES6+), TypeScript, and the Angular Framework. Expertise in automation testing, including unit, integration, and end-to-end tests. Proven experience in building responsive, accessible, and high ...

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 ...

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 (Physical AI & Self-Driving Labs)

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. 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 ...

Web Developer Trainee

Hiring Organisation
ITOL Recruit
Location
Stockport, Cheshire, United Kingdom
Employment Type
Full-Time
Salary
£29,000 - £35,000 per annum
move forward. Step 2 - Online Training The second step includes a selection of more advanced courses to get you up to speed. React-js JavaScript JavaScript forms the foundation of almost everything you see on the Internet, so it will be essential! Python is highly versatile. ...