76 to 100 of 944 JavaScript Jobs in the UK

Automation QA Lead

Hiring Organisation
Aristocrat Technologies
Location
London, UK
Employment Type
Full-time
with database or microservices testing. Experience with new technologies, such as AI/ML within projects. Proficiency in programming/scripting languages: Java, Python, JavaScript, C#, or similar. Demonstrated experience in a technical leadership capacity, with the capability to guide and enhance the skills of team members. Completion ...

Senior Java Software Engineer

Hiring Organisation
Avaloq
Location
City of Edinburgh, United Kingdom
Employment Type
Full Time
practices . Qualifications Proven experience as a Senior Software Engineer , with hands-on expertise in several of the following: Java/Spring Boot, Python, JavaScript/TypeScript, Gradle, Jenkins/Groovy, REST APIs and event-driven architectures or messaging technologies. Strong experience developing CI/CD, automation and developer tooling ...

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 ...

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 ...

Senior DevOps Engineer (8 Month FTC)

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
microservices (e.g. Docker, rkt) IaaS and PaaS (e.g. AWS, Openstack, Deis, Kubernetes, Mesos, Rancher) Experience of programming and scripting (e.g. Bash, Java, Go, Javascript, Powershell) Experience of configuration management tools such as Ansible, Chef, Puppet Experience of implementing Infrastructure as Code Experience configuring and working with monitoring tools (e.g. Newrelic ...

Automation Tester (Front End) - (Security Cleared)

Hiring Organisation
Solirius Consulting
Location
London, UK
Employment Type
Full-time
tools, like Cypress or Playwright. Hands-on experience of building test automation frameworks from scratch. Proficiency in scripting and programming languages such as JavaScript and TypeScript (3+years). Experience testing web applications across multiple browsers and operating systems including mobile. Experience of API testing, ideally using RestAssured or SoapUI.Expertise ...

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 ...

Principal Software Engineer, GPS

Hiring Organisation
Scale AI
Location
London, England, United Kingdom
related quantitative field (or equivalent practical experience)10+ years of post-graduation engineering experience, with demonstrated proficiency in languages such as Python, TypeScript/JavaScript, Java, or C++5+ years of experience applying AI/ML in production environments, such as building generative/agentic AI applications, RAG systems or evaluation ...

Technical Lead

Hiring Organisation
Vanguard
Location
Manchester, UK
Employment Type
Full-time
improve the public-site capability through new tooling, automation, build/caching improvements, and rendering/performance enhancements. What it takesKey Skills Experience with JavaScript/TypeScript, Angular, HTML, CSS, and modern Node.js; working knowledge of Java. Familiarity with microservice architecture, API design, and integration patterns. Knowledge of AWS services ...

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. ...

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 ...

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

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. 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 Engineer (Digital Twin & Optimization)

Hiring Organisation
GSK
Location
Greater London, United Kingdom
Employment Type
Full Time
goals: Strong full-stack or AI/ML engineering experience, including production deployments. Strong proficiency in Python and at least one of TypeScript/JavaScript, Go, or similar. Strong awareness of the main process modeling approaches (mechanistic and first-principles models, hybrid models, data-driven and ML models, and process ...

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 ...

Fullstack Developer

Hiring Organisation
Qualient Technology Solutions UK Limited
Location
Reading, Berkshire, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £450/day
services like ECS, EKS, S3, SQS Understanding of REST APIs Understanding of CICD Good understanding of Kubernetes Nice to have Skills: Docker JavaScript: ReactJS and NodeJS preferred AWS API Gateway and Serverless technologies Message broker like Apache Kafka BPM framework Mustache template Experience in large scale integration projects involving messaging ...

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 ...

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 ...

AI Product Engineer

Hiring Organisation
McGregor Boyall
Location
Belfast, County Antrim, United Kingdom
Employment Type
Full-Time
Salary
£250.00 - £700.00 per day
ranging from mid-level to senior engineers Strong hands-on development skills across frontend and/or backend technologies Experience with React, TypeScript/JavaScript and/or Python Understanding of APIs, databases, system design and software architecture Experience using AI-assisted coding tools such as Claude Code or GitHub ...

Technical Lead

Hiring Organisation
2mrw Group
Location
London, United Kingdom
Employment Type
Permanent
Salary
£90000 - £115000/annum
support. Ability to influence technical decisions, mentor engineers and communicate with senior stakeholders. Technical Stack Experience with a selection of the following: Languages: TypeScript, JavaScript, Node.js, React, Go or Rust. Databases: PostgreSQL, Redis or MongoDB. Cloud & infrastructure: AWS, Docker, Kubernetes, Terraform or AWS CDK. Architecture: Microservices, event-driven systems, serverless ...

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 ...

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 ...

Web Engineering Manager

Hiring Organisation
Artis Recruitment
Location
Bristol, Avon, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £95,000 per annum
development background who enjoys leading people without losing touch with the technology. Ideally, you'll have: Experience managing or leading software engineering teams. Strong JavaScript/TypeScript, Node.js and React/Next.js knowledge. Experience with APIs, modern web architectures and AWS. A background in architectural design and complex web platforms. ...

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/ ...