76 to 100 of 707 JavaScript Jobs in the UK

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

Qualifications -Stronghands onexperienceinJava(8/11/17)andSpringBoot,Kafka,SpringMVC,SpringSecurity. -StronginPythonworkexperience -SolidexperiencewithRESTAPIs,MicroservicesArchitecture,andmessagingsystems(Kafka/RabbitMQ). -Proficiencyinfrontendtechnologies:Angular/React,JavaScript/TypeScript,HTML5,CSS3. -ExperiencewithrelationaldatabasessuchasOracle,SQLServer,orPostgreSQL. -GoodunderstandingofORMframeworkslikeHibernate/JPA. -Familiaritywithbuildanddependencytools:Maven/Gradle. -ExperiencewithversioncontrolsystemssuchasGit. -Strongknowledgeofsoftwaredesignprinciples,datastructures,andmultithreading/concurrency. -Excellentanalytical,problem-solving,andcommunicationskills. -Experienceinfinancialservices ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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. ...

bring Server-side development experience, ideally Python Strong SQL skills, ideally PostgreSQL (querying, manipulating data and structure) Client-side experience (React, jQuery, JavaScript, CSS/Bootstrap) Git, including branching and code review in a multi-developer team Experience working in an agile, kanban, scrum or waterfall environment Experience supporting software ...

reporting and data processing activities. Contribute to our development and project delivery processes. Required Knowledge, Skills & Qualifications C# MS SQL Server HTML, CSS and JavaScript One or more of the following: ASP.NET MVC WPF SSDT REST APIs Azure services, including Azure SQL, App Services, and Message Queues Mobile app development ...