76 to 100 of 489 JavaScript Jobs in London

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 ...

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 ...

reviews, CI/CD and frontend engineering standards Your background: 5+ years of commercial frontend development experience with strong React and TypeScript expertise Strong JavaScript, HTML and CSS fundamentals, ideally including Tailwind CSS or similar Experience integrating REST APIs and building secure, production-grade applications Jest and React Testing Library ...

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 ...

C#/ASP.NET Proven experience in the delivery of system/software development projects in a structured environment ASP.NET MVC HTML5/CSS Some JavaScript/jQuery and related client-side frameworks, e.g. Angular, Web Services/WCF/NHibernate SQL Server/T-SQL Experience in a variety ...

mindset, with curiosity, initiative, and a genuine eagerness to learn and improve. Experience with LLMs, event-streaming platforms, distributed systems, TypeScript/JavaScript, Angular, AWS, or financial markets is a plus. Recruiter: Amit RoitmanHiring Manager: Deepika GirdharDepartment: Information Technology ...

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 ...

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 ...

privacy policies, and be attentive to information security at all times in the performance of duties for InfoSum. Requirements4+ years experience with Go; JavaScript experience would be nice to have. Familiarity with api-design, json schemas and docker. Strong understanding of software development methodologies, design patterns, and best practices. Familiarity ...

hands-on technical capacity. Strong software engineering expertise across modern languages and frameworks, including experience coding in one or more of: Python, Go, TypeScript, JavaScript or React. Experience delivering AI-enabled or Generative AI solutions within enterprise environments. Experience building enterprise-scale cloud-native applications using Kubernetes, containers, microservices ...

ideal candidate should typically have professional experience in full-stack software development, or equivalent capabilities. Proficiency in the core technologies used; Python, Django, JavaScript (jQuery), MySQL, Linux (Red Hat), Version Control (Git).Ability to work as a full stack developer using a range of technologies; proficient with front end languages ...

automation frameworks from scratch using Object-oriented and scripted languages Has breadth of experience across different tech-stacks. At least two of the following: JavaScript/TypeScript, Java, C#, or Python, amongst others Has a depth of knowledge in the Object-oriented Programming paradigm (OOP) and has practically applied ...

related field, or an equivalent in relevant work experience. Professional software development experience in at least one modern language such as Java, Go, Typescript, JavaScript, or Python. Strong OO and functional design skills with an understanding of common design patterns. Strong understanding of web development principles, including HTML ...

professional experience.8+ years of professional software development experience. Strong experience with C# and .NET development across web and/or desktop applications. Experience with JavaScript or TypeScript. Strong knowledge of SQL Server, relational database design, stored procedures, and T-SQL.Experience developing APIs and service-oriented or distributed systems. Experience working ...

knowledge of multiple test frameworks and tools – Pytest, Pytest-BDD, Playwright, Cucumber, Junit or TestNGProficiency in programming with Python and working knowledge of JavaScript/TypeScript. Experience with database testing (Postgres, SQL Server, Athena Iceberg) and data-centric applications. Strong understanding of API, UI, integration and end-to-end testing. ...

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 ...

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 ...

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 ...

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 ...

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. ...

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. ...

development, testing and ongoing optimisation. Key Skills: Strong Java or Python development skills, ideally with Spring and Spring Boot. Solid HTML5, CSS3 and modern JavaScript (ES6+). Practical experience building applications with React. Understanding of React Hooks, Redux, Context or similar state management approaches. Experience developing RESTful APIs and implementing ...