51 to 75 of 489 JavaScript Jobs in London

Azure Event Grid, with the ability to design scalable and resilient integration solutions. Microsoft Stack Expertise: Strong knowledge of the Microsoft stack (.NET, JavaScript, ASP.NET, C#) for plugins, workflows, and custom integrations. Agile Methodologies: Experience working within Agile and DevOps teams. Experience with Azure DevOps for CI/ ...

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. ...

Dynamics 365 Customer Engagement (CRM) platform and core technologies. Extensive experience designing, configuring, and supporting Dynamics 365 solutions. Strong development experience using C#, .NET, JavaScript, and TypeScript within Dynamics 365 environments. Hands-on experience developing Plugins, Custom Workflow Activities, Custom APIs, and integrations. Strong understanding of Dataverse architecture, security models ...

plus)Experience with a public cloud provider, GCP is a plusProven experience in software developments with languages such as C#, Java, C++, Golang, Rust, JavaScript, Python, or Ruby (this list is not exhaustive).Experience with observability tools (e.g. Datadog, Prometheus, ELK, Jaeger...)Great team spirit with a problem-solving attitude. ...

deliverables through to deployment. You should have the following experience: MongoDB, Express.js, Angular, Node.js, C#/.NET Core 10+ and SQL Server 19+. Programming: JavaScript and TypeScript Architecture: Microservices and distributed applications Event-Driven Architecture: Apache Kafka Kafka: Producers, consumers, topics, partitions and consumer groups Cloud: AWS application deployment ...

deliverables through to deployment. You should have the following experience: MongoDB, Express.js, Angular, Node.js, C#/.NET Core 10+ and SQL Server 19+. Programming: JavaScript and TypeScript Architecture: Microservices and distributed applications Event-Driven Architecture: Apache Kafka Kafka: Producers, consumers, topics, partitions and consumer groups Cloud: AWS application deployment ...

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 ...

technical and project challenges and solutions to the sameShould have solid experience in API Background and No SQL Database. Strong knowledge of Scripting like JavaScript, Typescript and frameworks. Proven experience in building API services using NodeJS Express and related frameworks. Experienced in implementing solutions based on serverless technologies ...

TeamCity, and Chef Experience of messaging or transactional environment i.e. NServiceBus, Websphere MQ, MSMQ or RabbitMQ Experience of web technologies including HTML, CSS, JavaScript, jQuery and web client frameworks such as Knockout.js or Angular Experience of XML, JSON and related like schemas and XSLT transformations Experience ...

Essential Skills & Experience: Eligibility for Security ClearanceExperience in Agile environments (e.g., SCRUM, Kanban)A technical development background with coding skills in Java, C#, TypeScript, JavaScript, or similarExpertise in automation testing, with hands-on experience using tools like Playwright, Selenium, Cypress, or RestAssuredKnowledge of integration testing and automation frameworksHands-on experience ...

Azure/Google ecosystems helpful but not requiredStrong familiarity with general modern web and mobile application development, including hands-on experience working with JavaScript (Typescript preferred) and Python stacksCross functional team collaboration experience, especially working with engineers and user experience/product designers, as well as external stakeholdersStrong skills ...

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 ...

leadership in QA/testing roles, with experience guiding teams and managing delivery in Agile environments (SCRUM, Kanban)Strong programming skills in Java, C#, JavaScript/TypeScript, or similarDeep expertise in test automation frameworks such as Selenium, Playwright, Cypress, or RestAssuredExperience with integration testing, test strategy, and test architecture ...

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 ...

implementing enhancements to continually improve our delivery processPartnering with cross-functional Agile and DevOps implementation teamsRequirementsDemonstrate some proficiency in most of these technologies; JavaScript/TypeScript, Frontend framework Java/SpringBoot, SQL with a willingness to learn the others. Display some experience with build tools, Git and continuous integrationEnjoy collaborating ...

/trading platforms and knowledge of financial marketsKnowledge of FIX protocol and ability to handle FIX interactionsIn-depth knowledge of AWS servicesExperience with Java, JavaScript or ReactExperience with serverless architecture and microservicesExperience with TDD, BDD or similar approachesBand & level: Manager, 7#LI-DIR #LI-HybridNot The Perfect Fit? Concerned that ...

core technologies (D365 CE/Power Platform) and associated ALM strategiesDemonstrated experience of delivering Dynamics migrations and upgradesClear knowledge of the Microsoft stack (.NET, JavaScript, ASP.NET, MVC, C# .Net for Plugins and custom workflows, Integrations using .NET)Experience with Dynamics 365 workflows (internal and Power Automate)Strong understanding of Microsoft ...

traditional Machine Learning, Generative AI models and Agentic AI frameworks in client-facing environments, including data engineering in cloud environments. Strong Python (3.10+), TypeScript, JavaScript (ES6+), SQL and Bash. Front-end: React.js, Next.js (App Router & Server Components), Tailwind CSS, ShadCN UI, Redux, Zustand, Jest, Cypress plus AI product UX patterns ...

engineering practices like code reviews, CI/CD pipelines, and SOLID/DRY principles. Technical Skills: Hands-on experience with the following technologies: Frontend: JavaScript/TypeScript, Angular, React, Node. Backend: Java, Spring Boot, Hibernate. Desirable Kotlin. Estimation and Sizing: Experience in estimation and sizing. Integration and API Design: Experience ...

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 ...

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 ...

products.- Experience with localisation quality or testing across multilingual products, platforms, or regions.- Strong programming skills in one or more languages such as Python, JavaScript, TypeScript, or Java.- Hands-on experience building or experimenting with AI agents, plugins, copilots, or intelligent workflow tools.- Experience with APIs, structured data, system integrations ...

strong production experience with comparable foundation-model APIs and the ability to transfer those skills to Claude. Python and/or TypeScript/JavaScript, modern API frameworks, front-end frameworks, automated testing and software design patterns. Claude Code or comparable AI coding assistants integrated with enterprise source control ...

open-source LLMs like LLama, DeepSeek, and Mistral).Programming Proficiency: Competence and hands-on experience in at least one of the following languages: Java, JavaScript, Python, or C#. Ability to write clean, maintainable, and efficient code is essential. Deployment and Version Control: Hands-on experience with deployment software on major ...

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 ...