51 to 75 of 633 JavaScript Jobs in London

.NET Core, and SQL/T‐SQL. Solid understanding of database design, performance optimisation, and query tuning. Experience delivering front‐end functionality using HTML, JavaScript, and Razor. Experience building and supporting integrations with third‐party systems using REST APIs or similar technologies. Practical experience working with Azure Cloud Services ...

.NET Core, and SQL/T-SQL. Solid understanding of database design, performance optimisation, and query tuning. Experience delivering front-end functionality using HTML, JavaScript, and Razor. Experience building and supporting integrations with third-party systems using REST APIs or similar technologies. Practical experience working with Azure Cloud Services ...

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 ...

including REST/JSON, custom connectors, OAuth 2.0, Microsoft EntraIDand securesecretsmanagement. Pro-code engineering capability in one or more languages such as TypeScript/JavaScript,C#or Python, with experience extending low-code services appropriately. Strong software engineering practice, including testing, version control, code review, documentation, CI/CD, observability ...

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 ...

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/ ...

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/ ...

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. ...

integrating React-based front-end applications with .NET RESTful APIs and back-end services.* Working knowledge of Angular, HTML, CSS(LESS/SASS) and JavaScript* Experience with concurrent development source control and continuous integration–GIT, TFS* Experience creating and testing software prototypes* Familiarity with MS D365 CRM customisation (preferential)* Familiarity ...

Actions, Azure DevOps, GitLab). Cloud and edge hosting: GCP , Vercel , AWS, Azure, Netlify and related deployment models. Front‐end integration literacy: HTML, CSS, JavaScript and Next.js + React ; mobile technologies (SwiftUI, Kotlin, Flutter or React Native) advantageous. CMS, DXPs, MarTech and SaaS integration in complex enterprise landscapes; including headless ...

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. ...

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 ...

Jenkins, CircleCI, GitLab CI, Azure DevOps) Knowledge of integration testing and automation frameworks A technical development background with coding skills in Java, C#, TypeScript, JavaScript, or similar Eligibility for Security Clearance We’re on the lookout for passionate, talented individuals who are ready to make an impact. Whether ...

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 ...

will bring Strong hands-on experience with Power Platform, Dataverse, Model-Driven Apps and Dynamics 365 Customer Service. Proven skills in PCF, React, TypeScript, JavaScript, C# and .NET/ASP.NET Core. Experience with Power Automate, Dataverse Web API, REST APIs and external-system integration. Practical knowledge of Azure services such ...

What You Will Bring to the Role: Bachelor’s Degree in Computer Science, or equivalent field and 4+ years of experience. Frontend experience with JavaScript/TypeScript technologies such as NodeJS, Angular/AngularJS, React , etc. Backend experience with .NET technologies , including C# and ASP.NET/ASP.NET Core . Excellent ...

development, focusing on React.js and modern UI technologies Apply practical experience in system design, application development, testing, and operational stability Proficient in coding in JavaScript (ES6+), TypeScript, HTML5, and CSS3 Possess strong expertise in React.js and building scalable, complex UI applications Develop, debug, and maintain code in a large corporate ...

guidance, code reviews and mentoring to other engineers. You should have: Strong commercial experience with Python for backend and integration development. Strong TypeScript/JavaScript and React experience building production applications. Strong API design experience, including REST and/or GraphQL, authentication, authorisation, versioning and streaming. Hands-on experience with ...

need everything) We appreciate you may not be an expert in every area above - we can support with training and development in some areas! JavaScript frameworks (React, NextJS) TypeScript Python Java REST API development OpenAPI/Swagger Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code ...

Services (AWS) Strong experience using GitHub Actions within a CI/CD pipeline Solid Python knowledge Experience with front‐end technologies such as JavaScript and Node Experience working with Web Application Firewall (WAF) technologies and Cloudflare features Solid working experience with Git and SQL Knowledge of Terraform and experience working ...

Proficiency in performance testing tools like JMeter, Gatling, K6, Neoload, or Webload Strong coding skills in at least one language such as Java, TypeScript JavaScript, Python, C#, Scala, or PHP Experience designing and building automation frameworks Familiarity with Agile development environments ( SCRUM, Kanban, TDD, BDD ) Implementing pipelines using common tooling ...

Services (AWS) Strong experience using GitHub Actions within a CI/CD pipeline Solid Python knowledge Experience with front-end technologies such as JavaScript and Node Experience working with Web Application Firewall (WAF) technologies and Cloudflare features Solid working experience with Git and SQL Knowledge of Terraform and experience working ...

start, using tools like Kubernetes, Docker, Terraform and CI/CD pipelines Use code to solve real problems, developing practical skills in Python, JavaScript, TypeScript, React and Node.js Explore how security works behind the scenes, from protecting sensitive information to identifying and responding to cyber threats Automate the repetitive stuff ...