26 to 50 of 627 JavaScript Jobs in London

Agile development cycles, contributing to sprint planning, code reviews, and continuous delivery. Key Skills/Experience: Proven experience in Node.js development Strong knowledge of JavaScript (ES6+), asynchronous programming, and event-driven architecture. Experience with building and maintaining RESTful APIs. Solid understanding of SQL and NoSQL databases (e.g., MongoDB, PostgreSQL, MySQL ...

along with strong backend development skills in Java, Spring Boot, JPA, Hibernate, JUnit, Rest Assured, and Mockito. Hands-on experience with React.js, Redux, Axios, JavaScript, HTML, and CSS for building responsive user interfaces. Strong SQL knowledge (MS SQL preferred) and experience working with aPaaS platforms, particularly OpenShift V4. Familiarity with ...

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 ...

prior endeavors. In addition, the successful candidate should have:* 3+ years of proven software development experience in relevant industry, with proficiency in C#, JavaScript (React and/or Angular), Typescript, databases (relational and/or NoSQL), and cloud technologies, preferably AWS.* Experience with RESTful API design, development, and scalable microservice ...

agility, able to anticipate future challenges, ensuring operational effectiveness. * Skills and Experience: * * Essential: * Experience in C# .NET. Experience in at least one of JavaScript, Typescript, React, NodeJS, GraphQL, Docker. Experience of NoSQL or RDMS databases. Knowledge of modern CI/CD and DevOps practices. Experience working with AWS cloud services ...

Metrics (including Leverage Exposure) Pre-trade calculations and trade booking workflows Desirable Skills Experience with modern front-end technologies would be advantageous, including: HTML JavaScript/TypeScript React Redux ...

Development, API Development, Microservices, Cloud Infrastructure, Infrastructure Engineering, Platform Engineering, Algorithms, Data Structures, Object Oriented Programming, Functional Programming, Python, C++, Rust, Go, Java, TypeScript, JavaScript, Database Design, SQL, NoSQL, PostgreSQL, System Architecture, Technical Leadership, Engineering Strategy, Software Reliability, Performance Optimisation, Automation, DevOps, CI/CD, AWS, Azure, Google Cloud, Kubernetes ...

Reliability Engineering practices Required Skills & Experience We are interested in professionals with experience across some or all of the following: Development & Engineering Java, Python, JavaScript, C++, C# Software application development Automated testing frameworks Spec-driven software development DevOps & Automation Git, GitOps GitLab, Jenkins Terraform, Ansible, Chef, Puppet ArgoCD, Flux ...

requirement for securities licenses if client‐facing responsibilities arise. Qualifications At least 3years of proven software development experience in relevant industry. Proficiency in C#, JavaScript (React and/or Angular), Typescript, relational/NoSQL databases, and cloud technologies (preferably AWS). Experience designing, developing, and operating scalable microservice architectures ...

Experience as a Software Engineer with strong capability in one or more of the following: Backend development (Java Spring Boot, Maven, Python) Frontend development (JavaScript/TypeScript, React, npm) Proven experience designing, developing, and deploying scalable backend systems. Familiarity with DevOps, CI/CD and containerisation technologies (Jenkins, Kubernetes, Docker ...

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

impact to the security of the UK. About you You will have experience in many of the following: Programming in one or more of JavaScript, Java, .Net, Python Collaboratively designing and building Proof of Concept or Production systems Source controlling your code with Version Control Systems, for example Git, Mercurial ...

efforts, introducing new ideas and technologies What You'll Bring Proven experience as a Full Stack Engineer or similar role Expertise in Node, React, JavaScript/TypeScript, HTML, CSS, and responsive design principles Strong understanding of Back End technologies and best practices Passion for writing clean, well-tested code Experience ...

delivery. What We're Looking For 5+ years' commercial software engineering experience. Strong experience developing applications using C#/.NET . Experience with React , JavaScript and TypeScript. Strong understanding of cloud-native application development on Microsoft Azure . Experience with Azure services such as: App Service, Azure Functions, Azure Kubernetes ...

delivery. What We're Looking For 5+ years' commercial software engineering experience. Strong experience developing applications using C#/.NET . Experience with React , JavaScript and TypeScript. Strong understanding of cloud-native application development on Microsoft Azure . Experience with Azure services such as: App Service, Azure Functions, Azure Kubernetes ...

application development (.NET Core, C#) or winforms/WPF (C#) development. Our client will provide you with training into: .NET 10.0, WPF, MVVM, Prism, JavaScript, React, Angular 21, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, ASP.NET Core Web API, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and Azure SQL. ...

such as Sitecore, Optimizely, Umbraco, Alterian, Immediacy, Ektron, Kentico, Sitefinity or dotnetnuke. Our client can provide you with industry recognised training in: .NET 10.0, JavaScript, React, Angular 21, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, ASP.NET Core Web API, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. This ...

date with new technologies, including Azure, AI, and the Microsoft Power Platform. Experience Required: C#/.NET, ASP.NET and .NET Core. SQL Server. JavaScript, HTML and CSS. REST APIs. Microsoft Azure. Azure DevOps and Git. SharePoint Online. Power Automate (Microsoft Power Platform). Strong communication and problem-solving skills. Desirable ...

healing solutions. Experience with SQL programming, database design, stored procedures, query optimization, and data access technologies. Knowledge of web technologies including ASP.NET, HTML5, CSS3, JavaScript, and modern application integration practices. Experience working with data interchange formats such as XML, JSON, AJAX, and REST‐based integrations. Strong understanding of Software Development ...

Technical Expertise: Strong background as a Solutions/Technical Architect backed by prior hands-on full-stack development experience (.NET/C#, TypeScript/JavaScript, or Python). Power Platform Mastery: Deep end-to-end architectural knowledge across Power Apps (Canvas and Model-Driven), Power Automate, Dataverse, Power ...

code, backed by strong testing discipline (TDD, plus performance and security testing). Knowing when to keep a human in the loop. Advanced modern JavaScript/TypeScript, NodeJS and React. Web development principles (REST, SPA...). Microservice architecture, AWS and DevOps. Building LLM-powered features: tool-calling, retrieval-augmented generation ...

Skills Formal training or certification in software engineering concepts Hands‐on experience in system design, application development, testing, and operational stability Proficiency coding with JavaScript and using front‐end UI frameworks such as React or Angular Experience building ASP.NET MVC, Web API, or REST style applications Proficiency coding in C# ...

technical development experience on the Salesforce platform, ideally within a consultancy or fast‐paced enterprise environment. Programming Core: Deep expertise in Apex and JavaScript (ES6+), with strong roots in Object‐Oriented Programming (such as Python, Java or C#) an advantage. Front‐End & UI: Extensive hands‐on experience building modern ...

synchronization techniques. Experience with Kubernetes or Docker environments; managing Helm charts or Kustomize for multi‐environment deployments. Proficient in at least one programming language: JavaScript, Python, Java, Groovy, TypeScript, or C++. Deep expertise with CI/CD tools (e.g., GitHub Actions) and deployment automation. Solid grasp of SQL/NoSQL ...

architecture Deep understanding of relational databases, SQL language and ORM tools Deep understanding of message brokers Experience with front‐end development using HTML, CSS, JavaScript frameworks Experience with Test Driven Development (TDD)/Behavior Driven Development Experience with cloud platforms and container technologies Experience with performance tuning and system optimization ...