1 to 25 of 364 ECMAScript Jobs in London

accepted Full Stack Developer (India Location : SITEL) Total experience : 8-9 years Relevant experience : 5-6 year. Very strong in HTML, CSS, Javascript, PHP, JQuery, SQL, Angular, React, Web/API services, web architect, Node.js Python will be add‐on advantage. Upload your profile on Imurgence and Send Profile ...

requires someone who can work across the full development lifecycle while collaborating closely with both technical and non-technical stakeholders. Tech Stack Frontend React JavaScript/TypeScript HTML5, CSS3 Backend C# .NET Core/.NET ASP.NET Core REST APIs Cloud & Data Microsoft Azure SQL Server Docker CI/CD Pipelines ...

with different databases such as Postgres, MySQL, NoSQL (e.g., MongoDB), Redis is recommended. Web technologies – knowledge and experience working with web technologies such as JavaScript, HTML, CSS, TypeScript, C#, SASS, Stylus, Stylus, Python, and LESS. Web frameworks – knowledge and experience working with different frameworks like React Native, AngularJS, Angular2, VueJS ...

software development experience, with at least 3 years in a senior or technical lead role. Proven expertise in full-stack development using: TypeScript (and JavaScript frameworks such as NextJS, Node, or Tailwind) Python (including frameworks like Django, Flask, or FastAPI) PostgreSQL and relational database design, optimization, and maintenance. AI Development ...

Taking ownership of system reliability, maintainability, and performance Producing clear, thorough documentation that supports team velocity and system longevity Tech Stack Languages: Java (primary), JavaScript/TypeScript (nice to have) Frameworks: Spring Boot Cloud & Infra: Azure, Terraform Architecture: Microservices Databases: PostgreSQL (SQL), CouchDB (NoSQL) Monitoring: Splunk, New Relic, xMatters Version ...

reviews, and continuous delivery.\n \n\n \n Key Skills/Experience: \n \n \nProven experience in Node.js development \n \n \nStrong knowledge of JavaScript (ES6+), asynchronous programming, and event-driven architecture.\n \n \nExperience with building and maintaining RESTful APIs.\n \n \nSolid understanding of SQL and NoSQL databases ...

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 ...

code reviews, and continuous delivery.\ N\n\n \ NKey Skills/Experience:\ N\n\nProven experience in Node.Js development\ N\n\nStrong knowledge of JavaScript (ES6+), asynchronous programming, and event-driven architecture.\ N\n\nExperience with building and maintaining RESTful APIs.\ N\n\nSolid understanding of SQL and NoSQL databases ...

processes Ensure solutions meet security, performance and compliance standards Essential Skills & Experience Strong commercial experience with: C#/.NET Core/.NET 6+ Vue.js JavaScript/TypeScript REST API development and integration SQL Server and relational databases Hands-on experience with Microsoft Azure, including services such as: App Services Azure ...

using TypeScript, leveraging frameworks such as Next.js or Vite. GenAI Frameworks: Familiarity with tools like LangChain, LangGraph, CrewAI, or Vercel AI (in Python or JavaScript). LLM experience: Practical experience with Large Language Models (LLMs) such as OpenAI, Anthropic, Mistral, or Llama, and tools like Ollama. Cloud Platforms: Proficiency ...

Management: Experience routing and securing APIs using API Gateway - Kong. Front-End Development Core Web Technologies: High proficiency in HTML5, CSS3, and JavaScript. JavaScript Frameworks: Strong experience with Node.js and ReactJS. Template Engines: UI development using Nunjucks or Freemarker. Cloud and DevOps CI/CD Pipeline Cloud Platform: Hands ...

backend and DevOps teams across the full delivery lifecycle Required Experience Strong experience in UI or Frontend Architecture within complex environments Expertise in React, JavaScript (ES6+), TypeScript, HTML5 and CSS3 Experience designing SPA or micro-frontend architectures Strong understanding of API integration (REST, API gateway patterns, BFF) Experience working ...

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 ...

ever the same. Tech stack required ideally: You can expect to work with the following technologies to ensure scalable, high-performance applications: Programming Languages: JavaScript/TypeScript, Java, C# Frameworks: Vue/Angular/React/Node/Next, Spring/Spring Boot, .NET/ASP.NET Cloud platforms ...

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 similar Deep expertise in test automation frameworks such as Selenium, Playwright, Cypress, or RestAssured Experience with integration testing, test strategy , and test ...

tools to augment software development Experience with financial or billing-related systems is a plus Basic experience building Node.js services using JavaScript or TypeScript is beneficial Our Offer Flexi-Week and Work-Life Balance: We prioritise your mental health and wellbeing, offering you a flexible four-day Flexi-Week ...

polyglot is preferred. Strong understanding of software development methodologies such as Agile, TDD and DevOps. Some proficiency in multiple programming languages such as Python, JavaScript, or similar. Extensive experience writing well-tested code. Good knowledge of cloud platforms (e.g., AWS, Azure, GCP) and infrastructure as code Experience with CI/ ...

testing [cucumber, nightwatch]) Nice to have skills: AWS Knowledge of Open Source BPMN workflow engines (Camunda, Activiti or Flowable) Experience on a front-end javascript framework such as react, angular or vue.js RedHat OpenShift for container orchestration Knowledge of NCSCs 14 cloud security principles. SC Clearance: Zaizi works with ...

clients you’ve served \n Written production-quality code using a variety of languages and frameworks, including but not limited to: Python, Java, JavaScript, TypeScript, React, Ruby, Scala, R, SQL, and Go \n Leveraged AI-assistive development tools for tasks like scaffolding, refactoring, debugging, test generation, and documentation \n Experience ...

clients you’ve served \n Written production-quality code using a variety of languages and frameworks, including but not limited to: Python, Java, JavaScript, TypeScript, React, Ruby, Scala, R, SQL, and Go \n Leveraged AI-assistive development tools for tasks like scaffolding, refactoring, debugging, test generation, and documentation \n Experience ...

clients you ve served Written production-quality code using a variety of languages and frameworks, including but not limited to: Python, Java, JavaScript, TypeScript, React, Ruby, Scala, R, SQL, and Go Leveraged AI-assistive development tools for tasks like scaffolding, refactoring, debugging, test generation, and documentation Experience building or integrating ...

clients you’ve served \ NWritten production-quality code using a variety of languages and frameworks, including but not limited to: Python, Java, JavaScript, TypeScript, React, Ruby, Scala, R, SQL, and Go\ NLeveraged AI-assistive development tools for tasks like scaffolding, refactoring, debugging, test generation, and documentation\ NExperience building or integrating ...

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 ...