201 to 225 of 700 ECMAScript Jobs in London

data presentation and integration. What We’re Looking For 3+ years’ experience delivering production-ready full-stack solutions. Strong proficiency in Python, Django, JavaScript, React , and Git. Ability to build responsive interfaces and manage complex backend logic. Excellent problem-solving and time management skills. Bonus Skills: Experience with Azure, Docker ...

data presentation and integration. What We’re Looking For 3+ years’ experience delivering production-ready full-stack solutions. Strong proficiency in Python, Django, JavaScript, React , and Git. Ability to build responsive interfaces and manage complex backend logic. Excellent problem-solving and time management skills. Bonus Skills: Experience with Azure, Docker ...

improve workflow and product quality Skills and Experience Required • Professional experience in full-stack or backend-focused roles • Advanced knowledge of Vue.js, Nuxt.js, JavaScript, TypeScript and SCSS • Strong backend development skills in Node.js, PHP/Laravel or equivalent • Solid experience working with headless CMS platforms and API-first ecosystems • Understanding ...

modernise, or consolidate existing systems and processes. Tech stack includes: TypeScript, React, Next.js, PHP, Nginx, Docker Background & Experience Essential Skills Strong proficiency in TypeScript, JavaScript, and React. Solid experience with Next.js and modern frontend best practices. Strong foundation in web UI development (HTML, CSS, responsive design). Good understanding ...

modernise, or consolidate existing systems and processes. Tech stack includes: TypeScript, React, Next.js, PHP, Nginx, Docker Background & Experience Essential Skills Strong proficiency in TypeScript, JavaScript, and React. Solid experience with Next.js and modern frontend best practices. Strong foundation in web UI development (HTML, CSS, responsive design). Good understanding ...

days/month; occasional team gatherings Salary: Senior: €130–150k base + growth trajectory Principal: €160–200k base + package discussion Tech: Python, JavaScript, Azure, AWS, AI, LLM's, RAG Industry: AI Consultancy The Role We're looking for talented engineers to join our customer-facing AI practice, from Senior ...

days/month; occasional team gatherings Salary: Senior: €130–150k base + growth trajectory Principal: €160–200k base + package discussion Tech: Python, JavaScript, Azure, AWS, AI, LLM's, RAG Industry: AI Consultancy The Role We're looking for talented engineers to join our customer-facing AI practice, from Senior ...

quality, and requirements Improve testability through CI/CD integration, code reviews, and architecture discussions Key Skills and Experience Strong programming skills, ideally in JavaScript and C#, with experience applying core software engineering design patterns and principles Extensive experience testing web-based applications, including Single Page Applications and microservice architectures ...

engineering community to foster an inclusive and collaborative culture, encouraging peer to peer feedback and evolving healthy, curious and humble teams. Tech Stack: Python, Javascript/Typescript, React/React Native, AWS, GraphQL, Snowflake, Airflow, DDD. This is an incredible opportunity for a Senior Software Engineer to join a unique ...

Exposure to CEP engines (Esper) or other live stream aggregation technologies. Familiarity with authentication, authorization, and endpoint security. Experience with C#/HTML/JavaScript and AWS/Terraform/CI-CD pipelines. Why Join CMC Markets? Work on high-performance trading systems that have global impact. Collaborate with ...

Exposure to CEP engines (Esper) or other live stream aggregation technologies. Familiarity with authentication, authorization, and endpoint security. Experience with C#/HTML/JavaScript and AWS/Terraform/CI-CD pipelines. Why Join CMC Markets? Work on high-performance trading systems that have global impact. Collaborate with ...

risk-management product Scalable, well-tested mobile architecture Real-time, data-driven tools used in mission-critical scenarios Tech Stack Languages: TypeScript, JavaScript Mobile: React Native, Expo State & Data: TanStack Query, Zustand Web: React, Next.js CI/CD: GitHub Actions Backend: Node.js, Java, Python Cloud: AWS (Lambda, S3, CloudFront ...

risk-management product Scalable, well-tested mobile architecture Real-time, data-driven tools used in mission-critical scenarios Tech Stack Languages: TypeScript, JavaScript Mobile: React Native, Expo State & Data: TanStack Query, Zustand Web: React, Next.js CI/CD: GitHub Actions Backend: Node.js, Java, Python Cloud: AWS (Lambda, S3, CloudFront ...

. Extensive experience of legacy and modern coding languages, technology and platforms including: .NET Framework, Microsoft SQL Server, Windows Server, SOAP Web services, Python, - Javascript, BitEngine, Azure. Degree in Computer Science, Information Systems, or a related field or commensurate level of proven experience. ...

. Extensive experience of legacy and modern coding languages, technology and platforms including: .NET Framework, Microsoft SQL Server, Windows Server, SOAP Web services, Python, - Javascript, BitEngine, Azure. Degree in Computer Science, Information Systems, or a related field or commensurate level of proven experience. ...

Shopify Software Developer, working on Shopify themes and front-end development components Strong expertise in PHP, Liquid, HTML, CSS/SCSS, and JavaScript Experience integrating third-party services, APIs, and Shopify plugins Solid understanding of cross-browser, cross-device, and cross-platform compatibility issues and solutions Experience working in Agile ...

ServiceNow scripting (Business Rules, Client Scripts, Script Includes, etc.) - ServiceNow Flow Designer and Integration Hub capabilities - REST/SOAP web services development and consumption - JavaScript, AngularJS, HTML/CSS for ServiceNow customizations - Database design and SQL optimization - Enterprise integration patterns and middleware technologies - Cloud architecture principles (AWS, Azure, GCP) Certifications ...

ServiceNow scripting (Business Rules, Client Scripts, Script Includes, etc.) - ServiceNow Flow Designer and Integration Hub capabilities - REST/SOAP web services development and consumption - JavaScript, AngularJS, HTML/CSS for ServiceNow customizations - Database design and SQL optimization - Enterprise integration patterns and middleware technologies - Cloud architecture principles (AWS, Azure, GCP) Certifications ...

date with the latest advancements in Java technologies. Document technical designs, implementations, and troubleshooting steps. Desirable skills: Experience with scripting languages (e.g., JavaScript, Groovy). Experience with agile development methodologies. Knowledge of Java frameworks like Spring/Spring Boot. Understanding of integrating applications with AWS services, specifically AWS Simple Queue ...

Mastery: Extensive professional background working with the JVM ecosystem (specifically Java or Kotlin). Modern Web & Orchestration: Ideally you will have proficiency in JavaScript frameworks and experience with workflow engines. Cloud-Native Data: Solid experience architecting on AWS and managing both relational and document-based data stores like Postgres ...

GitHub, Jenkins, etc.) Experience writing scripts with Python, Postman, etc. to automate tasks via security tool APIs (REST & GraphQL) Familiarity with how .NET, Java, JavaScript programs are compiled and packaged. Hands-on experience with application security solutions (Veracode, Synopsys, Checkmarx, Snyk, etc.) and cloud security solutions (Wiz, Palo Alto Prisma ...

GitHub, Jenkins, etc.) Experience writing scripts with Python, Postman, etc. to automate tasks via security tool APIs (REST & GraphQL) Familiarity with how .NET, Java, JavaScript programs are compiled and packaged. Hands-on experience with application security solutions (Veracode, Synopsys, Checkmarx, Snyk, etc.) and cloud security solutions (Wiz, Palo Alto Prisma ...

DevOps testing practices and CI/CD pipeline integration. Bonus points if you have: Experience with automation tools such as Playwright (TypeScript/JavaScript) or Cypress. Experience with cloud platforms, such as Azure DevOps or AWS. Familiarity with version control systems, such as Git or GitHub. Experience working in football ...

diverse client environments. What You'll Do Deliver high-quality microservices using Java (Spring Boot) Build responsive front-end applications using React, TypeScript/JavaScript, HTML and CSS Design and build cloud-native solutions using AWS or Azure Use Git-based version control and CI/CD tooling (GitHub, GitLab … standards What We're Looking For Required Strong experience building microservices with Java (Spring Boot) Experience developing front-end applications with React & TypeScript/JavaScript Proficiency with Git and online repo tools (GitHub, GitLab etc.) Experience with CI/CD pipelines Knowledge of cloud platforms such as AWS or Azure ...

high-performance digital services. Key Responsibilities Design and deliver high-quality microservices using Java (Spring Boot) Build user-centric front-end applications using JavaScript/TypeScript, React, HTML and CSS Develop cloud-native solutions on platforms such as AWS or Azure Use CI/CD pipelines and version control tools … Skills & Experience Active Developed Vetting (DV) clearance Strong experience building microservices with Java/Spring Boot Front-end engineering experience with React & TypeScript/JavaScript CI/CD experience (GitLab, GitHub, Jenkins) Proficiency with Git and cloud technologies Experience with Docker and agile delivery Desirable Skills Terraform or other ...