501 to 525 of 1,296 ECMAScript Jobs in London

enhancements Drive performance tuning and solve low-level technical bottlenecks Maintain high standards in testing, documentation, and code quality Tech Stack & Skills: Strong proficiency in core Java Exposure to JavaScript/TypeScript & HTML5 is a plus Deep understanding of data structures, algorithms, and performance optimization Familiar with modern SDLC tools and CI/CD workflows Competitive compensation package and a More ❯

commercial experience with Python Experience with Web frameworks such as Django and Flask Experience of using and building RESTful APIs using Python Experience with Front-end development (HTML, CSS, Javascript) Experience with source control (GitLab) Hands on experience and understanding of Docker and Kubernetes. Knowledge of Microservice architectures is a plus Ansible or Terraform knowledge is a plus Understanding of More ❯

commercial experience with Python Experience with Web frameworks such as Django and Flask Experience of using and building RESTful APIs using Python Experience with Front-end development (HTML, CSS, Javascript) Experience with source control (GitLab) Hands on experience and understanding of Docker and Kubernetes. Knowledge of Microservice architectures is a plus Ansible or Terraform knowledge is a plus Understanding of More ❯

commercial experience with Python Experience with Web frameworks such as Django and Flask Experience of using and building RESTful APIs using Python Experience with Front-end development (HTML, CSS, Javascript) Experience with source control (GitLab) Hands on experience and understanding of Docker and Kubernetes. Knowledge of Microservice architectures is a plus Ansible or Terraform knowledge is a plus Understanding of More ❯

commercial experience with Python Experience with Web frameworks such as Django and Flask Experience of using and building RESTful APIs using Python Experience with Front-end development (HTML, CSS, Javascript) Experience with source control (GitLab) Hands on experience and understanding of Docker and Kubernetes. Knowledge of Microservice architectures is a plus Ansible or Terraform knowledge is a plus Understanding of More ❯

up to date with the latest technology trends and implement improvements to enhance product performance and user experience. Qualifications : 🎓Computer science degree or a similar degree. 🎓Strong command of JavaScript with proven experience in React Native. 🎓Ability to code components, manage state, and confidently handle the fundamentals without reliance on tools like Copilot. 🎓Familiarity with Git, HTML/CSS, and More ❯

up to date with the latest technology trends and implement improvements to enhance product performance and user experience. Qualifications : 🎓Computer science degree or a similar degree. 🎓Strong command of JavaScript with proven experience in React Native. 🎓Ability to code components, manage state, and confidently handle the fundamentals without reliance on tools like Copilot. 🎓Familiarity with Git, HTML/CSS, and More ❯

up to date with the latest technology trends and implement improvements to enhance product performance and user experience. Qualifications : 🎓Computer science degree or a similar degree. 🎓Strong command of JavaScript with proven experience in React Native. 🎓Ability to code components, manage state, and confidently handle the fundamentals without reliance on tools like Copilot. 🎓Familiarity with Git, HTML/CSS, and More ❯

up to date with the latest technology trends and implement improvements to enhance product performance and user experience. Qualifications : 🎓Computer science degree or a similar degree. 🎓Strong command of JavaScript with proven experience in React Native. 🎓Ability to code components, manage state, and confidently handle the fundamentals without reliance on tools like Copilot. 🎓Familiarity with Git, HTML/CSS, and More ❯

and Power Platform Strong grasp of Azure Logic Apps, Functions, and DevOps Regulatory sector exposure Solid understanding of CRM/ERP processes in regulated industries Skilled in C#, .NET, JavaScript, SQL Server, and data integration Agile mindset with excellent documentation and stakeholder engagement skills If you tick the boxes please drop me your details and we can discuss in more More ❯

and Power Platform Strong grasp of Azure Logic Apps, Functions, and DevOps Regulatory sector exposure Solid understanding of CRM/ERP processes in regulated industries Skilled in C#, .NET, JavaScript, SQL Server, and data integration Agile mindset with excellent documentation and stakeholder engagement skills If you tick the boxes please drop me your details and we can discuss in more More ❯

and Power Platform Strong grasp of Azure Logic Apps, Functions, and DevOps Regulatory sector exposure Solid understanding of CRM/ERP processes in regulated industries Skilled in C#, .NET, JavaScript, SQL Server, and data integration Agile mindset with excellent documentation and stakeholder engagement skills If you tick the boxes please drop me your details and we can discuss in more More ❯

Ability to develop and maintain mobile apps across iOS and Android platforms. Web3 (Preferred): Familiarity with blockchain, smart contracts, and decentralised applications is a plus. Strong proficiency in modern JavaScript/TypeScript, component-based architecture, and responsive design. Experience in CI/CD pipelines, testing practices, and rapid iteration workflows. Candidate Profile: Comfortable in fast-moving, scale-up style environments. More ❯

and managing QA or Automation Engineers in a collaborative, agile environment. Experience with Cypress or Playwright for UI and functional testing. Hands-on expertise in automation frameworks built with JavaScript/TypeScript. Strong understanding of API and data testing principles Confident with CI/CD tools such as Jenkins, GitLab CI, or Azure DevOps . Familiarity or curiosity around AI More ❯

and managing QA or Automation Engineers in a collaborative, agile environment. Experience with Cypress or Playwright for UI and functional testing. Hands-on expertise in automation frameworks built with JavaScript/TypeScript. Strong understanding of API and data testing principles Confident with CI/CD tools such as Jenkins, GitLab CI, or Azure DevOps . Familiarity or curiosity around AI More ❯

and Power Platform Strong grasp of Azure Logic Apps, Functions, and DevOps Regulatory sector exposure Solid understanding of CRM/ERP processes in regulated industries Skilled in C#, .NET, JavaScript, SQL Server, and data integration Agile mindset with excellent documentation and stakeholder engagement skills If you tick the boxes please drop me your details and we can discuss in more More ❯

and managing QA or Automation Engineers in a collaborative, agile environment. Experience with Cypress or Playwright for UI and functional testing. Hands-on expertise in automation frameworks built with JavaScript/TypeScript. Strong understanding of API and data testing principles Confident with CI/CD tools such as Jenkins, GitLab CI, or Azure DevOps . Familiarity or curiosity around AI More ❯

and managing QA or Automation Engineers in a collaborative, agile environment. Experience with Cypress or Playwright for UI and functional testing. Hands-on expertise in automation frameworks built with JavaScript/TypeScript. Strong understanding of API and data testing principles Confident with CI/CD tools such as Jenkins, GitLab CI, or Azure DevOps . Familiarity or curiosity around AI More ❯

a unique opportunity to work on cutting-edge technology in a dynamic, fast-paced sector. Key skills required include expertise in modern PHP 8+ (ideally Laravel/Symfony) and JavaScript/TypeScript (React.JS) being essential to drive their frontend and backend systems. You will be designing and delivering scalable, high-performance solutions from product requirements, ensuring robust observability through metrics More ❯

a unique opportunity to work on cutting-edge technology in a dynamic, fast-paced sector. Key skills required include expertise in modern PHP 8+ (ideally Laravel/Symfony) and JavaScript/TypeScript (React.JS) being essential to drive their frontend and backend systems. You will be designing and delivering scalable, high-performance solutions from product requirements, ensuring robust observability through metrics More ❯

a unique opportunity to work on cutting-edge technology in a dynamic, fast-paced sector. Key skills required include expertise in modern PHP 8+ (ideally Laravel/Symfony) and JavaScript/TypeScript (React.JS) being essential to drive their frontend and backend systems. You will be designing and delivering scalable, high-performance solutions from product requirements, ensuring robust observability through metrics More ❯

a unique opportunity to work on cutting-edge technology in a dynamic, fast-paced sector. Key skills required include expertise in modern PHP 8+ (ideally Laravel/Symfony) and JavaScript/TypeScript (React.JS) being essential to drive their frontend and backend systems. You will be designing and delivering scalable, high-performance solutions from product requirements, ensuring robust observability through metrics More ❯

Knowledge of Azure & Microsoft 365 Experience with Agile, DevOps, and delivery lifecycles Strong consultancy, communication, and stakeholder skills Microsoft certifications (or willingness to maintain) Nice to Have: Power BI, JavaScript/C#, SSRS Why Join Us? Salary up to £90k + excellent benefits Hybrid working (flexible balance of office & remote) Varied projects across multiple industries Professional development & certifications supported Collaborative More ❯

Knowledge of Azure & Microsoft 365 Experience with Agile, DevOps, and delivery lifecycles Strong consultancy, communication, and stakeholder skills Microsoft certifications (or willingness to maintain) Nice to Have: Power BI, JavaScript/C#, SSRS Why Join Us? Salary up to £90k + excellent benefits Hybrid working (flexible balance of office & remote) Varied projects across multiple industries Professional development & certifications supported Collaborative More ❯

Knowledge of Azure & Microsoft 365 Experience with Agile, DevOps, and delivery lifecycles Strong consultancy, communication, and stakeholder skills Microsoft certifications (or willingness to maintain) Nice to Have: Power BI, JavaScript/C#, SSRS Why Join Us? Salary up to £90k + excellent benefits Hybrid working (flexible balance of office & remote) Varied projects across multiple industries Professional development & certifications supported Collaborative More ❯