826 to 850 of 1,313 ECMAScript Jobs in London

closely with product, engineering, and leadership What we’re looking for: Strong commercial experience building and deploying ML models in production Proficiency in Python and familiarity with TypeScript/JavaScript Experience with NLP or recommendation systems is a bonus Excited by start-ups: product-minded, hands-on, and motivated by impact What’s on offer: £100,000 - £120,000 salary More ❯

closely with product, engineering, and leadership What we’re looking for: Strong commercial experience building and deploying ML models in production Proficiency in Python and familiarity with TypeScript/JavaScript Experience with NLP or recommendation systems is a bonus Excited by start-ups: product-minded, hands-on, and motivated by impact What’s on offer: £100,000 - £120,000 salary More ❯

experience: Knowledge of the following workflows within ServiceNow: Customer Experience & Employee Experience Knowledge of the following modules: HRSD or CSM Demonstratable experience in the following: ServiceNow web services & APIs, JavaScript, Flow Configuration, relational databases, and Web Technologies Ability to engage with stakeholders at all levels of an organisation from all relevant business areas As a ServiceNow Developer within this values More ❯

experience: Knowledge of the following workflows within ServiceNow: Customer Experience & Employee Experience Knowledge of the following modules: HRSD or CSM Demonstratable experience in the following: ServiceNow web services & APIs, JavaScript, Flow Configuration, relational databases, and Web Technologies Ability to engage with stakeholders at all levels of an organisation from all relevant business areas As a ServiceNow Developer within this values More ❯

with traders, quants, and back-end engineers to deliver seamless UI experiences. Contribute to architectural decisions and front-end performance tuning. Required Skills & Experience Expertise in React.js and modern JavaScript (ES6+) Proven experience delivering front-end applications in electronic trading environments Strong understanding of performance optimisation and low-latency UI design Experience with real-time data technologies (WebSockets, FIX, etc. More ❯

with traders, quants, and back-end engineers to deliver seamless UI experiences. Contribute to architectural decisions and front-end performance tuning. Required Skills & Experience Expertise in React.js and modern JavaScript (ES6+) Proven experience delivering front-end applications in electronic trading environments Strong understanding of performance optimisation and low-latency UI design Experience with real-time data technologies (WebSockets, FIX, etc. More ❯

experience: Knowledge of the following workflows within ServiceNow: Customer Experience & Employee Experience Knowledge of the following modules: HRSD or CSM Demonstratable experience in the following: ServiceNow web services & APIs, JavaScript, Flow Configuration, relational databases, and Web Technologies Ability to engage with stakeholders at all levels of an organisation from all relevant business areas As a ServiceNow Developer within this values More ❯

with traders, quants, and back-end engineers to deliver seamless UI experiences. Contribute to architectural decisions and front-end performance tuning. Required Skills & Experience Expertise in React.js and modern JavaScript (ES6+) Proven experience delivering front-end applications in electronic trading environments Strong understanding of performance optimisation and low-latency UI design Experience with real-time data technologies (WebSockets, FIX, etc. More ❯

experience: Knowledge of the following workflows within ServiceNow: Customer Experience & Employee Experience Knowledge of the following modules: HRSD or CSM Demonstratable experience in the following: ServiceNow web services & APIs, JavaScript, Flow Configuration, relational databases, and Web Technologies Ability to engage with stakeholders at all levels of an organisation from all relevant business areas As a ServiceNow Developer within this values More ❯

with traders, quants, and back-end engineers to deliver seamless UI experiences. Contribute to architectural decisions and front-end performance tuning. Required Skills & Experience Expertise in React.js and modern JavaScript (ES6+) Proven experience delivering front-end applications in electronic trading environments Strong understanding of performance optimisation and low-latency UI design Experience with real-time data technologies (WebSockets, FIX, etc. More ❯

the codebase and help scale a new small engineering team of 4 engineers to begin with. Job Requirements : Over 8 years experience in software engineering Experience with Scala and Javascript projects AWS is nice to have Good people management skills Some technical skills to offer technical leadership Ability to lead and manage a team, overlooking the product goals for the More ❯

the codebase and help scale a new small engineering team of 4 engineers to begin with. Job Requirements : Over 8 years experience in software engineering Experience with Scala and Javascript projects AWS is nice to have Good people management skills Some technical skills to offer technical leadership Ability to lead and manage a team, overlooking the product goals for the More ❯

the codebase and help scale a new small engineering team of 4 engineers to begin with. Job Requirements : Over 8 years experience in software engineering Experience with Scala and Javascript projects AWS is nice to have Good people management skills Some technical skills to offer technical leadership Ability to lead and manage a team, overlooking the product goals for the More ❯

the codebase and help scale a new small engineering team of 4 engineers to begin with. Job Requirements : Over 8 years experience in software engineering Experience with Scala and Javascript projects AWS is nice to have Good people management skills Some technical skills to offer technical leadership Ability to lead and manage a team, overlooking the product goals for the More ❯

Required Qualifications & Technical Skills - Adobe Subject Matter Expert: Proven deep expertise in Adobe Analytics and hands-on experience with Adobe Data Collection/Implementation methodologies. Technical Proficiency: Must be JavaScript literate with demonstrated experience operating successfully within sprint teams and a solid grasp of the SDLC. Tooling Experience: Practical experience with Adobe Analytics configuration and comprehensive reporting. Highly Desirable - Direct More ❯

Required Qualifications & Technical Skills - Adobe Subject Matter Expert: Proven deep expertise in Adobe Analytics and hands-on experience with Adobe Data Collection/Implementation methodologies. Technical Proficiency: Must be JavaScript literate with demonstrated experience operating successfully within sprint teams and a solid grasp of the SDLC. Tooling Experience: Practical experience with Adobe Analytics configuration and comprehensive reporting. Highly Desirable - Direct More ❯

Required Qualifications & Technical Skills - Adobe Subject Matter Expert: Proven deep expertise in Adobe Analytics and hands-on experience with Adobe Data Collection/Implementation methodologies. Technical Proficiency: Must be JavaScript literate with demonstrated experience operating successfully within sprint teams and a solid grasp of the SDLC. Tooling Experience: Practical experience with Adobe Analytics configuration and comprehensive reporting. Highly Desirable - Direct More ❯

to maximise feature adoption and performance. Collaborate with cross-functional teams to deliver scalable, secure, and automated infrastructure solutions. Support automation initiatives using tools such as PowerShell , Python , and JavaScript . Engage in daily tasks ranging from solution architecture and deployment to scripting and automation. Maintain alignment with evolving customer requirements and contribute to continuous improvement. Required Qualifications: Proven expertise More ❯

Part 2) into multiple operating environments with both encode and decoder capability, these include: Android (Android X/ExoPlayer for playback) iOS (AVPlayer and VTDS/VTCS frameworks), FFmpeg, JavaScript based web decoders, native Chromium browser and WebRTC, ALVR (Air Light VR). Working with the decoder and encoder teams to support maintenance and improvements in the core C++ codec More ❯

Part 2) into multiple operating environments with both encode and decoder capability, these include: Android (Android X/ExoPlayer for playback) iOS (AVPlayer and VTDS/VTCS frameworks), FFmpeg, JavaScript based web decoders, native Chromium browser and WebRTC, ALVR (Air Light VR). Working with the decoder and encoder teams to support maintenance and improvements in the core C++ codec More ❯

Part 2) into multiple operating environments with both encode and decoder capability, these include: Android (Android X/ExoPlayer for playback) iOS (AVPlayer and VTDS/VTCS frameworks), FFmpeg, JavaScript based web decoders, native Chromium browser and WebRTC, ALVR (Air Light VR). Working with the decoder and encoder teams to support maintenance and improvements in the core C++ codec More ❯

Part 2) into multiple operating environments with both encode and decoder capability, these include: Android (Android X/ExoPlayer for playback) iOS (AVPlayer and VTDS/VTCS frameworks), FFmpeg, JavaScript based web decoders, native Chromium browser and WebRTC, ALVR (Air Light VR). Working with the decoder and encoder teams to support maintenance and improvements in the core C++ codec More ❯

Performance Tuning & Optimization: Identify and address performance bottlenecks, ensuring the scalability and optimal performance of ServiceNow applications. Advanced Scripting & Development: Possess expert-level experience with ServiceNow scripting (Server-side JavaScript, GlideRecord, GlideSystem, UI Policies, Business Rules, Client Scripts, Script Includes) and the development of custom applications. Agile Leadership: Guide agile development teams from a technical perspective, ensuring that user stories More ❯

Performance Tuning & Optimization: Identify and address performance bottlenecks, ensuring the scalability and optimal performance of ServiceNow applications. Advanced Scripting & Development: Possess expert-level experience with ServiceNow scripting (Server-side JavaScript, GlideRecord, GlideSystem, UI Policies, Business Rules, Client Scripts, Script Includes) and the development of custom applications. Agile Leadership: Guide agile development teams from a technical perspective, ensuring that user stories More ❯

Performance Tuning & Optimization: Identify and address performance bottlenecks, ensuring the scalability and optimal performance of ServiceNow applications. Advanced Scripting & Development: Possess expert-level experience with ServiceNow scripting (Server-side JavaScript, GlideRecord, GlideSystem, UI Policies, Business Rules, Client Scripts, Script Includes) and the development of custom applications. Agile Leadership: Guide agile development teams from a technical perspective, ensuring that user stories More ❯