26 to 30 of 30 JavaScript Jobs in the City of Westminster

Software Development Engineer III

Hiring Organisation
Tesco
Location
Westminster abbey, United Kingdom
issues, perform root cause analysis and continuously improve reliability, quality and speed of delivery. Build and maintain web-based user interfaces using React.js, modern JavaScript/TypeScript, HTML and CSS, enabling colleagues to interact effectively with data and AI based tools. Technical Excellence: Promote strong software engineering practices across backend … powered applications (e.g. copilots, assistants, agent based workflows), with a focus on reliability and real user impact. Good working knowledge of React.js and modern JavaScript/TypeScript, with experience building and maintaining production web interfaces. Proficiency with HTML and CSS, and an understanding of usability, accessibility and performance considerations. Experience ...

Lead Software Engineer - Frontend Engineering - React Native

Hiring Organisation
J.P. MORGAN
Location
Westminster abbey, United Kingdom
practices in mobile development. Drive continuous improvement initiatives to enhance development processes and workflows. Required qualifications, capabilities and skills Formal training or certification on JavaScript concepts and proficient advanced experience Strong knowledge of JavaScript, TypeScript, and ES6+ syntax Ability to write testable, clean JavaScript code Familiarity with writing unit tests … written and verbal communication skills in English Preferred qualifications, capabilities and skills Proficiency in React framework & Building applications using React Native in TypeScript or JavaScript Native application development across Android/iOS in Kotlin/Swift Understanding of REST APIs and GraphQL Comfortable working with projects partially or fully using ...

Lead Software Engineer - Platform Engineering

Hiring Organisation
J.P. MORGAN
Location
Westminster abbey, United Kingdom
practices in mobile development. Drive continuous improvement initiatives to enhance development processes and workflows. Required qualifications, capabilities, and skills Formal training or certification on JavaScript concepts and 5+ years applied experience Strong knowledge of JavaScript, TypeScript, and ES6+ syntax Ability to write testable, clean JavaScript code Familiarity with writing unit … written and verbal communication skills in English Preferred qualifications, capabilities, and skills Proficiency in React framework, building applications using React Native in TypeScript or JavaScript Native application development across Android/iOS in Kotlin/Swift Understanding of REST APIs and GraphQL Comfortable working with projects partially or fully using ...

Software Engineer III- React

Hiring Organisation
J.P. MORGAN
Location
Westminster abbey, United Kingdom
practices in mobile development. Drive continuous improvement initiatives to enhance development processes and workflows Required qualifications, capabilities and skills Formal training or certification on JavaScript concepts and proficient applied experience Ability to write testable, clean JavaScript code Proficiency in React framework Familiarity with writing unit tests Understanding of REST APIs … addressing customer needs Excellent written and verbal communication skills in English Preferred qualifications, capabilities and skills Building applications using React Native in TypeScript or JavaScript Native application development across Android/iOS in Kotlin/Swift Comfortable working with projects partially or fully using TypeScript Using latest React features such ...

Lead Software Engineer

Hiring Organisation
J.P. MORGAN
Location
Westminster abbey, United Kingdom
Job Description hackajob is collaborating with J.P. Morgan to connect them with exceptional professionals for this role. For a complete understanding of this opportunity, and what will be required to be a successful applicant, read ...