326 to 333 of 333 Senior Developer Jobs in London

FX Electronic Trading Quant — Senior Quant & Algo Developer

Location
Greater London, England, United Kingdom
The Quantitative Analyst role at Citi in London focuses on building automated analytical frameworks to monitor FX electronic trading and execution strategies. The candidate should take end-to-end ownership of meaningful deliverables and work ...

Senior React Native Developer

Location
Greater London, England, United Kingdom
Put the important things in a business owner's pocket. Build a fast, reliable mobile experience for reviewing calls, managing notifications and following up with customers. The work matters. Jodie AI is a UK company ...

Senior iOS Swift Developer – Hybrid & Firebase

Location
Greater London, England, United Kingdom
Netcompany is seeking a talented Mobile App Developer with Swift to join our mobile development team. You will design, build, and maintain high-quality iOS applications for diverse client projects, leveraging Firebase for real-time features and exploring Kotlin Multiplatform opportunities for cross-platform work. Hybrid role ...

Senior Full-Stack Web Developer — PHP/WordPress

Location
Greater London, England, United Kingdom
Creative Code in London is seeking two senior Full Stack Developers with strong LAMP and MEAN experience to join our growing team. You will transform design files into responsive websites and APIs, using WordPress, PHP, MySQL, HTML5/CSS3 and Bootstrap. The role requires delivering high-quality work ...

Senior Web Frontend Developer - Remote Outside IR35

Location
Greater London, England, United Kingdom
CTDI is looking for a Web Frontend Developer to join a greenfield project for the transport industry. You'll work remotely or from London, Bristol, or Cornwall, becoming part of a small team responsible for designing and engineering a web application. The role demands extensive experience in front ...

Senior ServiceNow ITSM Developer – Telecom

Location
Greater London, England, United Kingdom
leading IT solutions provider in the United Kingdom is looking for a skilled ServiceNow Developer to oversee the implementation of the ITSM module. The ideal candidate will need a minimum of 4 years of ITSM experience with at least 3 years of ServiceNow expertise and a solid background ...

Senior Quantum SDK Architect & Developer Tools Lead

Location
Greater London, England, United Kingdom
ORCA Computing seeks a leader to own the developer software stack, including the SDK, APIs, and integrations for hybrid quantum-classical workflows. You will drive an end-to-end roadmap across science, engineering, and commercial teams, ensuring robust documentation, tutorials, and a thriving developer community around ORCA ...

Senior Front-End Developer: Figma-to-Production, High-Performance UI

Location
Greater London, England, United Kingdom
Primo Interactive Limited is seeking a frontend developer to convert Figma designs into fast, accessible HTML/CSS/JS on PHP templates. You will keep Core Web Vitals green and handle performance tests on live sites. Responsibilities include building accessible forms (Turnstile), maintaining the CSS design system with ...