2 of 2 Remote Performance Optimisation Jobs in the City of London

on a native SDK that powers real-time data collection directly on devices. The role blends hands-on mobile engineering with architectural thinking, with a strong emphasis on usability, performance, and scalability. The iOS Developer will work closely with backend and data engineers in cross-functional squads, taking part in system design, product discussions, and architectural decisions. You'll … and patterns (SwiftUI, UIKit, CoreData, MVVM, Clean Architecture, Dependency Injection, etc.) Proven experience developing scalable SDKs for external or internal use Strong knowledge of mobile architecture, design patterns, and performance optimisation Track record of delivering across the full app lifecycle, from feature design to release and iteration Collaborative, product-driven mindset, with the ability to mentor junior engineers … Experience working in Agile, cross-functional teams Interest in using AI tools to boost productivity and improve code quality iOS Developer - Salary & Benefits: Base salary up to £85,000 Performance-related bonus Share options Private medical insurance & income protection Enhanced pension scheme Minimum 25 days annual leave Flexible hybrid working model - typically 1 day per month in central London More ❯

with existing team to ensure smooth transition handover at termination of contract Contribute to CI/CD workflows using Azure Pipelines within an Azure cloud environment. Optimize application for performance, scalability, and accessibility. Troubleshoot and resolve issues across the front end, supporting integration points with back-end services. Maintain design consistency, usability, and accessibility standards across applications. Requirements Proven … of .NET (C#) and how React applications integrate with it. Familiarity with Azure environments, ideally including Azure Pipelines for CI/CD. Strong understanding of responsive design, accessibility, and performance optimization. Familiaity with calender page optimisation A team player with good communication skills More ❯