Sandip Musale

Designed and developed native iOS modules for telecom apps serving 2M+ monthly active users with 99.9% uptime. Led UIKit → SwiftUI migration, improving development speed by 40% and reducing UI-related bugs. Architected async/await migration from legacy completion handlers, reducing callback complexity and eliminating race conditions in the network layer using structured concurrency with Task Groups. Implemented 85%+ unit test coverage, reducing production defects across modules. Built scalable network layers using URLSession + Combine, handling complex REST API workflows. Leveraged async/await with URLSession for concurrent API calls, implementing parallel data fetching with async let binding, improving response times by ~50%. Integrated advanced analytics (Dynatrace, Adobe Analytics) enabling data-driven insights. Improved app responsiveness and reduced memory spikes through refactoring and performance tuning. Ensured smooth Agile execution with 98% sprint completion rate, collabora

Developed a custom iOS SDK for Bluetooth Low Energy (BLE) healthcare devices using Core Bluetooth. Implemented connection handling, reconnection logic, device pairing, and data processing pipelines. Built comprehensive unit tests for BLE flows, ensuring 90%+ reliability during field testing. Reduced memory usage and improved stability for real-time health data transfer. Integrated backend REST APIs for secure data synchronization.

Led development of HelloDocApp v2.0, modernizing UI/UX and increasing user retention by 45%. Implemented MVVM + Clean Architecture, improving maintainability and reducing tech debt by 60%. Prevented memory leaks in view model lifecycle by implementing proper weak references for delegates and closures, reducing average memory usage by 30%. Integrated Firebase Analytics and Crashlytics, reducing crash rate by 40%. Built responsive interfaces using AutoLayout. Integrated secure payment gateway SDKs. Developed doctor–patient communication modules with REST APIs and JSON parsing.