Bayram M.

I’m a Senior iOS Developer with 10+ years of professional experience and an MS in Computer Science. I help companies design, build, and scale high-quality iOS applications that are reliable, intuitive, and crash-free. 🚀 What I Bring Proven iOS Expertise – Swift, SwiftUI, Objective-C, and cross-platform (React Native, Kotlin). BLE Mesh & Firmware Communication – Experience developing apps that integrate with BLE Mesh lighting systems and embedded firmware, including device provisioning, node status monitoring, and OTA updates. End-to-End Delivery – From architecture & development to App Store release & maintenance. Payments & Fintech – Integrated Apple Pay, Revolut Pay, VISA SDKs and built secure banking solutions. Performance & Testing – Increased code coverage from 20% → 75% and delivered 99% crash-free user rate. Agile Collaboration – Worked with international teams in Agile/Scrum, mentored juniors, and led technical interviews. 🏆 Highlights Travel & Flight Booking App – migrated core pages from Objective-C to SwiftUI, integrated payment SDKs. Firebase integration, Remote Config & Analytics & Crashlytics. iOS Banking App – led full rebuild with modular architecture, achieving 80%+ test coverage. Indoor AR Navigation App – developed custom pedometer & beacon-based positioning system for a large hospital. BLE Mesh Lighting Control App – built iOS app for provisioning, controlling, and monitoring BLE Mesh devices with firmware-level communication. 🔧 Tech Stack iOS: Swift, SwiftUI, Objective-C, XCTest, XCUITest, Snapshot Testing Connectivity: BLE Mesh, Bluetooth Low Energy, Firmware Communication, OTA updates Backend & Cloud: Node.js, Flask, FastAPI, AWS, Azure, Docker, Kubernetes ML/AI: TensorFlow, PyTorch, Generative AI, Computer Vision, Medical Imaging ✅ If you need a reliable senior engineer who can deliver production-ready, scalable apps, let’s connect. I can help with new builds, app modernization, bug fixing, and advanced features like BLE Mesh integrations, payments, AI, or cloud backends. Below I am sharing a few categories of apps that I have developed from scratch. *Flight Booking Application * Online Payment Application * Banking Application * Fintech Application * Navigation and Indoor Navigation Application * Image processing *Bluetooth Mesh *Bluetooth - BLE * Document Management && E-sign Application * E-commerce Application * Beacon Based Application * Photo Editing Application