Engin Bolat

Software Engineer @iyzico

Istanbul, Türkiye

About

React Native Developer wit h 3.5 + years of experience in architecting high- per formance, scalable B2C applications. Specialist in the modern React Native ecosystem, with deep expertise in Expo (EAS) and advanced state management. Proven track record in bridging the gap between JavaScript and Native iOS (Swift) to deliver complex features like Live Activities, AR, Bluetooth. Expert in per formance optimization and leading large-scale refactoring initiatives to ensure maintainable, high-quality codebases for high-traffic mobile products.

Experience

  • Software Engineer at iyzico
    Jul 2026 - Present · 1 mo

  • React Native Developer at FreshDirect
    Oct 2025 - Jun 2026 · 9 mos

    At FreshDirect, I focus on modernizing and scaling the mobile application infrastructure using React Native and Expo, with a strong emphasis on native integration and inclusivity. • Spearheading refactoring initiatives on the existing codebase to enhance system stability, modularity, and long-term maintainability. • Developing custom native modules with Swift to bridge platform-specific capabilities, such as implementing iOS Live Activities within the Expo environment. • Prioritizing an accessibility-first (a11y) development approach, ensuring the application is fully inclusive and compliant with universal design standards.

  • ParamTECH ()
    • React Native Specialist
      Sep 2025 - Sep 2025 · 1 mo

      • Spearheaded the development of a company-internal whitelabel package, making it reusable across multiple high-traffic apps, reducing code duplication, and enabling faster delivery cycles. • Designed and implemented React Native bridges for native SDKs (including a KYC SDK), ensuring seamless integration of platform-specific features into cross-platform apps. • Enhanced scalability by transforming existing internal solutions into modular, maintainable packages adopted across product lines. • Acted as a technical point of contact between mobile and backend/security teams, ensuring compliance and smooth integration for mission-critical features.

    • React Native Developer
      Jun 2024 - Sep 2025 · 1 yr 4 mos

      At ParamTech, I actively contributed to the development of multiple React Native projects, delivering high-performance, scalable mobile applications for both iOS and Android platforms. • Developed custom native modules for Android and iOS SDK integrations, enabling seamless React Native bridging and advanced platform-specific functionality. • Collaborated closely with designers and backend teams to ensure smooth UI/UX flows and efficient API integrations. • Led optimization efforts on critical screens by profiling rendering performance, minimizing re-renders, and improving app startup time. • Built and maintained a shared component library used across multiple high-traffic apps, improving code reusability and design consistency.

  • Mobile Developer at MetaGrade Corp
    Sep 2023 - Jun 2024 · 10 mos

    As the main developer, I took the lead on both the technical implementation and project coordination for a scalable mobile application. • Designed and developed custom native modules for ARKit (iOS) and RealityKit to enable advanced augmented reality features in React Native. • Architected seamless integration of these native modules with Redux for consistent state management and dynamic 3D content rendering. • Oversaw the end-to-end development process, ensuring on-time delivery of project milestones. • Developed a React Native mobile application with a focus on performance optimization and state management. • Implemented Axios and tRPC to optimize API efficiency and data synchronization. • Applied Atomic Design principles to build a structured, modular, and scalable UI architecture. • Integrated ARKit to enable interactive augmented reality features and dynamic 3D model rendering.

  • Full Stack Mobile Developer at PHD Teknoloji
    Jan 2023 - Jun 2024 · 1 yr 6 mos

    At PHD Teknoloji, I played a key role in developing a cross-platform mobile application, focusing on UI/UX improvements, performance optimization, and backend scalability. • Built a pixel-perfect UI in Flutter, ensuring a seamless user experience aligned with Figma prototypes. • Developed and maintained a secure and scalable backend using .NET Core. • Created an automated 24/7 database backup system, ensuring data integrity and secure storage. • Implemented error detection and logging to monitor database backups and prevent data loss.