Building apps
people actually
want to use.
Senior React / React Native engineer with 8+ years shipping cross-platform products across fintech, crypto, logistics, and public security. Based in Kraków — working globally.
Experience
Senior React / React Native Developer
ICEO — BeOneCross-platform mobile banking app with native Checkout SDK integration, supporting Apple Pay, Google Pay, BLIK, and crypto flows. Extracted the shared network layer into a standalone library used across web and mobile teams.
Senior React / React Native Developer
Startupsoft — Tow4TechBuilt real-time GPS tracking and interactive live maps for driver–manager coordination. Developed scalable multi-account web architecture with role-based access control.
Lead React / React Native Developer
NDA — Public Security AppLed the mobile team. Built a custom native audio manager and persistent BLE management system for Flic hardware buttons. Mentored a developer transitioning from C# to React Native.
Senior Front-End Developer
Geniusee — Argo FintechOffline-capable farm management app with multifunctional Mapbox map for crop planning. Developed cross-platform components and full E2E test coverage with Detox.
Senior React Native Developer
Velas Network AG — BitOrbitSocial network and NFT marketplace on a blockchain platform reaching 10k+ active users. Integrated Telegram, Viber, WhatsApp SDKs natively and built crypto wallet with smart contract interaction.
Middle+ React Native Developer
Andersen Lab — First Bank of NigeriaReact Native mobile banking app for African markets. Built native bridge for AquireSDK, integrated REST APIs, and implemented offline USSD functionality.
Projects
BeOne — Mobile Banking
Fintech · React Native · ExpoCross-platform mobile banking app supporting traditional and crypto payment flows. Integrated native Checkout SDK for card, Apple Pay, Google Pay, and BLIK. Built a shared network library reused across web and mobile.
Tow4Tech — Fleet Tracking
Logistics · React · MapsReal-time GPS tracking platform with live interactive maps for towing operations. Built driver–manager coordination tools with WebSocket-powered live updates and multi-account role-based access.
BitOrbit — NFT Social Network
Blockchain · Web3 · React NativeSocial network and NFT marketplace built on the Velas blockchain. Unified Telegram, Viber, and WhatsApp SDKs natively using TDLib, Java, and Swift. Reached 10k+ active users at peak.
Argo — AgriFintech Platform
Fintech · Mapbox · Offline-firstOffline-capable agricultural management app for farmers in developing economies. Built a multifunctional Mapbox-based map for crop and farm planning with offline sync.
Skills
Let's work together
Open to senior remote contracts in mobile and front-end engineering. Available across the EEA time zones.
d.bohatyrchuk@gmail.com →