Full-stack software development specializing in cryptography infrastructure and cross-platform applications.

• Cross-platform application development for mobile and desktop
• Cryptocurrency wallet integration and blockchain protocol engineering
• Complex build systems and multi-platform deployment pipelines
• Security auditing and code review for financial systems
• Advanced cryptographic library implementation and testing

Core engineering for production cryptocurrency wallet application.

• Core contributor to production wallet deployed globally across mobile and desktop platforms
• Ported C++ and Rust cryptocurrency libraries for Flutter on Windows
• Cryptocurrency integrations: Bitcoin, Ethereum, Litecoin, Solana, Tezos, Stellar, Cardano
• Advanced features: Multi-signature wallets, fee estimation, token support

Build systems and cross-platform engineering:

• Architected Windows cross-compilation pipelines from Linux
• Automated CMake + Cargo + Flutter hybrid build systems
• Android NDK pipelines (arm64-v8a, armeabi-v7a, x86_64) with Rust and C++ integrations

Blockchain wallet infrastructure and protocol implementation.

• Major contributor to cryptocurrency wallet libraries and Flutter bindings
• Designed and implemented Rust-based wallet cores for multiple blockchains
• Built transaction pipelines: key management, fee logic, transaction construction
• Implemented testnet transaction creation and validation engines
• Developed WASM-compatible wallet prototypes for web environments

Formal security review and cryptographic code auditing.

• Comprehensive security audits on cryptocurrency libraries and protocols
• Code review for financial applications and cryptographic implementations
• Implementation verification against technical specifications

Cross-platform application development and research projects.

• Built Ren'Py-compatible dialogue and scripting runtime in Flutter (renpy_flutter on pub.dev)
• Designed interactive application frameworks and game mechanics
• Developed automated testing and orchestration systems
• Browser-extension development and WebAssembly applications

Core Languages: Rust, C++, Dart, FFI and cross-language interop

Cryptography: Digital signatures, hash functions, implementation audits to spec

Cross-Platform: Flutter for all major platforms, JavaScript, TypeScript, React, React Native, WASM

Build Systems: CMake, Cargo, NDK, cross-compilation toolchains

Blockchain Protocols: JSON-RPC, WebSocket, transaction construction, fee estimation

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