geropylypchuk
Senior Blockchain Engineer
Blockchain Engineer with 6+ years shipping production smart contracts and the infrastructure around them. Architected and deployedSolidity contract suites on Polygon and Fantom for a tokenized-asset platform now serving 10,000+ users, owned an open-source static analyzer for Algorand smart contracts built for the Algorand Foundation community, and ran node and API infrastructure in Go and Python for decentralized compute networks. Currently building protocol infrastructure at CoopHive. Regional hackathon winner in blockchain and DeFi. Open to remote contract and part-time engagements.
Experience: 6 years
Yearly salary: $90,000
Hourly rate: $45
Nationality: 🇦🇷 Argentina
Residency: 🇦🇷 Argentina
Experience
Blockchain Developer
Coinfabrik 2024 - 2026
• Owned the architecture and development of an open-source static analyzer for Algorand smart contracts written in TEAL, delivered for the Algorand Foundation developer community. • Built the analyzer in TypeScript, Python and C++ to detect vulnerability patterns and unsafe opcode sequences before contract deployment. • Engineered a blockchain protocol simulator in G
Blockchain Developer
CoopHive 2022 - 2024
• Build and operate nodes for a decentralized compute marketplace, hardening job scheduling and on-chain settlement paths and cutting node downtime. • Develop and maintain scalable backend services and REST APIs in Python and Go, wiring off-chain services to on-chain protocols through JSON-RPC and event indexing. • Implement secure user and payment workflows across the protocol, applying input validation, access control and key-handling best practices.
Blockchain Engineer
Panxora 2019 - 2022
• Architected and deployed the Solidity contract suite for IMERS LAND, a virtual-reality platform for trading tokenized financial assets, live on Polygon and Fantom and now serving 10,000+ players. • Built the tokenization and in-game user APIs in Python and Go, bridging game state with on-chain balances and transfers. • Deployed and maintained Geth nodes for company infrastructure, removing third-party RPC dependency and cutting recurring infrastructure cost.
Skills
backend
blockchain-engineer
decentralize
full-time
golang
python
rust
solidity
system-engineer
typescript
english
spanish