**Chris Groeneveldt**
Senior Software Engineer
New York, United States
cgvelt1014@gmail.com

### SUMMARY
- 13+ years of experience as a full-stack developer in dynamic, deadline-driven environments
- Organized, collaborative, and highly skilled in blockchain, smart contracts, and decentralized applications
- Self-motivated professional with expertise in Rust, Solidity, React, TypeScript, and Node.js
- Experience as an engineer, full-stack developer, and project manager

### PROFESSIONAL EXPERIENCE

**Founding Engineer & CTO (Rust-Substrate DApp)**
Earth Shepherds (Full-Time, Remote) | Jul '23 – Present
- Developed Rust-Substrate-based blockchain node, customizing Polkadot for user role and wallet management
- Built SHEAR token smart contract using Ink! framework (ERC20-compatible)
- Created blockchain explorer with GraphQL and Flask
- Integrated marketplace logic (product creation, rewards, admin approval) with 3 user roles

**Solana Smart Contract Engineer (Rust-Anchor DAO & NFT)**
Synesis One (Contract, Remote) | Dec '22 – Jun '23
- Designed data yield farming DApp and NFT marketplace from scratch
- Developed staking/reward logic for AI training data generation
- Optimized Solana-Anchor smart contracts for gas efficiency

**Protocol Engineer (Rust-Substrate Protocol)**
Parami Foundation (Full-Time, Remote) | May '20 – Dec '22
- Built decentralized identity protocol using ZK-proofs and W3C standards
- Implemented SSI system and light wallet integrations

**Lead Developer (Solidity DeFi & NFT)**
Tesora International (Hybrid) | Mar '18 – Apr '20
- Developed IDO smart contracts and cross-chain token bridges (Ethereum ↔ Avalanche)
- Integrated Polygon zkEVM for Layer-2 scaling

**Smart Contract Engineer & Auditor**
OpenZeppelin (Contract, Remote) | Feb '17 – Feb '18
- Contributed to OpenZeppelin SDK and ERC20/ERC721 standards
- Audited Fei Protocol, Notional Finance, and Set Protocol

### EDUCATION
**Bachelor of Computer Science**
State University of New York, Empire State College

### TECHNICAL SKILLS
**Blockchain:** Bitcoin, Ethereum, Solana, Smart Contracts, Web3, DeFi, NFT
**Languages:** Rust, Solidity, Python, TypeScript, Go
**Frameworks:** React, Node.js, GraphQL, Substrate, Anchor
**Tools:** Hardhat, Truffle, IPFS, AWS, Kubernetes

*Portfolio & GitHub links available upon request*

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