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Ryan Calvin C. Blockchain & Rust & Software Engineer

Ryan Calvin C.

  • Missouri, United States
  • 7 years
  • Full-time (40 hrs/week)
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I work with smart contract and core engine using Rust, Solidity, Golang, JavaScript and C++. I also have experience in IPFS, web3, meta-transaction, network-agnostic transactions. graph protocol, Coinbase, solidity, oracles, L2 bridge & scaling solutions, advanced web3, JSON RPC, smart-contract auditing(informal) & gas optimization, node management & DevOps, applied cryptography etc. I can help with anything on Solana & Ethereum side as well as on backend web2 side.

Skills and experiences

Skills and experiences


08/2021 - present

-Build VERA token on Solana using Rust, Anchor and Pyth network -Build web application for VERA implementing the DeFi functionality. -Make NFT Gaming platform which is working on Ethereum and Polygon network. -Implement the gaming logic by Solidity and use React and Ether.js for frontend.

DeFi Developer

ElephantsLab 12/2019 - 07/2021

- Blockchain programming and smart contract development using: Solidity, Truffle, OpenZeppelin, Remix, Mocha, Chai, Ganache. - Reviewed and validated back-end and front-end codes written by other team members as a lead full-stack developer. - Creating Web applications using: React, Vue 2, Web3.js, ethers.js. - Developing REST API using: Golang, Laravel, MySQL. - Working with main DeFi protocols: Uniswap (forked and developed products on V1 & V2), PancakeSwap, QuickSwap, JustSwap. - Worked with these blockchains: Ethereum, BSC, Tron, Polygon (matic).

Blockchain Developer

Cyberlands 07/2017 - 11/2019

- Applied for three patents related to blockchain efficiency and security. - Implemented Staking Liquidity Pool. - Developed a full-features backend for testing the functionality of smart contracts.

Backend Engineering Intern

Clarifai 04/2015 - 05/2017

- Created new endpoints for both customer and internal facing APIs. APIs were used to significantly improve the internal ML model’s deployment process. - Integrated company’s entire stack with AWS Marketplace and made major changes to company’s billing process to comply with AWS’s standards

Educations and Certifications

Waseda University

Computer Science 2010 - 2014

Bachelor's degree

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