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Registration: 24.01.2025

James Ybarra

Specialization: Blockchain / Full Stack Engineer
— As a lead full-stack and blockchain developer with 7 years of development experience and 5 years focused on blockchain technology, I specialize in EVM protocols, Solana dApps and trading bots. — I have a strong background in decentralized finance, NFT platforms, and blockchain gaming.
— As a lead full-stack and blockchain developer with 7 years of development experience and 5 years focused on blockchain technology, I specialize in EVM protocols, Solana dApps and trading bots. — I have a strong background in decentralized finance, NFT platforms, and blockchain gaming.

Portfolio

Solana pump.fun sniper bot

● The Pump.Fun Sniper Bot is an advanced trading bot for the Solana blockchain, designed to execute high-speed transactions using Jito block-engine. The bot incorporates customizable filtering options and advanced transaction handling for optimal performance.

Wise Whales(web3 FE dev)

● Analyzed Orca, Serum, Raydium, Larix, Saber, Marinade, Francium, Katana, Mango, Tulip protocols and built the tool for catching whales transaction. And created NFTs with CM.

Solana pnft & corenft staking

● Developed and implemented a staking platform for Solana pNFT and MPL coreNFT, enabling users to securely stake. The project integrates advanced smart contract functionality, ensuring seamless interaction with Solana's blockchain. The platform supports decentralized asset management, providing a user-friendly command line interface for NFT staking.

Reavers

● Reavers goes beyond being just an idle game by embracing a straightforward yet compelling overarching theme. The project's vulnerabilities were comprehensively audited and addressed to ensure its robustness. Additionally, database interactions have been optimized for improved performance.

Moduluc (Smart Contract Dev)

● Developed and deployed a variety of advanced smart contracts using Rust and Anchor for NFT swap, rental, staking, and breeding functionalities. These contracts are designed to facilitate seamless and secure interactions on the Solana blockchain, providing users with decentralized, automated solutions for trading, leasing, staking, and combining NFTs.

Koromaru

● Koromaru is a play-to-earn (P2E) battle game available on the Binance Smart Chain (BSC). It features captivating 2D and 3D fighting effects developed using Unity. The game is enhanced with the Universal Fighting Engine (UFE) for an improved gaming experience.

Skills

Next.js
React
Node.js
Rust
Python
JavaScript
TypeScript
MySQL
PostgreSQL
MongoDB
EVM
Solana
Solidity
Rust
Anchor
Smart contract
Trading Bots
NFT/FT
Assembly Script

Work experience

Lead Full Stack / Blockchain Engineer
07.2023 - 12.2024 |Hive Social
Blockchain, Docker, NFT
● Developed an L2 blockchain using the OP Stack, implementing performance optimizations to enhance speed and scalability. Containerized the Sequencer, Validator, and Batcher clients with Docker, streamlining deployment and usability for end-users. ● Designed and architected a feature-rich gaming, rewards, and NFT pack platform for a major sports league, driving fan engagement. ● Implemented a rewards staking mechanism within the NFT ecosystem, encouraging user participation and retention.

Educational background

Information Technology (Bachelor’s Degree)
2016 - 2019
Niigata Computer College

Languages

EnglishAdvanced