Phuc Ta

Senior Blockchain Developer

πŸ“ HaNoi, VietNam

Software engineer with 7 years of experience, specializing in blockchain development for the past 5 years. Proven expertise in smart contract development, blockchain architecture, and backend services across multiple projects on EVM-based chains and Solana, delivering secure and scalable decentralized solutions.

🌟 Career Highlights

  • βœ“ 7 years of software development experience with a focus on high-performance and security-critical systems across blockchain and enterprise applications
  • βœ“ 3+ years of technical leadership, managing cross-functional teams of 3-6 developers to deliver production-grade blockchain solutions
  • βœ“ 5+ years of architecting and deploying smart contract systems on EVM-based chains and Solana using Solidity and Rust
  • βœ“ 4+ years as a backend engineer specializing in blockchain indexers and integration services, with deep expertise in TypeScript and distributed systems

πŸ› οΈ Tech Stack

Blockchain

EVM-based chain ,Solana ,Bitcoin ,Hardhat ,Foundry ,Anchor

Languages

JavaScript ,TypeScript ,Solidity ,Rust ,Python

Backend

Node.js ,NestJs ,Actix ,Flask ,Django ,Tauri

️Databases

PostgreSQL ,Oracle ,MongoDB ,Redis ,Spark

πŸ’Ό Work Experience

Caliber Venture

Senior Blockchain Engineer

πŸ“ Ha Noi, Vietnam; Remote β€’ πŸ“… January 2025 - Present

Developing and maintaining non-custodial Bitcoin solutions for decentralized swapping and lending.

  • β€’ Built cross-chain trading platform connecting Bitcoin with Ethereum and Solana, achieving $5M+ trading volume
  • β€’ Integrated Morpho protocol to create non-custodial lending market for USDC-collateralized BTC loans
  • β€’ Integrated Across bridge protocol to enable seamless asset transfers from Bitcoin to BSC, Base, and Polygon
Technologies: Anchor, Foundry, Hardhat, Solidity, Rust, TypeScript

Remitano

Solana Blockchain Engineer

πŸ“ Remote β€’ πŸ“… May 2024 - January 2025

Developed secure lending platforms on Renec and Solana blockchains with backend infrastructure support.

  • β€’ Developed and maintained RenecLend smart contracts, achieving $5M total value locked across Solana and Renec
  • β€’ Engineered NFT-based voucher management system for creating, distributing, and revoking digital vouchers on the lending platform
  • β€’ Built backend infrastructure for Solana integration with HTTP endpoints for smart contract interaction and data retrieval
  • β€’ Built a high-performance Jupiter trading bot for automated stop-limit order execution
Technologies: Anchor, Rust, Node.js, PostgreSQL, TypeScript, Svelte

Sotatek

Lead Blockchain Engineer

πŸ“ Ha Noi, Vietnam β€’ πŸ“… June 2021 - April 2024

Led blockchain development for DeFi and NFT projects, managing teams and architecting scalable solutions.

  • β€’ Developed gas-optimized smart contracts for Buni (top 10 BSC project), including NFT minting, mystery boxes, and battle logic, with on-chain/off-chain bridge infrastructure
  • β€’ Led team in building NFT marketplace using Diamond pattern to bypass contract size limits, implementing signature-based orders to minimize transaction fees
  • β€’ Built scalable blockchain indexer for Metaverse Starter launchpad with automated user ranking system based on staking history
  • β€’ Redesigned Wombat Exchange protocol for Solana compatibility, transforming stable swap AMM architecture
  • β€’ Engineered web-based ERP system for manufacturing with real-time order management and worker tracking
Technologies: Solidity, Rust, TypeScript, Node.js, Actix-web, NestJs, Hardhat, Anchor, Foundry

Viettel Digital Service

Data Engineer

πŸ“ Ha Noi, Vietnam β€’ πŸ“… December 2019 - May 2021

Optimized enterprise data architecture and ETL workflows for large-scale analytics.

  • β€’ Optimized ETL workflows and data architecture, improving Appsflyer reporting performance 6x (from 60 to 10 minutes)
  • β€’ Built data pipeline architecture with efficient ETL processes for enterprise-level business analytics
  • β€’ Designed and implemented department-wide messaging system with automated notifications across SMS, email, and Telegram channels
Technologies: Python, Scala, Oracle, PostgreSQL, Spark, Hadoop

πŸŽ“ Education

People's Security Academy

πŸ“ Hanoi, Vietnam β€’ πŸ“… September 2015 - August 2019

Bachelor's degree in Information Technology - Graduated with Honors

πŸ† Certificates and Awards

  • β€’ Viettel Money Award: First Place at Viettel Money's Coding Competition. February 2021.
  • β€’ Vietnam National Olympiad for High School Students: Third Prize. 2013, 2014.
  • β€’ Vietnam Regional Contest ACM: Third Prize. 2018, 2019.
  • β€’ TOEIC Certificate (IIG Vietnam): Score: 700/990. 2017.