Joseph O.

Joseph O.

Oregon, United States of America
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About Me

I am a seasoned and well-rounded Solutions Expert with 18+ years of industry know-how in business and system analysis, application design and development of enterprise solutions for large institutions. I am a Hedera Hashgraph and Ethereum Smart Contract developer with mastery in the use of BitGo API for digital asset custody and Solidity (ERC20, ERC721, ERC1155), Truffle, React, React Native, NodeJS, and web3 API, Metamask, Coinbase, Enjin wallets for desktop and mobile app development.

Frontend

Backend

Database

DevOps

Workflow

Other

Work history

UpStack
UpStack
Senior Software Developer
2019 - Present (6 years)
Remote
  • Creating and developing innovative software solutions for clients across a broad range of industries.

Xpressbet
Xpressbet
Senior MySQL Administrator
2018 - 2019 (1 year)
Beaverton, OR, United States
  • Provided technical guidance for all upgrades of MariaDB from version 5.5 to 10.1 and 10.2; including Galera clusters, multi-master and master-slave database configurations within Xpressbet's Dev, QA and production environments.

  • Successfully improved Xpressbet's cluster control database management software; configuring failover to multi-datacenters, point-in-time recovery and disaster recovery procedures.

  • Developed the PHP scripts for monitoring, partitioning, and various integration processes with the databases.

Qupon
Qupon
CEO/Founder
2017 - Present (8 years)
Portland, OR, United States
  • Regularly work as a lead developer for Solidity smart contracts and mobile development projects for Qupon.

  • Efficiently wrote the original white paper and patent design for Qupon's pending patent for its coupon invention.

  • Provide technical direction and expertise for the day-to-day management and activities of Qupon Corp.

Portland State University
Portland State University
ERP/BIS Infrastructure Manager
2005 - 2015 (10 years)
Portland, United States
  • Efficiently oversaw, managed and administered Oracle infrastructure solutions for the university's ERP and BI platforms and systems.

  • Managed 100s of terabytes of data on the system with solutions for backups, recovery and transport in a multi-site environment for the client.

  • Architected and built-out multi-datacenter redundancy solutions on the platforms with hot, warm and cold site configurations.

Doncaster Medical Technologies
Senior Programmer/Analyst
1999 - 2005 (6 years)
Portland, OR, United States
  • Provided technical expertise for the administration of Oracle/SQL Server database and associated ERPs and other enterprise applications for the client.

  • Created and maintained custom Visual Basic applications on the client's systems/databases.

  • Developed reports on solutions within the company using Crystal Reports and Microsoft Access.

Showcase

Full Stack Developer - Quopon Corp
Full Stack Developer - Quopon Corp
  • Quopon is a global eCommerce marketplace for digital coupon advertising.

  • It leverages blockchain and smart contracts to provide a low-cost platform for digital asset discounts.

  • The project involves Solidity smart contract development, mobile development, and patent design.

Full Stack Developer - Etherium Gaming App
Full Stack Developer - Etherium Gaming App
  • Developed a Mario Brothers web game using Phaser, ERC20, and ERC1155 tokens.

  • Players can purchase in-game items like super jump and super speed using smart contracts.

  • Metamask/Metamask Mobile wallet is required for gameplay.

Education

Education
BSc. Computer Science
Southern Oregon University
1994 - 1999 (5 years)
Education
MySQL Certified Database Administrator
SQLSoft
2007
Education
Microsoft Certified Professional
SQLSoft
2004
Education
Oracle Certified Database Administrator
Quilogy
2002