Joseph O.

Joseph O.

Senior Software Engineer

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.

Work history

UpStack
UpStack
Senior Software Developer
2019 - Present (5 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 (7 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.

Portfolio

Full Stack Developer - Quopon Corp
Full Stack Developer - Quopon Corp

Qupon is a global eCommerce marketplace for merchants to advertise digital coupons. The platform allows merchants to advertise discounts on goods and services stored as digital assets on blockchain technology by utilizing distributed ledger and smart contract technology, which allows it to be the lowest cost provider platform in the industry with fees less than 10%. Led all Solidity smart contracts and mobile development tasks and wrote patent design for patent pending on the invention.

Full Stack Developer - Etherium Gaming App
Full Stack Developer - Etherium Gaming App

Developed a Mario Brothers based web game using Phaser, ERC20 and ERC1155 tokens to represent digital in-game assets. Players can buy in-game items such as super jump, and super speed that enhances the capabilities of the player. These assets are purchased through smart contracts. Metamask/Metamask Mobile wallet is required to play the game.

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