Eugene P., Web & Blockchain Engineer / Solution Architect

Blockchain and Cryptography (5.5 yr.), Back-End Web (13.5 yr.)

Summary

- Software engineer with 10+ years of experience, specializing in Web and Blockchain technologies;
- Expertise in Solidity for designing and deploying smart contracts;
- Experienced in using Hardhat and Truffle for smart contract development and testing;
- Deep abilities in Ethereum ecosystems and Solidity-based architectures;
- Skilled in Ether.js and Web3.js for building dApps;
- Proficient in designing complex systems, including yield farming and DeFi protocols;
- Strong background in full-stack development;
- Skilled in Node.js, Express.js, PHP, Java, and Kotlin for backend development;
- Experienced in front-end development with Vue.js and EJS JavaScript frameworks;
- Proven experience leading projects from concept to deployment across the entire SDLC;
- Skilled in mentoring remote teams and collaborating effectively across functions;
- Experienced in solution architecture, designing scalable systems, and ensuring smooth integration across platforms.

Work Experience

Lead Blockchain Engineer, NDA

Duration: 10.2020 - Ongoing

Summary: Software development outsourcing provider with 12+ years of experience and numerous cases in the DeFi and Fintech markets.

Responsibilities:

  • Developed and implemented architecture on several projects. (Examples: Vesting, Yield Farming, NFT access cards);
  • Solidity developers mentor;
  • Help backend/frontend developers to work with blockchain services;
  • Solidity contract auditor.

Fullstack Developer, Tecsvit

Duration: 07.2009 - 10.2020

Summary: Tecsvit - Professional Web and Mobile Development

Responsibilities:

  • Backend Developer (PHP, Yii, Node.js, MySQL);
  • Front End Developer (Vue.js, EJS, Smarty, native HTML/js/CSS);
  • Blockchain Specialist (BTC, ETH);
  • Java Spring Developer, Android (Java and Kotlin).

Blockchain Specialization, Nucleus Vision

Duration: 10.2017 - 04.2019

Summary: Nucleus is creating a full-stack solution to capture dark invisible data, through its proprietary sensor technology.

Responsibilities:

  • Ethereum smart contract development;
  • Initial Coin Offering (ICO).

Junior Developer, IOIX

Duration: 10.2017 - 04.2019

Summary: IOIX, Inc. is one of the leading online marketing companies in Japan.

Responsibilities:

  • Front-end developer (CSS, JavaScript, HTML);
  • Back-end developer (PHP, MySQL);
  • Tester.

Projects

Solution Architect, NDA

Duration: 2021 - Ongoing

Summary: Developed a Yield Farming protocol allowing investment and re-investment with a single transaction across different networks, including Blockchain and Bridge support.

Responsibilities: Architecture and Contracts implementation using Solidity, expanding to different networks, and ensuring blockchain and bridge support.

Technologies: Solidity, Blockchain.

Lead Blockchain Engineer, Multiple DeFi and Fintech Projects

Duration: 10.2020 - Ongoing

Summary: Contributed to the creation and implementation of architecture on several DeFi and Fintech market projects, including Vesting and Yield Farming protocols and NFT access cards.

Responsibilities: Developing and implementing architecture, mentoring Solidity developers, assisting backend/frontend developers with blockchain services, and auditing Solidity contracts.

Technologies: Solidity, Blockchain, DeFi, NFT

Blockchain Developer, Prodoge

Duration: 12.2020 - 01.2022

Summary: Worked on a crypto wallet for business that supports various cryptocurrencies and integrates with payment services.

Responsibilities: Developed and maintained a microservice for each supported coin with a fully synced node, set up and adjusted currency conversion services, built API connections, and architected the database.

Technologies: Express.js, MySQL, Crypto Cores, Web3, Geth.

Fullstack Developer, StarNews

Duration: 2019

Responsibilities:

  • Build RESTful API;
  • Implemented all required APIs to communicate with clients;
  • Support admin.

Technologies: Java, JHipster, MySQL, Maven build tool.

Fullstack Developer, Intri

Duration: 10.2018 - 10.2019

Responsibilities:

  • Tests, Bug fixes;
  • Minor features implement.

Technologies: Yii, MySQL.

Blockchain Developer, CPROP

Duration: 2018

Summary: Creating blockchain-enabled data applications in the real estate and fintech sectors to capture new revenue opportunities, address pain points, and reduce risk.

Responsibilities:

  • Ethereum smart contract development;
  • Initial Coin Offering (ICO);
  • Script to pay bonuses to investors depending on their share.

Fullstack Developer, ImageProtect

Duration: 2012 - 2018

Summary: Build & support the entire project from scratch.

ImageProtect is a revolutionary technology platform for image rights management and protection, which seamlessly registers, manages, and monetizes digital content for the creative community.

Responsibilities:

  • Implemented image processing engine, web crawler;
  • Setup and adjust image compare software;
  • Database architect. Help with data analytics, statistics;
  • Split project to several microservices;
  • Fullstack UI, Admin.

Technologies: PHP, MySQL, Smarty, Jquery

Education

Ukrainian State Chemical Technology University, GPA 4.0

Master's degree

2003 - 2008