Eugene K.
Solidity & Backend Developer
Experience
Senior Blockchain/Smart Contract Developer
Tangram Canada Inc.
- Development blockchain and smart contract projects for Ethereum, Polygon, Avalanche, BNB Chain and other.
Tech Stack: Blockchain, Smart Contracts, Solidity, TypeScript, EVM, CI/CD, ReactJS, Redux, Web3.js
- Development high-load applications based on microservices and queueing architecture. Leading of the design and technical strategy for complex systems. AI models training and inference via browser.
Tech Stack: TypeScript, Fastify, RabbitMQ, Redis, PostgreSQL, Docker, Linux, Microservices, Web3 RPC API, Python
Smart Contract Developer + Front-end Developer
Upside & Republic Crypto
Developed and deployed smart contracts for Ethereum, Polygon, Avalanche, BNB Chain and other. Collaborated with security auditors like Certik and Quantstamp.
Airdrops, Swaps, RestricedTokens (SEC rules), UniswapV2-3, Bridges, Oracles, NFTs, Dividends, MerkleTree. Participation in the development of the frontend based on the Kanban principle.
Tech Stack: Agile, Scrum, Kanban, Hardhat, Solidity, TypeScript, EVM, CI/CD, ReactJS, Redux, Web3.js
Lead TypeScript Engineer
EPAM and Fortune-500 Corporations
Lead engineer of Fortune 500 companies in the finance and insurance sectors. Mobile application development – frontend+backend. Analyzing customer history using third party services, calculating statistics and forecasting.
Tech Stack: Agile, Scrum, TypeScript, AWS (Lambda, EC2, DynamoDB, S3, SNS, SQS), NextJS, Jira, Bitbucket, Miro, ReactJS, Redux
Lead Backend Developer & Team Lead
SeaRates.com and DPWorld
Developed Load Calculator 2.0 for SeaRates, including 3D visualizations and complex algorithms. Led a team of developers and designed large-scale marketplace systems on Laravel 8 and PHP 8.
Tech Stack: Agile, TypeScript, JavaScript, ExpressJS, Lot of Math, 3d calculations, ThreeJS, ReactJS, GraphQL, Redux, PHP 8, Laravel 8
Fullstack Developer: Front-end, Back-end, Solidity
Startups
Worked with international teams on cryptocurrency and trading platforms. Developed blockchain applications and multilingual systems.
Tech Stack: PHP, TypeScript, VanillaJS, NodeJS, Web3, EVM, Solidity, ReactJS, PostgresQL, Mongo, Beanstalkd
Lead PHP Developer & Team Lead
DIV Studio
Led a team of 5-7 developers to build over 100 websites and services, including e-commerce platforms and search engines optimization.
Tech Stack: JavaScript, PHP, Wordpress, Bitrix, PHP Phalcon, Laravel, Zend Framework, MySQL, PostgreSQL, etc
Fullstack / PHP Developer
RBN
Developed music and video services using CodeIgniter and Flash. Worked on various parsers and user interfaces.
Tech Stack: JavaScript, PHP, CodeIgniter, Memcached, MySQL, PostgreSQL, etc
Fullstack Developer
Web Studio / Freelancer
Built custom CRM systems for construction companies. Developed music services for Warner Brothers partners.
Tech Stack: JavaScript, PHP, Memcached, MySQL
Summary
Year of birth: 1973.
Experience in web development and Linux administration - from the 90s to the present. Sometimes it alternated, but never stopped.
For the last years I had been developing projects such PHP Framework as Laravel, Yii2 and I have very good experience with E-commerce platform Prestashop (E-commerce platform for launching online stores, in terms of complexity and functionality, something between OpenCart and Magento) as well as executed contracts for bug fixes in CMS Wordpress and Opencart.
In addition to extensive experience with PHP I have experience with Python/Django.
Languages
Education
Odessa National University
Master's Degree · Informational Technologies · Odesa, Ukraine
Odessa National University
Bachelor's Degree · Informational Technologies · Odesa, Ukraine
Certifications & licenses
Bachelor of Science in Computer Science
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