Contact information

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Work experience

Blockchain Developer(Solidity)

from 06.2018 to 08.2018 (2 months)
Open Packaging Network, Киев (IT)

development Pre-Sale, ICO smart contracts, audit, smart contract review

Blockchain Developer

from 12.2017 to 08.2019 (1 year 8 months)
AXEL, Киев (Smart contract development, MVP development, back-end development)

-creating a simple blockchain prototype with ability to send tx, create key pairs
-development of CLI wallet software for
new cryptocurrency
-primarydoublespend protecting(language: nodeJS, database: leveldb)
-web Ethereum wallet
-API development
-airdropcontractdevelopmentand refactoring
-development of MVP with consensus and distributed ledger(via p2p)
-research new solutions for consensus
algorithm
-some optimization and security issues
-airdrop facility for smart contract
-server side authentication web application
-microservices development
-administration panel for file transferring platform

Back End Developer

from 12.2017 to 08.2019 (1 year 8 months)
AXEL, Киев (IT)

- REST API providing(express.js)
- microservice architecture projecting
- code refactoring
- unit tests, behavior tests, API tests
- es6 code style, providing documentation and comments
- CI practices on gitlab
- keeping MVC pattern
Tech:
nodejs, postgre, eslint, git, express, npm, orm sequelize, mocha/chai
Achievements: developing admin panel API, authentication API with session management, production ongoing

Back End Developer(NodeJs + Ethereum)

from 06.2017 to 10.2017 (4 months)
Neuroseed, Харьков (IT)

Responsibility: development consensus protocol, back end private cabinet
Examples of achievements: consensus algorithm for conclusions of opening database in write mode, building decentralized system with ability to sync with each other

Back End Developer

from 03.2017 to 07.2017 (4 months)
Wolfchange, Киев (IT)

Responsibility: design of web application architecture, back end development
Examples of achievements: creating project prototype, development cryptocurrency exchange API

CEO

from 08.2016 to 11.2016 (3 months)
Ideaschecker, Киев (IT)

Responsibility: Working with MySQL, writing bot logic
Examples of achievements: First place in 56 startup battle. It is my interview in “startup.network” https://startup.ua/news/ukrainskie-studenty-sozdali-bota.html

Education

Киевский Политехнический Институт

ИПСА, Computer Science, Киев
Unfinished higher, from 2016 to 2020 (3 years 9 months)

Language proficiencies

English — above average

Additional information

Professional experience:
Running web-applications with Node.js(ECMA Script 6) and express framework, making access level with cookies and PASSPORT library and all users had been sent JsonWebToken.
Development with socket.io, koa, web3, clusters.
Have basic knowledge HTML5, CSS, BOOTSTRAP.
Programming skills C, C++(OOP skills, pointers etc), C#, JavaScript(asynchronous approach), Solidity.
Experience in GitHub, GitLab, mercurial.
Create Command Line Interface applications(web wallet, integrated with own blockchain platform)
Experience in MVP development, desktop wallet, Ethereum web wallet, blockchain solutions, security issues(inputs/outputs, secp256k1, sha256, elliptic curves)
Participate in online Kaggle challenges, have an experience in Data Science and Machine Learning(tree decisions, linear regression, cross validation) https://www.kaggle.com/dryhaa
Have work experience with MongoDB, MySQL, SQLite(saving sessions and user’s info in database), levelDB, lowDB, postgreSQL.
Test framework: mocha, chai
Developing blockchain-project using decentralized database, unique consensus protocol using multisign and Socket.io( written in nodeJS)
Have basic knowledge in cyber security(XSS, CSRF, injections и XSRF)
Working with DigitalOcean(installing all required software at Ubuntu, CentOS, Fedora и FreBSD) and Heroku
Have an experience of development in Byteball core(user’s atestation), p2p network
Working with Ethereum platform: creating smart contracts ERC20(Solidity) with truffle(testRPC, Rinkeby, Ropsten, Ganache), remix IDE for ICO. Participating in Airdrop campaign, Pre Sale and ICO campaign.
Using cryptocurrency exchange API(open, close order, transactions) Insight.bitpay, kraken, poloniex, bittrex.