Position: Middle front-end developer \ Full-stack (Python, Node.js)
Category: JavaScript
English level: upper
Years of experience: 5


SUMMARY
I have 4.5 years of experience in software development of commercial projects. My main responsibilities were requirements analysis, writing programming code(including the basic architecture of the project), fixing bugs and investigation of new technologies to implement tasks that go beyond the standard requirements (for example, collecting token data using opengraph and other resources with only the token address, or processing photos using software code to make them look like bills). I am experienced with different databases (MySQL, PostgreSQL, MongoDB), hi-load systems with scaling and caching, have a good understanding of OOP, REST, MVC. Capable of working in a team environment or working independently. I am continually seeking new challenges and a desire to expand my knowledge and experience.

SKILLS
Programming Languages/ Libraries: JavaScript, React.js, Next.js, Redux, Sagas, Web3.js, Ethers.js, CCXT, Node.js, IPFS Express.js Solidity,  Vue.js, Python, Django, React Native, Flask, SASS, HTML5/CSS3.
Technologies/ Databases: MySQL, PostgreSQL, MongoDB
APIs: Google, Facebook, Paypal, Stripe, ApplePay, Fondy, FireBase.
Other: DRY, SOLID, REST API, AWS, DO, Linux, Git, Figma, Photoshop

SAMPLE PROJECTS

DCAPS (tokens aggregator like CoinMarketCap)
The service, which is designed to display tokens in most of its DeFi tokens, currently works with tokens from three exchanges (uniswap, pancakeswap, sushiswap), the service displays arbitrage data on prices, as well as historical graphs, tables of changes, the ability to receive data on wallet transactions (as of your own and at the address ) of a certain token, there are also opportunities to exchange tokens using the algorithms of one of the 3 exchanges
Project Duration: 2 years.
Responsibilities:  
Creating an app architecture and DB scheme design;
Back-end and Front-end development
Porting algorithms of existing open source exchange projects to use token exchange functions
Implementation of wallet connection and premium purchases using project tokens
Implementation of news collection about tokens, aggregation of advertising banners, sponsored links and categories from Governance
Tools & Technologies:  JavaScript, React, Next.js, Web3.js, Node.js, Express.js, MongoDB, Figma, Git.

Governance (DCAPS sub system)
A service that directly cooperates with the contract in the blockchain, in which we store the data of tokens, advertising banners, categories and sponsorship links, and which go through the