Alexander Kolesnikov

Developed a Web3 Play-to-Earn strategy game on WAX blockchain and Near Protocol. Skills: Product Development, Blockchain, Tokens, NFTs, GameDev, GameFi, Ruby on Rails, JavaScript, jQuery, Redis, MySQL, IPFS, CI, Git.

Developed AML-platform APIs, KYC-platform, and smart contracts. Skills: PHP7, PHP8, Laravel, CodeIgniter, JavaScript, Angular, Redis, NodeJs, Express, MySQL, PostgreSql, CouchDB, MaprDB, AWS, Git, CI, DeFi, Jenkins, Jira.

leclerc.com.pl - pioneer among online Food Delivery. For 18 years the e-Commerce Engine of my authorship was developed and supported (by me and several devs for all use). Software delivered millions of orders and served as a place of work for hundreds of employees. Supported by me from the first to the last day. Hundreds of modules and components have been developed. Migrated php4/php5/php7. Not a single crash or hacking, only 2 hours offline for 18 years online!

Developed a platform for automation of landing pages management, high-load systems, and REST API development. Managed a team of seven developers. Skills: PHP7, Symfony, Laravel, JavaScript, MySQL, PostgreSQL, GitLab, Jenkins, Jira.

Empik.pl - One of the top 5 largest e-commerce in Poland. Developed and supported the OnlineTravelAgency "EmpikTravel." Skills: PHP5, PHP7, Zend, Symfony, JavaScript, MySQL, PostgreSql, SOAP, XML, REST API, Git, Jenkins, Jira.