Alexander Kolesnikov

Angestellt, Senior PHP Developer, INVIA

Über mich

Experienced Senior Backend Developer with over 10 years of experience in various areas including e-Commerce, CMS, ERP, OTA, AML, KYC, DeFi, GameFi, Blockchain, Crypto, and WEB3. Successfully participated in numerous small, medium, and large projects with a strong focus on product development. I'm looking for a company who expected skilled backend developer. If you are interested to hear more about me, send me a message and let's have a chat :)

Fähigkeiten und Kenntnisse

Project Management
PHP
Laravel
MySQL
PostgreSQL
MongoDB
JavaScript
Node.js
Next
EC6
Blockchain
Web3
Rust
Ruby
Ruby on Rails
Symfony
CakePHP
YII
Backend
Git
CI/CD
SQL
Product Development
Jira
Team work
mvp

Werdegang

Berufserfahrung von Alexander Kolesnikov

  • Bis heute 8 Monate, seit Okt. 2023

    Senior PHP Developer

    INVIA

  • 1 Jahr und 10 Monate, Aug. 2021 - Mai 2023

    Senior Backend Developer, Blockchain Developer

    GameFi2.0 LAB

    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.

  • 3 Jahre und 6 Monate, Okt. 2017 - März 2021

    Senior Backend Developer

    Coinfirm LLC

    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.

  • 17 Jahre und 10 Monate, Aug. 2001 - Mai 2019

    Web developer, Product Developer, co-founder

    E.Leclerc

    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!

  • 9 Monate, Sep. 2016 - Mai 2017

    Senior PHP developer

    ZEO Alliance

    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.

  • 1 Jahr und 5 Monate, Apr. 2015 - Aug. 2016

    Senior PHP developer

    EMPiK Sp. z o.o.

    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.

Ausbildung von Alexander Kolesnikov

  • 5 Jahre und 2 Monate, Sep. 1996 - Okt. 2001

    Computer Science

    Lviv Politechnic Institute

Sprachen

  • Englisch

    Gut

  • Polnisch

    Fließend

  • Russisch

    Muttersprache

  • Ukrainian

    Muttersprache

  • Deutsch

    Grundlagen

Interessen

Blockchain
Machine Learning
Start-ups
AI

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