Decentralized trading platform
Airdrop aggregator and decentralized trading platform that lets you trade Ether and Ethereum-based tokens directly with other users
Techstack: React, Solidity, Python, PostgreSQL, nCMS
Embedeable NoSQL JSON database engine
Embeddable (in-process) database engine designed for fast quetyng collections of JSON documents and other persisting data. Implemented as a C library based on TokyoCabinet key-value storage engine. Design was inspired by MongoDB and follows the same philosophy, especially for the query language. Bindings avaliable for nodejs, Python, .Net (C#), Ruby, Lua, Java languages.
C11 key/value database engine
IOWOW - The C11 persistent key/value storage based on skip list data structure
Techstack: C11, CMake
Einstein puzzle game
Use your brain to discover tiles. Based on the famous puzzle game contains nothing extra, pure logic - only symbols and rules. One wrong move and you fail, get smart and solve the puzzle.
Techstack: React Native, Android
Scalable content management system
Full featured CMS with rich multimedia capabilities for large user group. Used by highly loaded http://nsu.ru university website and by a few commercial projects.
Techstack: Java, Google Guice, Apache Solr, QooXDoo, IBM DB2, PostgreSQL, MyBatis
UIS - The ERP and CRM system for universities
UIS is a collection of projects used a few universities in Russia. UIS includes corporate portal and SSO system. Developed since 2006, over 25 man-years of labor.
Techstack: Full stack of JavaEE technologies, IBM DB2, customized build of Mozilla Firefox browser running XUL-based UI, OAuth2, LDAP, QooXDoo, MongoDB
Network management, billing and payment system for ISP
Network management, billing and payment system for ISP.
Techstack: Full stack of JavaEE technologies, Hibernate Events, IBM DB2, SNMP (configuring Cisco/Allied Telesis switches and routers), NAT, Traffic Shapling, Web Service (REST/SOAP), 3D Secure, RADIUS, DHCP, PHP, PostgreSQL, URL filtering, Python, EJDB, Netflow