Distributed backend to handle both signalling and media traffic from mobile clients and petcube cameras developed in the C language, NDK and iOS client libraries to work with the backend. Custom shortest media path detection and NAT traversal technics. Native IPv6 support.

UM Labs SIP Security Controllers, SIP to Lync gateway - http://www.um-labs.com/SIP over TLS/TCP/UDP; media over SRTP, ZRTP; SNMP, Lua, RADIUS, RTMP, Clustering, pgsql, sqlite3, HSM support

Distributed backend infrastructure developed in the C language; two-way SIP/SRTP <-> GSM voice line gateway (NDK Android) for mobile phones (Snapdragon and MediaTek based); http://avox.mobi

http://cad.kpi.ua/en

UM Labs SIP Security Controllers - http://www.um-labs.com/SIP, RTP, SRTP, ZRTP, Linux, C, PHP, Sqlite, PostgreSQL, Lua

Prototyping P2P software including: implementation of P2P overlay network, voice and video streaming mechanisms over it, implementation of overlay services.

Implementation of multi-physics static and transient analyses (heat, stress), tcl scripting interface, export of data model into dxf format; environment: VC++, win32

Complete design and implementation of GDSII C/Tcl library for Linux and win32 platforms. Complete design and implementation of a generic Tcl UI library embeddable into X-windows based applications for Linux using Tcl/Tk and C. Sub-schematic extraction and visualization. Proprietary schematics format java-based viewer.

http://ulrmc.org.ua

Remote catalogue of satellite images for Ukrainian National Air-Space Agency. Software engineer in the project to create software/hardware solution for registration and processing of telemetrical satellite data, remote ordering of satellite images. Main responsibilities include database engineering, administration of Informix Universal Server 9.12, development of datatabase interaction layer in Java for Sparc Solaris platform.IS to collect data and control telemetrical devices (controllers, OBCs).Senior software engineer in the project to create distributes software/hardware complex to control set of remote devices. Duties: database engineering, system design and implementation in the following environment JDK 1.2, Red Hat 6.2, FreeBSD 3.2/4, PicoBSD, Informix ODS 7.30, JORB 3.1.3, Oracle 8.1.5, CORBAImplementation of full-text indexing for tasks in E-document repository system.

Software engineer at "Decision Support System for Ministry of Emergencies of Ukraine" and "Data Warehouse for Ministry of Emergencies of Ukraine " projects. Design and implementation of OLAP server.