Vasyl Diakonov Email & Phone Number

Odessa Region, Ukraine

Automotive C++ projects on navigation, NDS database POI searches, compliant code generation.

Odesa, Ukraine

VPN Unlimited - cross-platform privacy and protection VPN solution. I’ve started as a personresponsible for overall architecture design, implementation of RADIUS-connected parts, OpenVPNand StrongSWAN configuration, VPN nodes maintenance. I worked in collaboration with PHPdevelopers on users authentication, password restoration policies, VPN certificates and profilesgeneration.As the project grew I was responsible for interviewing and supervising system administrators,backend PHP and C++ developers. I’ve been looking for hosting companies in geographically newlocations and negotiated with them. I investigated the ways of improving the service byimplementing new or improving existing features, studied competitors’ apps and their behaviour.Subprojects:- In-house RADIUS server, written in Erlang with built-in data cache- In-house VPN authentication, authorization, accounting server written in C++- C++ library and server backend to bypass network restrictions in ChinaTech: C++, PHP, Erlang, bash, PostgreSQL, Redis, Riak, ZeroMQ, RADIUS, OpenVPN,StrongSWAN, OpenSSL, libsodium

Odesa, Ukraine

Private Browser - iOS and Android Web-browser with built-in data on-the-fly encryption and choiceof multiple locations which does not require VPN connection and does not influence the wholedevice. I’ve created a library for iOS and Android apps that multiplexed HTTP connections into SSHchannels.Tech: C++, boost::asio, libssh2Photo Transfer WiFi - iOS/macOS app for fast file exchange between devices with neighbourdevices discovery, remote photo gallery. I was responsible for networking part design andimplementation, overall app optimizations. Later I've designed and implemented new cross-platform discovery protocol instead of Bonjour (mDNS). I took role of product manager with a team of 3developers and 2 UI/UX designers for versions 11 and 12 of the app.Tech: Objective C, C++, NetServices, Bonjour, boost::asio, Berkeley sockets, MsgPack, GCD, PhotoKit, embedded ObjC and C++ HTTP-serversPasswarden (discontinued) - iOS/macOS password manager with online data synchronization. Iwas responsible for data encryption and protection policies, encryption code, real time notificationscode, backend architecture. I also took part in redesign and optimization of PHP services for ApplePush Notifications.Tech: C++, PHP, Objective C, boost::asio, MySQL/Percona, Redis, OpenSSLKeepSolid Files (unreleased) - secure file storage, sharing and collaboration service. I wasresponsible for the overall service architecture: client-server data synchronization, encryption, datastorage. I’ve implemented the whole API backend, real time notification service and networkingcode for client applications.Tech: C++, boost::asio, PostgreSQL, Protocol Buffers, ZeroMQ, OpenSSL, Amazon S3, nginx +fcgi, AES, RSA

Odesa, Ukraine

ConceptDraw Pro - cross-platform MS Visio compatible application for creating vector drawingsand diagrams. I was responsible for implementing new Windows 7 features (taskbar previews,improved filetypes registration), general rendering optimizations, performance and memory usageprofiling, bugfix.Tech: C++, Visual Studio, MFC, WinAPI, boost, Objective C, XCode, cvs, svn.

Odesa, Ukraine

I’ve been teaching groups and individual students. I’ve created comprehensive educational plan onadministration of GNU/Linux servers with main stress on network services.Tech: IP stack and iptables firewall configuration, routing, DNS, DHCP, HTTP(s) and FTP,SMTP/IMAP servers, OpenVPN

Master'S Degree, Computer Engineering

Education record