About me
12+ years of custom software development
using modern technologies
thousands of users use applications developed by me or with my participation
from $35 per hour.
Services
You need to have just an idea (and maybe some money, yeah...). Everything other I can implement:
create task specification;
implement application;
deploy to the "production" environment;
provide testing and debugging;
polish and develop new features;
support it.
Your project is big? Well, I can build a team.
Portfolio
Software applications developed just by me alone or with my participation
Actuarial E-Learning System
Remote learning system for actuarial science.
Cell-phone provider's software
Fixes and new features development of NVision's applications.
Novusdata software
Applications for gas network of Czech Republic
Security system of Securon
Application which receives events from alarm systems was migrated to latest technologies with full data export.
Feedback service
System accepts feedback from service recipient about quality of service. Then it can be analyzed and improved.
Tariff Analyzer
Imports information about cell-phone customers from sources with different structure and generates reports by needed filters.
Hospital salary estimator
Hospital planned to move to the new model with payment per work hour versus fixed salary.
Karting Club's application
Application serves all needs of karting club, from lap time receiving up to cash operations.
EterioInfo CMS
Simple platform for creating structured sites by unprofessional users
Electricity consumption calculator
Application calculates and redistribute loses within summer community's electric network.
Dofinium Learning management system
Application for educational process management
Platform for Internet shops
Warehouse and online-shopping system
Chat application
Simple analog of ICQ (Viber, Skype) messenger.
Dating network
Early social network
Simple content management system
Allows to create pages and add content there.
Contact me
Serhii Havrylenko
Full stack developer (C#, MS SQL, ASP.NET MVC, WebApi, Entity Framework, LINQ, jQuery)
+1 (202) 93 03801