Programmer portfolio

Sergey Kotkovskiy

Online platforms

• Half off Deals. Ecommerce platform which was widely regarded as the best marketplace in the radio station advertisement market for many years.
• Neofill Auctions. Full-featured online auction platform providing unique capabilities to multiple customers, including vendors and buyers.

Websites

• Integral System Development Software Development for System Integrity.
• Church Map of America US nationwide map of all churches and religious organizations.

Neofill sites

• Neofill.com Formed portal of Neofill.
• Neofill Dining Restaurant directory

Open Source programs

• Media Library Arxivarius
• Magnetic field visualizer
• Golden Ratio Phase Transition