Nikola Polishchuk Email & Phone Number

Brumunddal, Innlandet, NO

Brumunddal, Innlandet, Norway

Oslo, Norway

Brumunddal, Hedmark, Norway

• Lead development of the Zigma360 software stack (SaaS, Azure cloud, Android, IOS) and contributed to many different areas of the software.Key achievements (in chronological order):
• Designed and implemented Backup System (databases and files) for long-term storage with an admin panel.
• Lead the design and implementation of bookkeeping subsystems (invoicing, payments, reconciliation, WIP/ inventory accounting).
• Implemented Plan Stock Production and Plan Purchase To Stock system which collects and analyses all active sales and production projects and makes proposals for production or purchasing respectively for a specific date.
• Built an infrastructure for direct payment processing (Nets, Telepay, ISO 20022), later enhanced to support Pre-approved payment files (BankId for Payment Initiator identification and ASiC container to package payment.
• Developed e-invoicing and EDI (electronic data interchange) infrastructure meeting the requirements of the PEPPOL standard.

Kyiv

• Joined the company at an early stage of development of Zigma360 product (a complex ERP system) and led software engineering efforts in most critical components:
• Designed and implemented Multi-Tenant Architecture based on database separation (each client has its own database). It gives freedom to clients to have their own database settings regarding speed and reliability.
• Implemented from scratch Email Synchronization Service to send / receive emails.
• Designed and implemented Assembly Framework - framework to describe various stages of assembling a product, with ability to customize assemblies with built -in C# scripting. This opens up extensive opportunities for.
• Developed Document Management Framework to manage various documents which handle relationships between processes, inventory, accounting, and other subsystems.
• Technologies used: Microsoft Azure cloud platform,.Net Framework 4.0, WCF, Remoting, NHibernate, WinForms GUI, DevExpress components.

• Designed and developed OCR Engine with Machine Learning using LeNet-5 Convolutional Neural Networks, a finite-state transducer (FST), image processing.
• Implemented highly robust web service to expose the OCR recognition engine able to cope with high load of client requests.
• Gained good understanding of Neural Networks and other AI technologies, raised low-level networking skills.

Kyiv

• Took part in development of a phone- and online-based survey system (ASP.NET, PostgreSQL). The introduction of the system has significantly reduced the company's costs by reducing the use of paper questionnaires and.
• Implemented various UI tools and data analysis tools for the Analytical Department and Department of Field Research.