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Bohdan Bats

@bohdanbats

Full Stack Developer at BookSoft who cut PostgreSQL migration time by 70% and shipped an AI-powered productivity app.

At BookSoft, I developed full-stack features for a production accounting application and built more than 20 responsive interface modules. I accelerated the migration from MS SQL Server to PostgreSQL by 70%, reducing licensing costs by about ₴150,000 per year.

I also founded Principles: Habits for Goals and was responsible for its product lifecycle, from architecture to releases. My team launched an AI-powered productivity app rated 4.95 out of 5 in app stores; integrating Azure OpenAI into key features increased user retention by 20%.

Experience

Work history, roles, and key accomplishments

Current

Programming Teacher

Current

Ivan Filipchak Sambir College

Sep 2025 - Present (1 year 1 month)

Deliver lectures and practical classes on modern software engineering and programming. Develop educational materials and supervise student diploma projects and internships.

WPF ASP.NET .NET 10 React Blazor Entity Framework Core PostgreSQL JavaScript CSS HTML Flutter

Current

Founder & Tech Lead

Current

Principles: Habits for Goals

Dec 2022 - Present (3 years 10 months)

Led architecture, hands-on implementation, code reviews, release management, and backlog prioritization for an AI-powered productivity app. Integrated Azure OpenAI into key features, increasing user retention by 20%, and migrated the mobile client from .NET MAUI to Flutter.

ASP.NET Core EF Core PostgreSQL Azure React Flutter .NET MAUI Docker MVVM Microsoft Bot Framework Google Cloud Platform

Current

Full Stack Developer

Current

BookSoft

Nov 2022 - Present (3 years 11 months)

Developed and maintained full-stack features for a production accounting application, including over 20 responsive interface modules using Vue.js, TypeScript, and SQL. Accelerated database migration from MS SQL Server to PostgreSQL by 70%, reducing licensing costs by ~₴150,000 per year.

CRM .NET C#JavaScript Vue.Js PostgreSQL ASP.NET Core TypeScript HTML CSS LESS MS SQL Server Docker

.NET Developer

LightUpon.Cloud

Mar 2021 - Nov 2022 (1 year 8 months)

Developed a Windows desktop application for file sharing and a Discovery Service for peer-to-peer communication, reducing node discovery time from ~10 seconds to 2 seconds. Improved application stability, reducing crash rate by 45% within three months of release.

WPF .NET C#Docker xUnit