Hurelhuyag

Software engineer with 10+ years of experience building Java backend systems, Flutter applications, and embedded Linux projects.

About Me

I build practical software for mobile, desktop, and embedded devices. My work ranges from Spring and Hibernate libraries to Flutter packages, QR code tools, Raspberry Pi kiosks, and receipt printer integrations.

Highlighted Projects

Java · Spring

spring-data-jpa-extension

Extension library for Spring Data JPA that adds additional repository and persistence functionality for enterprise Java applications.

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Java · API

ebarimt

Java classes and utilities for working with the Mongolian ebarimt 3.0 API, including receipt and QR-related functionality.

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Flutter · Dart

build_badge

Flutter package that displays build and version badges inside applications, useful during development and testing.

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Java · Hibernate

jackson-datatype-hibernate0

Jackson module for better serialization support with Hibernate entities, lazy-loading, and persistence-layer objects.

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Specialized Utilities

Database · Mongolia

Mongolian Unicode Collation

SQL collation rules and examples for proper Mongolian Unicode sorting in MySQL and MariaDB databases.

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Hardware · POS

Bixolon Printer Java Example

Example code for integrating Bixolon receipt printers from Java, including POS and ESC command handling.

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Experience

2022 – Present

Co-Founder & CTO · Zeent Tech LLC

Leading product and technology strategy, building software systems, and managing architecture and development.

2020 – Present

CTO · Sodon Solution LLC

Developing a reusable web application platform and introducing modern technologies such as React and improved CMS architecture.

2021

Java Software Developer · VLINGO XOOM

Contributed to the open-source XOOM platform focused on pure domain-driven design architecture.

Certifications

Oracle

Oracle Certified Professional, Java SE 11 Developer

Professional certification demonstrating advanced Java development, language features, concurrency, collections, streams, and modern Java APIs.

ITPEC

ITPEC Fundamental Engineering

International certification covering software engineering, algorithms, databases, networking, and computer systems.

Skills

Java
Spring
Hibernate
Flutter
Dart
Android
Raspberry Pi
Linux
MariaDB
PostgreSQL
Git