I Fix Complex Production Systems & Critical Bugs

30+ Years Experience • Debugging • Bug Fix • Performance Tuning • Banking Systems • Enterprise Systems • Legacy Applications

What I Help You Fix

Performance Issues

Slow systems under high load
Optimize backend, database, and APIs

Production Bugs

System crashes and runtime errors
Root cause analysis and fixes

Legacy Systems

VB / PowerBuilder / PHP systems
Modernization or migration to Spring Boot

System Integration

REST / SOAP / Enterprise API integration

Software Development Services

I develop custom software solutions for enterprise and business systems, using the right technology based on real-world requirements.

Java / Spring Development

Build enterprise applications using Java Spring MVC and Spring Boot

PowerBuilder Systems

Develop and modernize legacy PowerBuilder applications

Web Applications

Frontend development with HTML, JavaScript, and Vue

Custom Industrial Systems

I also develop custom software for industrial and factory environments, including barcode systems and hardware integration solutions.

Barcode System Development

Barcode systems for warehouses, factories, and logistics operations

Weight Scale Integration

Integration with weighing scales (RS232 / USB / Network / API)

About Me

I am a senior software engineer with over 30 years of experience, starting from VB, FoxPro, PowerBuilder, PHP, ASP, Java, and Go, currently focusing on Java Spring Boot and enterprise systems.

I have worked with banking systems, manufacturing systems, private companies, and government organizations, handling real production environments.

My strength is not just writing code, but analyzing and fixing real-world production system issues that are already running and critical.

Real Work Experience

Performance Optimization

Reduced response time from seconds to milliseconds

System Migration

PowerBuilder → Java Spring Boot migration

Production Fix

Fixed critical system failures under pressure

Services & Fees

Pricing depends on system complexity and can be estimated after an initial system analysis.

System Analysis

Identify root causes and analyze system issues


3,000+

THB / system

Production Bug Fix

Fix production issues and system failures


5,000+

THB / issue

Software Development

Build enterprise systems using Java, Spring Boot, and PowerBuilder


30,000+

THB / project

Industrial Systems

Barcode systems, weight scale integration, and hardware connectivity


15,000+

THB / project

* Pricing depends on system complexity and requirements
* Urgent production issues can be handled with priority support

Is Your System Having Problems?

I help identify the root cause and fix production issues to restore system stability

Contact Now

Contact

Email: boonchoo.roekchednee@gmail.com, contact@isoftbiz.com

Line: boonchooja

Tel: +66 9 1719 2999

Response within 24 hours