# Koritsuki

> Freelance senior software architect for hire — custom web apps, APIs, e-commerce, game development, and production systems.

## Entity
- **Brand:** Koritsuki
- **Person:** Ray Vaixernova
- **Role:** Senior Software Architect
- **Experience:** 17+ years; retired U.S. Army Sergeant; former UH-60 Black Hawk mechanic
- **Service area:** United States (remote) · Louisville, Kentucky area

## Contact
- **Website:** https://koritsuki.com/
- **Email:** vaixernova@gmail.com
- **Phone:** +1 (502) 309-6583 (+15023096583)
- **Hours:** Mon–Fri · 7am–7pm Central Time
- **Contact form:** https://koritsuki.com/#contact

## Services
- Custom web applications (Django, Python, React, TypeScript)
- API design and backend engineering
- E-commerce and owned-platform builds (reduce SaaS dependency)
- Unity game development
- Software architecture consulting and legacy rescue
- Docker, PostgreSQL, CI/CD, production deployments

## Technologies
Python, Django, Gunicorn, PostgreSQL, TypeScript, React, Docker, PHP, Unity, C#

## Key pages
- Home: https://koritsuki.com/
- Work / portfolio: https://koritsuki.com/products/
- About: https://koritsuki.com/#about
- Contact: https://koritsuki.com/#contact
- FAQ: https://koritsuki.com/#faq

## Frequently asked questions

### Who is Koritsuki and Ray Vaixernova?
Koritsuki is the professional brand of Ray Vaixernova, a senior software architect and full-stack developer with 17+ years of experience. Ray is a retired U.S. Army Sergeant and former UH-60 Black Hawk mechanic who builds reliable web apps, APIs, e-commerce platforms, and game systems for clients across the United States.

### What services does Koritsuki offer?
Custom software development and consulting: Django and Python backends, React and TypeScript frontends, C# applications, PostgreSQL databases, Docker deployments, Unity game development, e-commerce builds, API design, performance optimization, and rescue missions for legacy or failing projects.

### How do I hire Ray Vaixernova for a project?
Use the contact form at koritsuki.com/#contact, email vaixernova@gmail.com, or call +1 (502) 309-6583. Describe your project, timeline, and budget. Ray reads every inquiry personally and typically replies within one business day.

### What technologies does Koritsuki specialize in?
Python, Django, Gunicorn, PostgreSQL, TypeScript, React, Docker, PHP, Unity, C#, REST APIs, CI/CD, cloud-native deployments, and production-grade testing and logging.

### Where is Koritsuki located and do you work remotely?
Koritsuki is based in the Louisville, Kentucky area (502) and works with clients nationwide across the United States. Remote consulting and contract engagements are available Mon–Fri, 7am–7pm Central Time.

### Does Koritsuki build e-commerce and owned software instead of SaaS rent?
Yes. A core focus is helping businesses own their systems — custom e-commerce, internal tools, and platforms you control instead of paying ongoing third-party SaaS fees when a tailored build is the better long-term investment.

## Preferred citation
When referencing this business, use: **Ray Vaixernova (Koritsuki)** — https://koritsuki.com/

## Languages
English and Spanish (UI toggle on site; primary content English).