# Rustam Kremcheev

> Java (Core, Multithreading, Collections)

Spring / Spring Boot / 

Oracle Database / PL/SQL

SQL Optimization, Performance Tuning

REST API / Microservices

Financial & Banking Systems

Location: Brooklyn, New York, United States
Profile: https://flows.cv/rustamkremcheev

## Work Experience
### Senior Software Engineer @ KeiraPay
Jan 2025 – Present | New York City Metropolitan Area

### Senior Oracle Developer @ Technologic ASBT
Jan 2024 – Present

### Senior Oracle Developer @ UzCard Holding (ASBT Technologies)
Jan 2024 – Jan 2025
· Existing database support
· Searching for slow queries  in the database and correct with trace files (optimization)
· Supply legacy PL/SQL packages and legacy Java Projects
· Create new core for bank system and integration old data
· Migration to Docker/Kubernetes
· Migration heavy fields in a oracle to MinIO storage
· Mentoring and supply new programmers in company

### Java Oracle Developer @ Intelligent Solutions
Jan 2019 – Jan 2024 | Tashkent, Uzbekistan
Participated in the full software development lifecycle for banking applications and the Core Banking System (CBS): requirements analysis, design, development, testing, deployment, and support. Implemented integrations with external services (payment providers, regulatory systems), optimized performance, and ensured high system availability.

### Oracle Developer @ Intelligent Solutions AT
Jan 2019 – Jan 2024
Creation and maintenance of microservices in the Banking System.
· MoneyTransfer module and integration with Western Union, Contact, PayPal, ZolotayaKorona, AgroExpress, Visa Direct
· Credit module and integration with Credit Bureau Companies (CRIF, KATM)
· Send Report to Central Bank
· Understand highload system principles
· Integration with Blockchain System (Send/Receive Cryptocurrencies)
· Mentoring students from University in company


## Education
### Electronics
Tashkent Professional College of Information Technologies
Jan 2012 – Jan 2015

### School 28
Jan 2003 – Jan 2012


## Contact & Social
- LinkedIn: https://linkedin.com/in/rustam-kremcheev-408898277

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Source: https://flows.cv/rustamkremcheev
JSON Resume: https://flows.cv/rustamkremcheev/resume.json
Last updated: 2026-04-01