Denis Kalininsky

SENIOR QUALITY ASSURANCE ENGINEER

Background / Strategy

“Denis Kallininsky is a Senior Quality Assurance Engineer with 4+ years of experience delivering stable, production-ready healthcare software across web, mobile, and cross-platform environments. He has strong expertise in manual and API testing, backend validation, test planning, and in-depth bug analysis, with a consistent focus on functional accuracy and release stability.”

Operational History

Delivered stable healthcare software across web, mobile, and cross-platform environments with a focus on production readiness.

Performed manual and API testing, backend validation, and structured test planning to ensure functional accuracy.

Conducted in-depth bug analysis and collaborated with engineers to improve fix quality and reduce regressions.

Led full-cycle testing for internal and customer-facing systems, validating business logic early to reduce release risk.

Embedded pragmatic testing practices into everyday development workflows to improve delivery predictability and release stability.

Philosophy

Quality is built by habits—validate early, communicate clearly, and make stability a daily practice.