Data-Intensive Systems
Validation of reporting systems, database integrity and statistical accuracy in high-sensitivity environments.
Aksiandr / Oksana Khalilova
Senior QA Automation Consultant
For Data-Driven and Backend-Centric Systems
I help product teams improve system stability, reduce release risk and build scalable QA automation for complex backend-driven environments.
Quality Strategy
How I Approach Quality
Quality assurance in complex systems is not checklist execution.
It is structured risk control across backend logic, data integrity and integration boundaries.
I work with systems where failures are not always visible, but their impact is critical.
Expertise
Consulting Focus Areas
SaaS & Backend Systems
API validation, integration stability and regression architecture for evolving product ecosystems.
Automation Architecture
Design of scalable Python-based frameworks aligned with long-term maintainability.
Cloud QA (AWS)
Deployment validation, environment consistency and log-based diagnostics in distributed systems.
Selected Work
Selected Engagements
POS Platform
Validation of transaction flows and reporting logic in live payment environments.
Healthcare Data System
Ensuring data consistency and statistical accuracy in reporting pipelines.
Collaboration
Open to Strategic QA Collaboration
Available for senior QA consulting and long-term product collaboration in data-driven environments.