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Andrew Gorshenin

Projects

Selected work streams and systems where I led or significantly contributed to architecture, performance, and delivery.

FI Z-landscape modernization

Refactored and unified 20+ FI Z-programs at Power Machines; 30–60% faster key reports and transactions via SQL optimization and removal of redundant logic.

ABAP FI Performance

High-load database optimization

Redesigned access patterns and indexing for heavy queries; response times from seconds to sub-second with 1000+ concurrent users.

SQL Indexing Scalability

Retail SAP & external integrations

At Stroitelyi Dvor: robust RFC/IDoc integration layer for SAP Retail with real-time pricing and inventory sync; automated product master data; MM/SD enhancements with validation rules; self-recovering data exchange.

IDoc RFC MM/SD

Contract approval & reporting platform

At Sibintek: mission-critical OOP contract approval for Rosneft; 10+ FI analytical/operational reports; query rewrites for faster decisions; stable rollout and post-go-live performance tuning.

ABAP Objects FI Reporting