Software engineer focused on backend architecture, distributed systems, DevOps, PostgreSQL performance, and cloud-native delivery. Also building micro business initiatives and engineering knowledge products.
Reduced critical query latency through better indexing strategy, execution plan analysis, and query rewrite.
Improved service resilience by addressing restart loops, backpressure, probe configuration, and failure handling.
Designed async document processing flow using event-driven architecture, worker services, and batch execution.
Composite index strategy, WHERE/JOIN ordering, and filter + sort patterns.
Read plans like Seq Scan, Index Scan, Sort, Nested Loop, and HashAggregate.
From O(1) to O(n²), tied to real backend and database use cases.
Quick reference for anchors, groups, classes, and practical patterns.
Online micro business selling Muslim fashion, family clothing, and cosmetic products with digital gold reward promotions.