rnavarych

PostgreSQL deep-dive: EXPLAIN ANALYZE interpretation, index types (B-tree, GIN, GiST, BRIN), partial/covering/composite indexes…

Product catalog design for e-commerce: headless platforms (Shopify, Medusa, Saleor, commercetools, Vendure), PIM integration (Akeneo…

Cross-engine query optimization guide. EXPLAIN/EXPLAIN ANALYZE across PostgreSQL, MySQL, MongoDB, Cassandra, ClickHouse. Index strategies…

Expert guidance on React Native development including New Architecture (Fabric, TurboModules, JSI, Codegen, Bridgeless), Expo SDK 52+…

High availability and replication topologies across all database engines.

Cloud cost optimization expertise covering instance right-sizing, reserved and savings plans, spot/preemptible instances, resource…

Schema and data migration patterns across all engines.

Expert guidance on Flutter 3.27+ (Impeller default on all platforms, Material 3, WASM web, DevTools, Flame), Dart 3.3+ (records, patterns…

Payment gateway integration patterns for e-commerce: Stripe, PayPal, Adyen, Square, Mollie, Razorpay, Checkout.com, BNPL (Klarna, Affirm…

Scalability analysis expertise including horizontal vs vertical scaling, sharding strategies, read/write splitting, eventual consistency…

Database schema design principles and patterns.

Deep operational guide for 12 columnar/wide-column databases.