AWS
DynamoDB Tail Latency: Cold Starts, Hot Partitions, and the Spikes Nobody Sees at p50
Cold path latency, hot partitions, throttling reasons, LSI limits, X-Ray traces, VPC endpoints, and proving the fix.
Architecture
BFF Architecture Pattern: Not Every Backend for a UI Is a BFF
Why BFF exists, what problem it solves, why every UI backend is not a BFF, and how REST and GraphQL implementations differ.
Architecture
CQRS in Production: One Write Path, Many Read Models
How strong writes, transactional outbox, eventual read models, and different databases work together in production CQRS.
Java
Should You Update to Java 25? A Code First Look at the New LTS
A code driven look at Java 25 through scoped values, structured concurrency, AOT warmup, JFR profiling, safer HTTP calls, and KDF.
Data Structures
Tree Data Structures: Search, Hierarchy, and Fast Decisions
A practical guide to tree structures, business hierarchy, search, indexes, priority, prefixes, range queries, diagrams, and code.
Leadership
Influence Is Overrated. Credibility Is What Actually Moves Work
Why individual contributors earn trust through evidence, timing, and decision quality instead of title or meeting visibility.
Vector Search
Vector Data Architecture: Similarity Search and AI Retrieval
How embeddings, metadata, vector indexes, and retrieval services support semantic search and AI applications.
Derived Data
Derived Data Architecture: Metrics, Features, and Reusable Results
How calculated metrics, aggregates, ML features, and materialized views are built, tested, served, and reused.
Metadata
Metadata Architecture: Make Data Findable and Trustworthy
How catalogs, lineage, owners, schemas, quality signals, and freshness data make the data estate usable.