ROMHARSHAN TECHNICAL JOURNAL

Architecture, AI, cloud and engineering—explained from production experience.

Long-form technical articles, system design guidance, code examples and architecture decisions for engineers building real systems.

LATEST

Latest articles — Page 2

Original technical writing designed around practical implementation, architecture trade-offs and production lessons.

Showing 13–24 of 77 published articles12 articles per page
MongoDB

MongoDB Indexing and Query Performance: Compound Indexes, ESR and Explain Plans

A practical MongoDB indexing guide for compound keys, equality-sort-range ordering, covered queries, multikey indexes and explain-plan analysis.

2 Sept 2026 · 1 views
MongoDB

MongoDB Schema Design: Embedding vs Referencing in Production

How I choose MongoDB document boundaries using ownership, cardinality, update frequency, atomicity and query locality instead of generic embedding rules.

2 Sept 2026 · 1 views
MongoDB

MongoDB Production Architecture: Data Modeling, Replication and Scaling

A production-first MongoDB architecture guide covering document boundaries, replica sets, read/write concerns, indexing, sharding decisions and operational readiness.

2 Sept 2026 · 2 views
Angular

Angular Performance for Large Enterprise Applications

A practical Angular performance strategy covering lazy routes, change detection, list rendering, bundles, network calls and production measurement.

1 Sept 2026 · 1 views
Angular

Angular Micro-Frontends and Module Federation in Production

When Angular micro-frontends are justified, how to define shell/remotes, shared dependencies, contracts, routing and operational ownership.

1 Sept 2026 · 2 views
Angular

Angular Signals vs RxJS: State Management for Enterprise Applications

How I divide local reactive state, asynchronous streams and shared application state between Angular signals, RxJS and store patterns.

1 Sept 2026 · 1 views
Angular

Angular Enterprise Architecture: Structuring Large Applications for Long-Term Change

A production Angular blueprint covering feature boundaries, standalone APIs, state ownership, RxJS/signals, routing, performance and micro-frontends.

1 Sept 2026 · 16 views
React & Next.js

React & Next.js Performance: Rendering, Caching and Bundle Strategy

A production performance playbook for React and Next.js covering rendering cost, caching, code splitting, images, web vitals and measurement.

1 Sept 2026 · 3 views
React & Next.js

React State Management: Context vs Zustand vs Redux in Enterprise Applications

A decision framework for choosing local state, Context, Zustand or Redux without turning state management into architecture by default.

1 Sept 2026 · 1 views
React & Next.js

Next.js App Router in Production: Server Components, Client Components and Data Boundaries

How I decide server vs client rendering in the Next.js App Router and avoid unnecessary hydration, waterfalls and duplicated data fetching.

1 Sept 2026 · 1 views
React & Next.js

React & Next.js Enterprise Frontend Architecture: A Production Blueprint

A practical frontend architecture for Next.js applications covering server/client boundaries, data ownership, BFF integration, state, performance and observability.

1 Sept 2026 · 3 views
Java & Spring Boot

Spring Boot Observability: Micrometer, OpenTelemetry and Production Signals

A production observability model for Spring Boot covering service metrics, traces, logs, JVM signals and actionable alerting.

1 Sept 2026 · 1 views