Production-grade playbooks for API modernisation, microservice refactoring, and software architecture — written by an engineer who has shipped all of it.
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Apply the battle-tested patterns directly to your codebase. Each guide ends with a concrete implementation checklist.
In-depth patterns & architecture guides
In-depth patterns & architecture guides
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In-depth patterns & architecture guides
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In-depth patterns & architecture guides
In-depth patterns & architecture guides
In-depth patterns & architecture guides
In-depth patterns & architecture guides
In-depth patterns & architecture guides
In-depth patterns & architecture guides
In-depth patterns & architecture guides
In-depth patterns & architecture guides
In-depth patterns & architecture guides
In-depth patterns & architecture guides
In-depth patterns & architecture guides
In-depth patterns & architecture guides
In-depth patterns & architecture guides
In-depth patterns & architecture guides
In-depth patterns & architecture guides
In-depth patterns & architecture guides
In-depth patterns & architecture guides
In-depth patterns & architecture guides
In-depth patterns & architecture guides
In-depth patterns & architecture guides
In-depth patterns & architecture guides
In-depth patterns & architecture guides
In-depth patterns & architecture guides
A two-tier memory pattern for NestJS AI agents — Redis for the last few turns, pgvector for permanent facts — with the code, the tradeoffs, and where it breaks.
The three most common causes of hydration mismatch errors in React 19 and Next.js App Router — localStorage reads, timezone-dependent dates, and browser extensions — with working fixes for each.
How to buffer usage events with Redis Streams and report them to Stripe without hitting 429s or double-charging customers, using a NestJS batch worker and deterministic idempotency keys.
How to parse complex PDFs, nested tables, and multi-column layouts with Gemini's Files API, structured JSON schemas, and DPI tuning — without burning your token budget.
A practical breakdown of why serverless Next.js apps exhaust PostgreSQL connections, and the three fixes that actually work — singleton clients, transaction-mode pooling, and HTTP drivers.
A single prompt can't safely refactor a multi-file codebase. Here's how repo-scoped slash commands and staged subagents in Claude Code fix that, with git safety gates included.
Abhishek Pandey
Senior Full-Stack & DevOps Engineer
Senior Full-Stack Developer (MERN + DevOps) & Team Lead with 4.5+ years of experience building Node.js microservices, Kubernetes pipelines, and AI RAG systems.
Production-first
Every pattern has been shipped in real systems — not invented for a blog post.
Opinionated & specific
No 'it depends' hand-waving. We pick a stance and show you why.
Architecture-level thinking
Not just code snippets — full system design, trade-offs, and migration paths.
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