Vinayak Kumar @DevVinayakk

The most popular deployment strategies explained. There are many possible approaches. Here's a breakdown of five of the most popular. Each stands out for specific strengths. • Blue/Green for safety and zero downtime. • Canary for controlled, low-risk rollouts. • Rolling…

5 books I can't recommend enough: 1. Clean Architecture ( Robert Martin ) 2. Building Microservices ( Sam Newman ) 3. Unit Testing ( Vladimir Khorikov ) 4. Domain Driven Design ( Eric Evans ) 5. Head First Design Patterns ( Eric Freeman, Ph.D. & Elisabeth Robson ) For more…

Do you know there exist a "2080 Problem" in ways X generates unique Ids for its posts, user etc? X uses a 64-bit ID format known as Snowflake for tweets, users, DMs, pretty much everything. Each ID packs three things: Time (41 bits), Machine/worker (10 bits) and Sequence (12…

Spotify System Design

Apache Kafka Explained (At the high level)

Most are trapped in social feeds. I’ll outwork them and get what I want. That’s what I tell myself. #SundayMotivation

Postgres 18 has been released, with Async I/O support. Previously, all read requests were blocking, but with this update, they are no longer, delivering massive performance gains for read-heavy applications! It's enabled by default on Postgres 18!

Designing a global, read-heavy content platform (images + static assets), millions of DAU, strict p95 < 150 ms from India to US. Here’s the stack—but one obvious edge component is missing ... What would you add first?

Today’s reality: Jack of all trades beats “master of one” more often than you think

Leetcode is addictive I guess

**Software Design Pattern - Adapter** The Adapter pattern acts as a translator between two incompatible pieces of code, enabling them to work together. It allows integration of third-party SDKs or legacy code into your application without modifying the original code or…

I have been playing with AI models and tools for quite some time and now having understood its strength and limitations, I think it is the best time to be Software Engineer. Emphasis is on the term 'Engineer'.

Hello Engineers, How do you handle event deduplication in your event-driven architecture ? Suggest strategies for dealing with different kinds of systems

Engineers need to communicate effectively when building AI Systems. These terms will help you use a shared vocabulary. This is useful when discussing concepts, reading papers, or collaborating with teammates. Listed in order. 00:00 Agenda 00:28 1. Large Language Model 01:28…

Handling traffic at Uber scale isn’t just adding servers. It’s about routing requests correctly, with guardrails to keep p99 latency healthy, like managing a busy restaurant chain during rush hour. **Route traffic to faster kitchens** Imagine three restaurant locations: one…

My recommended materials for cracking your next technical interview

Finished Atomic Habits. My takeaway: become the kind of person who shows up. I’m committing to 1% better daily. No heroics, just reps. If habit-keeping has felt impossible, start here. #BuildInPublic #AtomicHabits

⏳ 100 days left till 2025 ends. If you’re serious about learning something → stop crying, stop planning, stop asking “which roadmap” for the 10th time. Sit down and do the damn work. 🖥️ Backend 👉{ Event-driven microservices with Kafka/NATS → Build a real-time…

This comprehensive tutorial serieswill teach you everything about LangChain - from basics to building AI agents, connecting ChatGPT to custom files, creating web apps, and extracting insights from documents. 24 videos covering beginner to expert level implementations. Link is…

Code Example: Integrate Circuit Breaker into a Spring Boot application using Resilience4j