I have received multiple requests to provide a collection. https://t.co/s7stpPUmMy Yes, I have published an ebook that is based on Java interview questions with actual scenarios/applications. In this AI world and the current job market, learning just facts is not a guarantee to

An Amazon employee rewrote a perfectly fine Java Microservice to Go and actually slowed the service down😄 Don't listen to noises, Java despite it's flaws is a great language for enterprises and if I had to start my career I'd start from Java again. As a Java dev, apart from

Junior SWE: “Let’s just build one backend and one DB for everything” Mid-level SWE: “We should move this into microservices with separate databases” Senior SWE: “We need sharding, Kafka, CQRS, Redis, S3, and a global cache” Principal SWE: “Can this just be a single service

Do not sleep on System design if you are preparing for interviews. You have to understand how systems work. Fundamentals are not negligible. You can't run from it, hide from it. Here are 25 questions (51-75) that will help you with the fundamentals that you should master before

Junior SWE: "I'll just use a simple if statement" Mid-level SWE: "Let me implement a strategy pattern with dependency injection" Senior SWE: "We need an event-driven microservices architecture with CQRS and eventual consistency" Principal SWE: "Just use an if statement" What

Your system design knowledge, explaining: - gRPC - CDNs - WebSockets - Rate Limiting - API Gateways - Microservices - Redis Caching - Load Balancers - Message Queues - Database Sharding - Consistent Hashing - Eventual Consistency - Distributed Tracing - Horizontal Scaling -

In a Meta E5 Interview you're asked to “Design Leetcode.” As a senior/principal level engineer, I would follow the following playbook to show my depth: The Playbook: [1] Requirements: Safety First - Don't just list features; frame the constraints. - The Trap: Treating this

If you are a Junior or Mid-level SDE today, and planning for a switch to a FAANG+ company & a salary bump of over 50%, please focus on these system design fundamentals seriously. This will keep your skills sharp. The market may be rough, but the only thing you truly control is

After you've spent years doing backend engineering, you realise that everything is a wrapper: - an API endpoint is a wrapper over a controller - a controller is a wrapper over business logic - a business logic is a wrapper over a service class - a service class is a wrapper over

25 Questions I would master and ask myself again and again before any backend design interview part ll (26 - 50): Core Distributed Systems & Scalability 26. How do I design APIs so they can evolve without breaking clients? 27. How do I handle idempotency for write APIs? 28. How

Encouraging feedbacks, still on 75% discount till today. Get your copy now https://t.co/s7stpPUmMy

Deciding to get back into DSA after years in a full-time job is a very painful series of events. This is the journey of how a person preparing for DSA rounds for Senior roles spent over 6+ hours daily for 1.5 months looks like: - decide you need to prepare for interviews

December! This is the month where workloads gradually slow down, and you may find some extra time at work. Hiring often freezes for a few days due to the holiday season. If you're on break, enjoy the holidays! But if you find yourself with some free time at the office, it's an

I have received so many positive feedbacks on my ebook. You can get it now at 75% off. One thing about the book is it will keep updating, and you will have lifetime access to download.

1 one piece of advice I would give to my 24-year-old self interviewing for backend roles: Never fall into the trap of trying to learn everything. Because you simply cannot. This is NOT a System Design interview: Kubernetes Kafka gRPC Redis Postgres SQS API Gateway Docker

25 Questions I would ask master before any backend/system design interview: Core Distributed Systems & Scalability 1. How do I decide when to split a monolith into services? 2. How does a request flow end-to-end through a production system? 3. How do I design a service that can

Two candidates were interviewing for a Sr. Engineer role @ Uber and were given these requirements...for their system design problem... Requirements: – The system must have low latency – It must handle sudden traffic spikes during peak events – It must enforce strict per-user