Become a better engineer


Super practical courses, with a no-fluff no-nonsense approach, that are designed to spark engineering curiosity and help you ace your career.


System Design Masterclass

A no-fluff masterclass that helps SDE-2, SDE-3, and above form the right intuition to design and implement highly scalable, fault-tolerant, extensible, and available systems.


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System Design for Beginners

An in-depth and self-paced course for absolute beginners to become great at designing and implementing scalable, available, and extensible systems.


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Redis Internals

A self-paced and hands-on course covering Redis internals - data structures, algorithms, and some core features by re-implementing them in Go.


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Arpit Bhayani

Hey, I am Arpit

curious, tinkerer, and explorer

I am a software engineer and an engineering leader passionate about Databases and System Architecture. Right now, I am a Staff Engineer for GCP Memorystore, handling both dataplane and control plane. On the side, I created an open-source reactive cache - DiceDB.

I also spend time on independent research, publishing my work on ArXiv. My areas of interest include databases, approximate algorithms, and distributed systems.

In 2024, I took a leap of faith and co-founded Profile.fyi, which was later acquired by Mercor. I have also been a Staff Engineer at Google, leading the Ads Forecasting, and was the lead for the Dataproc India team, where we built a managed big data ecosystem for GCP customers. Earlier in my journey, I was part of Amazon's Fast Data Team, where I worked on cold tiering of hot data and developed a seamless query interface across all storage tiers.

I held engineering leadership positions (both IC and management) at Unacademy, where I built, grew, and led Search, Site Reliability Engineering (SRE) teams, and Data Engineering teams. I hold a total of 12+ years of experience in scaling backend services, taking products and teams from 0 to 1, and beyond.

I keep diving deep into engineering details and share my learnings by across my socials and videos on YouTube.

Arpit Bhayani

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Arpit's Newsletter read by 145,000 engineers

Weekly essays on real-world system design, distributed systems, or a deep dive into some super-clever algorithm.


The courses listed on this website are offered by

Relog Deeptech Pvt. Ltd.
203, Sagar Apartment, Camp Road, Mangilal Plot, Amravati, Maharashtra, 444602
GSTIN: 27AALCR5165R1ZF