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rajan.techie

@rajan.techie

Public Profile

Rajan Walia

Followers
20,723
Following
203
Posts
189

Backend . System Design . Tech while alive: believe(); manifest(); work_hard(); achieve(); Senior Engineer @paytm DM - [email protected]

Impact Score
99.8

Top 0.1% Globally

Profile Stats
Anonymous Browsing Active

Content Insights

Avg. Engagement4.68%
Post Frequency2.9 / wk
Audience HealthExcellent
VisibilityPublic
Found 12 posts
rajan.techie video - CDC

Ever wondered how apps sync data in real time without overloading the DB?
3,975
48
12/4/2025
rajan.techie video - Docker Explained…

#backend #coding #engineering #software #techreels #viralreel
4,637
41
11/15/2025
rajan.techie video - How to run Docker Containers?

Please watch the video to understand better.

#ba
1,336
626
11/16/2025
rajan.techie video - Day 30/100: Long Polling

Long polling is a web communication technique where a
122
18
5/21/2026
rajan.techie video - Day 29/100 : 5
Short Polling vs Long Polling. Short Polling | by Mr Prime ...
Sh
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13
5/19/2026
rajan.techie video - Day 28/100 : Dead Letter Queues

A dead letter queue is a special queue that sto
59
11
5/18/2026
rajan.techie video - Day 27/100 : Exactly Once Delivery in Messaging Systems

Exactly-once delivery g
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26
5/15/2026
rajan.techie video - Day 26/100 : Atleast Once Delivery in Messaging System

At-least-once delivery i
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16
5/14/2026
rajan.techie video - Day 25/100 : Atmost once Delivery

Message will be delivered either once or neve
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16
5/1/2026
rajan.techie video - Day 24/100 : Pub/Sub in System Design

Publish–Subscribe (Pub/Sub) is an asynchr
95
20
4/30/2026
rajan.techie video - Day 23/100 : Message Queues: The Backbone of Async Systems 

Ever wondered how s
156
11
4/28/2026
rajan.techie video - Day 22/100 : Sync vs Async — one blocks, the other scales.

🔁 Synchronous (Requ
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18
4/27/2026

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