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🚨 Famous Interview Question: You have an API, but it takes too long to respond. How would you debug it in production? This is not random debugging. This is structured investigation. Let’s go step
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🚨 Interview Question: Your backend API must handle 1 MILLION requests per second. How would you design it? This is not a coding question. This is an architecture question. At this scale, everyth
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🚨 Interviewer Question: How does a 100GB file become 20GB when zipped without losing data? If you can’t explain this clearly… you don’t fully understand compression. ⸻ 1️⃣ Core Concept: Lossles
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🚨 Famous Interview Question: You need authentication for your app. Will you choose JWT or OAuth? Why? This is not a simple choice. This is a security architecture decision. ⸻ 1️⃣ They Are Not The Sa
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🚨 Famous Interview Question: You set an object to null… But memory is NOT freed When does Java actually clean it? This is not immediate deletion. This is JVM Garbage Collection. ⸻ 1️⃣ What Doe
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🚨 Famous Interview Question: Your app is slowing due to frequent GC pauses. Which GC will you choose for better performance? Why? This is not random tuning. This is structured GC selection. What i
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🚨 Famous Interview Question: Your application fetches data from a slow database. How do you cache the result to improve performance? This is not random caching. This is structured caching strategy.
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🚨 Interview Question: Your query returns just 20 rows… but it takes 3 seconds in production! How do you make it under 1 millisecond? This is not about coding. This is about efficient database desi
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🚨 Interview Question: You deployed a REST API endpoint. But every request returns 404 Not Found. How would you debug it in production? This is not random debugging. This is systematic investigatio
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🚨 Famous Interview Question: Your homepage API uses 18 DB queries per request. How do you bring it down to 1 in production? This is not random optimization. This is structured query optimization.
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🚨 Real Production Scenario (Asked in Barclays): You pushed to production A critical bug hits LIVE What’s your FIRST move? This is not panic. This is structured recovery in production. ⸻ 1️⃣ Don
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1 database error. Netflix offline for 3 days in 2008. Millions of users affected. Are you building the same mistake? 👇 This is not Netflix history. This is a system design lesson every developer must
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About @codeera.tech

Code Era is a Instagram nano influencer. With 5.7K followers and 148 posts, codeera.tech's account shows a follower-to-following ratio of 471.8:1. View all content anonymously on Pictame - no login required.

codeera.tech's engagement rate sits at 16.73%. That's 235% above what you'd typically see for accounts with 1K-10K followers (average 5%) — a sign of a genuinely connected audience.

Out of the last 12 posts, 100% are videos and 0% are photos. Content shows up about every 4 days. Captions lean detailed, averaging 1738 characters.

16.73% engagement rate — 235% above average for 1K-10K follower accounts.
Posts about every 4 days.
471.8:1 follower-to-following ratio.

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@codeera.tech

Code Era

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Posts
148
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Top Hashtags
#systemdesign#java#backend#microservices#scalability#softwareengineering#backenddeveloper#jvm

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Popular Hashtags

#photo#friends#music#smile#family#life#amazing#instagram#lifestyle#gym#motivation#sunset
Following
12
Avg. Likes
882
Avg. Comments
65
Engagement
16.73%

🇺🇸 Backend Engineer | Java Architect •Spring Boot •System Design •DSA 🇮🇳Tier-4 UP India → Columbia USA 📬Email:amit....

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