@system_monarch: A month ago, I told everyone: "I've been a backend Engineer for 12+ years. Today, I'm a Principal Engineer at Atlassian…
Summary
A Principal Engineer at Atlassian shares a completed 25-day Twitter thread series on system design scaling fundamentals, compiled into a single resource.
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Cached at: 07/13/26, 08:00 PM
A month ago, I told everyone:
“I’ve been a backend Engineer for 12+ years. Today, I’m a Principal Engineer at Atlassian.
I’ve designed systems that handle millions of requests. Sat on both sides of system design interviews.
Reviewed more architecture docs than I can count.
Starting today, I’m breaking down the fundamentals of scaling for the next 25 days.
If you’re learning system design bookmark this thread, you’re going to get a lot of learning from this.“
FYI, the series has concluded. Here are all the concepts, please bookmark, share, learn and the most important build from the learnings you get.
Also, if you have any ideas on what you’d like to see from me, please let me know, any other series or concepts to be broken down.
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Load Balancing: https://x.com/system_monarch/status/2064978857263014366?s=20…
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CDN: https://x.com/system_monarch/status/2065333515601039611?s=20…
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Caching: https://x.com/system_monarch/status/2065682623125684250?s=20…
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Cache Invalidation: https://x.com/system_monarch/status/2066122714738487723?s=20…
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Rate Limiting: https://x.com/system_monarch/status/2066523714540487134…
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API Gateway: https://x.com/system_monarch/status/2066872078763282840?s=20…
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CAP Theorem: https://x.com/system_monarch/status/2067237126027264501?s=20…
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Sharding: https://x.com/system_monarch/status/2067617707336569054?s=20…
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Replication: https://x.com/system_monarch/status/2067990359523967241?s=20…
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Partitioning: https://x.com/system_monarch/status/2068372408940302686?s=20…
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Queues: https://x.com/system_monarch/status/2068609322691743937?s=20…
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Microservices: https://x.com/system_monarch/status/2069105320245518534?s=20…
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Microservices Vs Monoliths: https://x.com/system_monarch/status/2069412442556543421?s=20…
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Fault Tolerance: https://x.com/system_monarch/status/2069734817256935765…
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Database Scaling: https://x.com/system_monarch/status/2070140401991004434?s=20…
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Service Discovery: https://x.com/system_monarch/status/2070395468719460626?s=20…
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Consistency models: https://x.com/system_monarch/status/2071610178668286007?s=20…
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Eventual Consistency: https://x.com/system_monarch/status/2071998232620843438…
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Distributed Transactions: https://x.com/system_monarch/status/2072312002098377098?s=20…
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Leader Election: https://x.com/system_monarch/status/2073626230109426156?s=20…
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Horizontal vs Vertical Scaling: https://x.com/system_monarch/status/2074532999929176098?s=20…
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Back of the Envelope Estimation: https://x.com/system_monarch/status/2075930028995432770?s=20…
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Idempotency, Data Latency & Finale: https://x.com/system_monarch/status/2076617189508141438?s=20…
Hi Milan, there are various concepts which helps in scaling. Definitely orchestration is important.
Oh man. I thought everyone talks about databases
It’s concluded, please check my first reply, you’ll find all the links there.
Thanks for your support :)
Love to see your comment om every post. Kudos to you.
It’s concluded, please check my first reply, you’ll find all the links there.
Thanks for your support :)
Hmm, I hear you.. Let me see when I get the time, I will update my website.
Awesome, great list of concepts..
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