Back-of-the-Envelope Calculations
Master the art of quick, accurate estimations that every staff+ engineer uses in system design interviews and real-world architecture discussions.
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Nicholas Alvarez
Recent Post
High-Quality Git Commit Message:
Official Guidelines
Writing clear, consistent Git commit messages seems small, but it’s one of the highest-leverage habits in software engineering. Good commits make code reviews faster, let you bisect bugs in seconds, and turn your git log into actual documentation.
In this post you’ll get battle-tested conventions and real-world examples you can start using today.
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Rate Limiter
Deep dive into rate limiting algorithms (Token Bucket, Leaky Bucket, Sliding Window) with distributed system implementations and real-world pitfalls.
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Consistent Hashing
How consistent hashing powers distributed caches like Redis Cluster and DynamoDB — complete with visualizations, replication strategies, and virtual nodes explained.
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Key-Value Store
From in-memory hash maps to distributed giants like etcd and DynamoDB: design trade-offs, CAP theorem implications, and LSM vs B-Tree storage engines.
Read MoreSystem Design
Systems design | MIT News
The MIT spinout Silverthread helps companies transform complex codebases into modular systems that can be changed or updated without headaches.
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System Design PDFs (2024 Edition - Latest)
High Resolution PDFs/Images Big Archive: System Design Blueprint: Kubernetes tools ecosystem.
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System Design is More Important Than You Think
This was one of the finest articles about the system design and its industry impact in this new era of Leetcoders.
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System Design was HARD until I Learned these 30 Concepts
In this article, I'll walk you through the 30 most important System Design concepts every developer should know.
Read MoreBack-end Development
Backend Development Trends in 2024
Top Backend Development Trends in 2024: 1. Serverless Architecture 2. AI and Machine Learning Integration 3. Microservices Architecture.
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What new backend Technologies are trending or going to trend
Give Rust a shot, it's fast, memory-safe, and gaining traction in backend development with frameworks like Axum and Actix.
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Back-End Development: Definition, Stats, & Trends To Follow In 2024
Back-End Development Trends For 2024. Below are the top 9 trends: - Artificial Intelligence (AI) and Machine Learning (ML).
Read More![[2025] My two cents on the future of backend development (Maybe?)](/futureBackEndDev.jpg)
[2025] My two cents on the future of backend development (Maybe?)
I've spent a month researching and crystallizing various future directions, including AI Agents and Agentic Development.
Read MoreFront-end Development
State of Frontend 2024
This year, we consulted with 23 industry experts to dive deep into the trends, challenges, and innovations shaping the world of frontend development.
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The Death of the Frontend: How AI Will Kill Web Development
Here is my forecast for the frontend development job market based on the rates of current AI advancement: 2024: 60% of regular frontend...
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The Ultimate Frontend Developer Roadmap for 2025
Frontend development has become more dynamic as the IT sector develops further, embracing state-of-the-art tools, frameworks, and advances in artificial intelligence. This roadmap will walk you through the necessary knowledge, resources, and trends to stay ahead in the rapidly evolving profession of frontend development if you intend to start or advance in the industry in 2025.
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8 trending frontend technologies for 2025
The landscape of frontend technologies in 2024 was dynamic and innovative, embracing micro frontends, headless CMSs, and companies going...
Read MoreData Structures and Algorithms
![Recent Trends & Developments in DSA [2024]](/recentTrendsAndDevelopmentsDSA2024.jpg)
Recent Trends & Developments in DSA [2024]
The field of data structures and algorithms is constantly evolving, with new research and innovations emerging all the time.
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Awesome LeetCode Resources (2025 Curated List)
The most comprehensive & up-to-date collection of LeetCode solutions, patterns, roadmaps, cheat sheets, and study plans – curated by the community for cracking FAANG & top-tier interviews in 2025.
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Data Structures and Algorithms in 2024: Trends, Benefits ...
We explore the latest trends, standards, benefits, challenges, and commitments associated with DSA in today's evolving technological landscape.
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Data Structures & Algorithms Mastery in 2024: Real-World ...
Conclusion: In 2024, data structures and algorithms remain the bedrock of software development. From passing technical interviews to solving...
Read MoreGit Tips
Git Tips
The field of data structures and algorithms is constantly evolving, with new research and innovations emerging all the time.
Read MoreAwesome LeetCode Resources (2025 Curated List)
The most comprehensive & up-to-date collection of LeetCode solutions, patterns, roadmaps, cheat sheets, and study plans – curated by the community for cracking FAANG & top-tier interviews in 2025.
Read MoreData Structures and Algorithms in 2024: Trends, Benefits ...
We explore the latest trends, standards, benefits, challenges, and commitments associated with DSA in today's evolving technological landscape.
Read MoreData Structures & Algorithms Mastery in 2024: Real-World ...
Conclusion: In 2024, data structures and algorithms remain the bedrock of software development. From passing technical interviews to solving...
Read More