Seshadri C
Engineering Notes
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Seshadri C
Engineering Notes

Seshadri C

Engineering, architecture, and leadership writing.

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© 2026 Seshadri. All rights reserved.

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Notes on software, systems, and engineering leadership

Practical writing from real project work. Focused on reliability, scalability, and clean decision-making.

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AWSAdvanced PythonArchitectureBackendBest PracticesCareerClean CodeCloud ArchitectureDesign PatternsDevOpsIntroductionJavaScript

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Mar 12, 2026•39 min read

OOP in Python: Building a Real E-Commerce System from Scratch

Master every OOP concept in Python — classes, encapsulation, inheritance, polymorphism, abstraction, dunder methods, dataclasses, descriptors, and composition — by building a complete e-commerce platform. Advanced patterns, zero fluff.

PythonOOPDesign PatternsSoftware ArchitectureAdvanced Python
7,647 wordsRead article →
Feb 28, 2026•25 min read

SOLID Principles in Python: A Visual and Practical Guide

Learn the five SOLID principles through real e-commerce Python examples with interactive diagrams and side-by-side code comparisons. No fluff, just the stuff that actually matters when you're building production systems.

PythonSOLIDDesign PatternsClean CodeSoftware ArchitectureBest Practices
4,803 wordsRead article →
Sep 15, 2024•2 min read

Building Scalable Web Applications - Lessons from the Field

Key principles and practices I have learned while building scalable web applications across different domains.

JavaScriptArchitectureScalabilityWeb DevelopmentBest Practices
208 wordsRead article →
Apr 28, 2024•3 min read

Modern PHP Development - Beyond the Stereotypes

Exploring how PHP has evolved and why it remains a powerful choice for web development in 2024.

PHPWeb DevelopmentBackendLaravelSymfony
506 wordsRead article →
Mar 10, 2024•4 min read

Building Serverless Applications with AWS - A Practical Guide

Learn how to design and implement serverless architectures using AWS Lambda, API Gateway, and other managed services.

AWSServerlessLambdaCloud ArchitectureDevOps
681 wordsRead article →
Jan 2, 2024•2 min read

Hello World - My First Blog Post

Welcome to my blog! This is my first post where I introduce myself and share what you can expect from this space.

PersonalIntroductionCareer
242 wordsRead article →
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