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Hi, I’m Sachin

Principal Engineer & Software Architect — I craft scalable, fast, and clean solutions using Node.js, React, and AI.

About Me

I’m Sachin Kasana— a curious builder, systems thinker, and software architect with over a decade of experience crafting scalable and performance-first web applications. I’m passionate about clean architecture, building products that people love, and helping developers grow. Whether I’m coding backend logic, designing front-end flows, or optimizing performance, I bring care, clarity, and curiosity to everything I work on.

Architecture & Scaling

Designing clean, scalable systems using modern frameworks, microservices, and cloud-native tooling.

AI & Automation

Building smarter workflows using AI/ML to reduce manual effort and elevate developer productivity.

Mentoring & Growth

Helping devs grow into thoughtful engineers through mentorship, reviews, and system thinking.

JavaScript
TypeScript
Node.js
React
Next.js
MongoDB
Tailwind CSS
AWS

“Great systems are simple on the surface — but engineered with care underneath.”

Projects

Enterprise E-commerce Platform

Lead Engineer

Architected and led development of a large-scale e-commerce ecosystem for a global wellness brand. The platform supported thousands of daily orders, dynamic product catalogs, vendor-level pricing, and internationalization.

Node.jsMongoDBExpressReactAWS

Telecom Recharge & Self-Care Portal

Senior Software Engineer

Spearheaded the rebuild of a national telecom company’s recharge system and customer self-care portal. Handled complex workflows like prepaid/postpaid management, multi-factor auth, and wallet-based payments.

AngularJavaSpring BootRedisKafka

AI-Based Resume Optimization Tool

Side Project

Built an AI assistant that analyzes resumes and suggests real-time improvements using OpenAI. Includes section-wise scoring, ATS keyword suggestions, and dynamic formatting options.

FastAPIPythonOpenAITailwind

Digital Operations Dashboard

Principal Engineer

Designed and developed a data-driven internal dashboard for leadership to monitor KPIs, operational metrics, and team performance across multiple product lines.

Next.jsTypeScriptChart.jsDynamoDBLambda

Blog

Let’s Connect

Want to collaborate, talk tech, or just say hello? I’m always open to new opportunities and conversations.