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Projects

Systems I've designed and built from the ground up.

2024Featured

HTML to PDF Serverless Service

High-performance HTML-to-PDF conversion using Puppeteer Core on AWS Lambda with optimized cold-start and concurrent generation support.

Node.jsPuppeteerAWS LambdaS3
2024Featured

Payment Reconciliation & Reporting System

Python-based reconciliation system matching payment gateway transactions with internal order records, processing large CSV datasets with automated mismatch reporting.

PythonPandasPostgreSQLCron
2023Featured

RM Hierarchy Management System

Hierarchical RM-client relationship system using Nested Set Model in MongoDB for efficient tree traversal and complex hierarchy queries.

Node.jsMongoDBExpress.jsNested Set Model
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Building scalable backend systems that power fintech.

© 2026 Ajay Singh Taknet. Crafted with ❤️ using Next.js