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Kumar RajKR
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Kumar Raj

@kumarraj1

Backend developer building FastAPI platforms, including a healthcare appointment SaaS with optimized analytics queries.

India
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I built Apna Bhagalpur, a healthcare appointment platform with patient, clinic, and super-admin workflows. I reduced SQL queries on super-admin analytics endpoints from 172 to 3 using SQLAlchemy aggregation and composite indexes.

For Apna Bhagalpur, I also implemented clinic-scoped WebSocket updates for appointment status and queue synchronization. I secured API endpoints with JWT authentication and role-based authorization, and added rate limiting, audit logging, backups, and monitoring.

I built and deployed Bhagalpur Stays, a hotel-booking MVP with role-based dashboards and booking workflows. I also built Yatra Planner, a travel-planning website with interactive budget calculators, live weather data, and personalized PDF exports.

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KM

KCC Institute of Technology & Management

Bachelor of Technology, Computer Science Engineering (AI & Machine Learning)

2022 -

Grade: 7.39/10

Pursuing a Bachelor of Technology in Computer Science Engineering with a focus on AI and Machine Learning, maintaining a CGPA of 7.39/10.

HT

HCL Technologies

Training Program Certificate, Software Development

2024 - 2025

Completed a structured technical training program covering industry software-development practices, tools, and workflows.

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