Balaji Vinothkumar

Backend Developer | Python | Django | FastAPI

Backend developer focused on scalable APIs, real-time systems, and production-grade backend architecture using Python ecosystem.

Profile

Backend engineering, API systems, and scalable backend design.

Built backend systems using Django REST Framework and FastAPI with JWT authentication, WebSockets, AsyncIO, and MySQL optimization. Actively solving DSA problems for interview preparation and system design readiness.

Projects

Production-style backend projects

Real-Time Voice Translation System

FastAPI | WebSockets | AsyncIO | Whisper | Azure Speech

  • Real-time streaming backend using WebSockets
  • AsyncIO-based concurrent processing
  • Speech-to-text pipeline integration
FastAPI WebSockets AsyncIO

AskAI Assistant Backend

Django | DRF | AI Integration

  • REST API backend for AI-based query handling
  • Modular Django REST architecture
Django DRF AI

Task Management API

Django | JWT | MySQL

  • Secure CRUD API with authentication
  • Role-based access control system
Django JWT MySQL

DSA Practice

Interview-focused problem solving

Core Topics

  • Arrays, Strings, Hash Maps
  • Linked Lists, Stack, Queue
  • Recursion, Sorting, Searching
  • Time & Space Complexity Analysis
  • Problem-solving patterns (sliding window, two pointers)
LeetCode GeeksForGeeks Problem Solving

Contact

Email: balajivinothkumar.dev@gmail.com

Phone: +91-9500547928

Location: Bangalore, India