Backend Engineer at Nextunis / Freelang - Freelancing Platform Development

Developed a recommendation engine using Django and collaborative filtering to match freelancers with relevant jobs. Built real-time messaging with Django Channels and WebSockets, supporting 500+ concurrent users with 99.9% uptime. Implemented dual notification system (real-time + email) using Celery and Redis, increasing user engagement by 25%. Designed multi-criteria search with Elasticsearch, reducing search time from 3s to 0.4s. Built ETL pipeline and data warehouse using PostgreSQL and Pandas, processing 10K+ transactions daily. Achieved 80% test coverage with pytest and Django TestCase, reducing production bugs by 40%. Developed escrow payment system integrating Stripe and Flutterwave APIs. Deployed on DigitalOcean with Docker and Nginx, supporting 2,000+ active users.

AI & IoT Engineer at Independent Contractor

AI-powered facial recognition system for employee presence tracking achieving 95% accuracy. Built distributed IoT architecture using ESP32-CAM, Raspberry Pi, and Firebase for real-time access control across 5 factory entry points. Trained and deployed facial recognition models on Raspberry Pi 4, reducing authentication time to under 2 seconds. Implemented Firebase-based cloud sync and access logging enabling real-time monitoring and audit reporting.

Backend Engineer at Mobilite – MindCare AI

Django-based mental health platform connecting users with licensed psychiatrists. Built AI engine using PyTorch and NLP models for mood analysis, achieving 85% sentiment classification accuracy and reducing therapist matching time by 40%. Implemented RAG-based chatbot using Langchain and FAISS for context-aware mental health support. Developed secure booking system and real-time messaging using Django Channels, WebSockets, and JWT authentication. Built user tracking dashboard with PostgreSQL and Redis for clinicians to monitor patient histories. Implemented automated notification system using Celery and SendGrid, reducing missed appointments by 30%. Deployed crisis detection system using a trained BERT model to alert support teams for high-risk users.

AI Backend Developer at Upwork – Freelance

Developed Django-based AI backend with JWT authentication, social login, and FAISS-powered semantic search chatbot. Built document embedding pipeline using Sentence Transformers and FAISS for sub-second semantic search. Automated FAISS index lifecycle management using Django management commands and achieved 85% test coverage with pytest.

Backend Engineer at Freelanso (Nextunis – Freelancing Platform)

Developed a recommendation engine using Django with collaborative filtering to match freelancers with relevant jobs. Built a real-time messaging system using Django Channels and WebSockets, supporting 500+ concurrent users with 99.9% uptime. Implemented dual notification (real-time + email) using Celery and Redis, increasing user engagement by 25%. Designed a multi-criteria search with Elasticsearch, reducing search time from 3s to 0.4s. Built ETL data pipeline and data warehouse with PostgreSQL and Pandas processing 10K+ transactions daily. Achieved ~80% test coverage with Pytest and Django TestCase, reducing production bugs by ~40%. Developed escrow payment integration with Stripe and Flutterwave APIs. Deployed the app on DigitalOcean with Docker and Nginx, supporting 2,000+ active users.

AI & IoT Engineer (Independent Contractor) at Factory Access Control Project

Designed AI-powered facial recognition system for employee presence tracking, achieving 95% accuracy. Built distributed IoT architecture using ESP32-CAM, Raspberry Pi, and Firebase for real-time access control across 5 factory entry points. Trained and deployed facial recognition models on Raspberry Pi 4, reducing authentication time to under 2 seconds. Implemented Firebase-based cloud sync and access logging, enabling real-time monitoring and audit reporting.