Backend Development (Django/FastAPI) - Architected and developed multi-service microservices platform with Django REST Framework and FastAPI - Implemented comprehensive RESTful API with 50+ endpoints supporting multi-tenant SaaS architecture - Built role-based access control (RBAC) system with 5 user roles and company-scoped data isolation - Designed and implemented anonymous session management for secure anonymous feedback collection

AI/ML Integration - Implemented multimodal sentiment analysis system (text, audio, combined) using OpenAI GPT-4o and Whisper-1 - Built Ridge Regression ML model for KPI prediction (sentiment, productivity, retention, revenue metrics) - Developed automated model training pipeline and feature extraction system - Integrated Azure Cognitive Services as fallback for high availability

Third-Party Integrations - Implemented OAuth 2.0 flows for Slack and Microsoft Teams integrations - Built webhook handlers for real-time message processing and feedback submission - Created HRIS integration (Simplr) for user synchronization and feedback link management - Developed secure token management and refresh mechanisms

Frontend Development (React/TypeScript) - Built responsive React application with TypeScript and Tailwind CSS - Developed comprehensive dashboards (Company, Employee, Admin) with real-time analytics - Created 30+ reusable components with form validation and error handling - Implemented role-based routing and authentication flows

DevOps & Infrastructure - Containerized all services with optimized multi-stage Dockerfiles - Configured CI/CD pipeline with GitHub Actions for automated deployments - Set up monitoring stack (Grafana Loki, Prometheus, Seq) for observability - Implemented API Gateway using .NET YARP for service orchestration - Optimized Docker builds reducing image sizes by 60%+