Sirisha Oleti

Python Developer with 2+ years of hands-on experience in building scalable backend systems and APIs using FastAPI, Django, and Flask. Experienced in WhatsApp Business (Meta Graph) APIs, message-driven architectures using ActiveMQ, and analytics data processing with MySQL. Hands-on exposure to NLP, LLM concepts, and chatbot development. Strong problem-solving skills with a focus on performance, scalability, and clean architecture.

Python Developer at Vectramind Technologies Pvt. Ltd. (2023-10 – Present)

Python Developer at Vectramind Technologies Pvt. Ltd. (2024-09 – Present)

Customer Engagement Platform (WhatsApp Messaging, Analytics & AI)

• Designed and developed FastAPI-based microservices to process high-volume WhatsApp webhook events using Apache ActiveMQ.
• Integrated Meta WhatsApp Business Graph APIs to fetch conversation, messaging, and pricing analytics using secure, dynamic API calls.
• Implemented DND, subscribe/unsubscribe, and control-key management with optimized in-memory caching to reduce database load.
• Designed MySQL schemas and wrote optimized queries for analytics data, conversation logs, and customer metadata.
• Implemented timezone-aware conversion of Unix timestamps to human-readable datetime formats for accurate reporting.
• Refactored Django-based services to FastAPI using Pydantic for strict validation and improved performance.
• Built robust logging and exception-handling mechanisms to ensure fault-tolerant message processing and analytics ingestion.
• Contributed to chatbot and NLP-based features for intent detection, sentiment analysis, and conversational insights.

Python Developer at Vectramind Technologies Pvt. Ltd. (2024-01 – Present)

Wysecast – Business Intelligence Platform

• Developed backend components for an enterprise-ready business intelligence platform supporting interactive dashboards and visualizations.
• Integrated multiple relational databases and ensured seamless data flow for analytics and reporting.
• Wrote and optimized SQL queries to support dashboards, filters, and user-driven reports.
• Customized dashboards and managed role-based access control to ensure data security.
• Monitored and optimized platform performance to improve query execution and visualization rendering.

Bachelor of Technology in Electronics & Communication Engineering – JNTUK University (2020)