Sai Sumana Brungi

Architected and delivered an AI-Powered Customer Intelligence Platform using React.js, Spring Boot, OpenAI APIs, and PostgreSQL to surface personalized banking insights and automate customer-support workflows. Built production Retrieval-Augmented Generation (RAG) pipelines with vector embeddings, LLM orchestration, and retrieval guardrails over secured financial knowledge bases, improving response accuracy by 35%. Designed event-driven microservices on Kafka, Docker, and AWS for real-time transaction processing, reducing end-to-end API latency by 40%. Shipped AI-assisted fraud detection using Python and scikit-learn, reducing false-positive alerts by 28%. Automated CI/CD with GitHub Actions, Terraform, and containerized deployments, improving release reliability across distributed teams. Partnered with product, data science, and security teams to deliver compliant AI features including OAuth 2.0, RBAC, model governance, observability, and responsible-AI guardrails.

Delivered core features of the SmartRetail Commerce Platform using React.js, Node.js, Express.js, and PostgreSQL, streamlining online order management and customer interactions. Developed 15+ reusable React components to improve UI consistency and remove duplicate code. Built RESTful API integrations with Express.js for data exchange between frontend applications and backend business systems. Optimized SQL queries and PostgreSQL schema to reduce average page response time by 25%. Authored Jest unit and integration tests achieving 85% test coverage on critical workflows. Delivered 20+ user stories in Agile Scrum and resolved 30+ production defects through root-cause analysis to ensure stable, scalable delivery.