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Sai B
Mid-level Python & AI/ML Engineer specializing in backend systems for FinTech and Healthcare
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Solo builder with strong Python-centric full-stack experience spanning event-driven fraud systems and AI agents. They designed a Kafka/FastAPI/PostgreSQL pipeline for real-time fraud scoring and also built a LangChain-based agent with Tavily search, showing a practical blend of backend architecture, LLM integration, and reliability-minded product thinking.
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Key Strengths
- Built end-to-end event-driven fraud detection pipeline
- Strong backend systems design for streaming architectures
- Designed idempotent scoring flow to handle ordering and duplicate-processing issues
- Improved pipeline performance with async processing and Redis caching
- Hands-on reliability validation through end-to-end transaction tracing
- Built AI agent end to end with tool use and orchestration
- Thoughtful AI quality framing using tool-call success, groundedness, and task completion
- Pragmatic zero-to-one builder with phased validation approach
- Focus on transparent AI UX with visible retrieval and checkable outputs
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