https://sepuri-sai-krishna.pages.dev Senior Data Engineer specializing in Apache Spark, Apache Flink, Airflow, and scalable distributed systems. Projects, system designs, and AI experiments. en Fri, 26 Jun 2026 06:14:51 GMT https://sepuri-sai-krishna.pages.dev/blog/welcome https://sepuri-sai-krishna.pages.dev/blog/welcome Blog Thu, 25 Jun 2026 00:00:00 GMT What I'll be writing about — distributed systems, streaming, and building with AI. https://sepuri-sai-krishna.pages.dev/lab/sample-experiment https://sepuri-sai-krishna.pages.dev/lab/sample-experiment AI Lab Sat, 20 Jun 2026 00:00:00 GMT A placeholder showcasing how AI-generated content and experiments live in their own section. https://sepuri-sai-krishna.pages.dev/projects/kscan-ai https://sepuri-sai-krishna.pages.dev/projects/kscan-ai Projects Sun, 01 Mar 2026 00:00:00 GMT An AI-powered business-intelligence & credit-risk product at Perfios with deep insight on 30M+ Indian businesses across 750+ data sources. Showcased at GFF 2025. https://sepuri-sai-krishna.pages.dev/designs/cassandra https://sepuri-sai-krishna.pages.dev/designs/cassandra System Designs Sun, 01 Feb 2026 00:00:00 GMT Optimizing partition keys for IoT data — a system-design blueprint for Apache Cassandra. https://sepuri-sai-krishna.pages.dev/projects/real-time-stream-stitch https://sepuri-sai-krishna.pages.dev/projects/real-time-stream-stitch Projects Thu, 15 Jan 2026 00:00:00 GMT A production-grade Spark application detecting possible stitches for every entity in real-time. https://sepuri-sai-krishna.pages.dev/projects/common-data-platform https://sepuri-sai-krishna.pages.dev/projects/common-data-platform Projects Mon, 01 Dec 2025 00:00:00 GMT End-to-end pipeline development and deployment using Airflow in declarative YAML format. https://sepuri-sai-krishna.pages.dev/projects/data-lakehouse-connector https://sepuri-sai-krishna.pages.dev/projects/data-lakehouse-connector Projects Sat, 01 Nov 2025 00:00:00 GMT Custom connector implementation using SeaTunnel and Flink to unify data access across heterogeneous sources. https://sepuri-sai-krishna.pages.dev/projects/data-refinement-engine https://sepuri-sai-krishna.pages.dev/projects/data-refinement-engine Projects Mon, 01 Sep 2025 00:00:00 GMT A refinement engine that turns a raw record into a rich/refined record via user-defined validations, transformations and derivations. https://sepuri-sai-krishna.pages.dev/projects/traffic-congestion-prediction https://sepuri-sai-krishna.pages.dev/projects/traffic-congestion-prediction Projects Wed, 01 Mar 2023 00:00:00 GMT Improved prediction accuracy with real-time streaming and online training using Probabilistic Machine Learning. https://sepuri-sai-krishna.pages.dev/opensource/aios-data-retrieval https://sepuri-sai-krishna.pages.dev/opensource/aios-data-retrieval Open Source Added a safer, more efficient data-retrieval implementation to AIOS, the AI Agent Operating System (⭐ 6k+). https://sepuri-sai-krishna.pages.dev/opensource/apple-container-network-service https://sepuri-sai-krishna.pages.dev/opensource/apple-container-network-service Open Source Removed an unsafe force-unwrap on the session dictionary, preventing potential runtime crashes. Merged into Apple's container project (⭐ 43k+). https://sepuri-sai-krishna.pages.dev/opensource/apple-container-processio https://sepuri-sai-krishna.pages.dev/opensource/apple-container-processio Open Source Replaced try! with try? for stdout/stderr writes so I/O errors fail gracefully instead of crashing. Merged into Apple's container project (⭐ 43k+). https://sepuri-sai-krishna.pages.dev/opensource/free-claude-code-validation https://sepuri-sai-krishna.pages.dev/opensource/free-claude-code-validation Open Source Strengthened the validation logic in the NimSettings pydantic model, hardening config handling. Merged into free-claude-code (⭐ 37k+).