Hemanth Sai
AI Engineer, Data Scientist | 12+ yrs in ML, MLOps, and GenAI | Expert in LLMs, RAG, Time Series, AWS/GCP | Building Real-World AI Systems
- Role
- Sr Python Developer at Johnson & Johnson
- Location
- Fremont, CA, US
- LinkedIn followers
- 500 followers
About Hemanth Sai
Data Engineer with 6+ years of experience building resilient cloud-native pipelines…
Experience
Sr Python Developer
Apr 2024 — Present · Santa Clara, CA, US
Developed Python-based backend services and APIs using FastAPI and Flask to support analytics and internal business applications.• Designed scalable Python microservices deployed on AWS using Lambda and container-based workloads.• Built automated data ingestion and processing pipelines in Python, improving processing reliability and reducing failures across enterprise workloads.• Implemented robust exception handling, retry logic, and circuit breaker patterns to ensure system resilience.• Integrated third-party APIs using Python with exponential backoff retry strategies to ensure stable data ingestion.• Optimized Python data processing jobs using PySpark and distributed computing on AWS EMR, improving execution efficiency.• Designed reusable Python modules and libraries to standardize ingestion and transformation logic across multiple services.• Collaborated with DevOps teams to implement CI/CD pipelines for Python services using AWS CodePipeline and Git.• Built monitoring and logging frameworks to track application health and diagnose failures quickly.Environment: Python, FastAPI, Flask, AWS (Lambda, S3, Glue, EMR, CloudWatch, SNS, CodePipeline), PySpark, REST APIs, Git, Microservices.
Education
Osmania University
BSC Maths, Physics and Chemistry, MA
1981 — 1984
APSH SCHOOL, MALAKPET,HYDERABAD
BSC, MA
1973 — 1979
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