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Swathi Sankaran
Senior Python Full-Stack Developer specializing in cloud, data engineering, and ML/GenAI
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About
Backend/data engineer with hands-on production experience building FastAPI services on AWS and implementing strong reliability/observability (CloudWatch, ELK, correlation IDs, alarms). Has delivered serverless + container solutions with IaC (CloudFormation/Terraform) and Jenkins CI/CD, and built AWS Glue/PySpark pipelines into S3/Redshift with schema-evolution and data-quality safeguards; demonstrated large-scale SQL tuning (45 min to 3 min on a 500M-row workload).
Experience
Education
Key Strengths
- Built and operated production FastAPI REST services on AWS with strong reliability patterns (JWT auth, timeouts, retries, centralized error handling)
- Strong observability implementation (structured logging, correlation IDs, CloudWatch + ELK, alarms, health/readiness endpoints)
- Delivered AWS solutions using Lambda + ECS with CI/CD (Jenkins) and IaC (CloudFormation/Terraform) across environments
- ETL/data engineering with AWS Glue + PySpark, including schema evolution handling and data quality controls (validation, quarantines, retries/alerts)
- Legacy reporting pipeline modernization to Glue/Redshift with row-by-row parity validation and phased parallel-run migration
- Proven SQL performance optimization: reduced query runtime from 45 minutes to 3 minutes on a ~500M-row join via indexing and partition pruning
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