Krishna P

About Krishna P

Data Engineer with 7+ years of experience in designing and building scalable…

Experience

1. Python Developer

   Cvs Pharmacy

   Jun 2023 — Present

   Designed and developed high-performance GraphQL APIs using FastAPI and Flask, enabling efficient data fetching with reduced network overhead.· Built and maintained gRPC-based microservices, improving communication efficiency and ensuring low-latency data exchange between services.· Developed serverless applications using AWS Lambda, Step Functions, and DynamoDB, optimizing resource utilization.· Integrated Snowflake as a data warehouse, designing ELT pipelines and leveraging Snowflake Streams & Tasks for real-time data processing.· Designed and optimized database queries and indexing strategies for PostgreSQL, Snowflake, and MongoDB, improving performance and reducing load times.· Implemented OAuth 2.0, JWT authentication, and API security best practices, ensuring compliance with SOC 2 and GDPR.· Led CI/CD pipeline automation using GitHub Actions, Terraform, Docker, Kubernetes, ensuring faster and reliable deployments.· Implemented event-driven architecture using Kafka and RabbitMQ, enabling real-time data streaming across distributed services.· Developed and optimized WebSocket-based communication protocols, improving real-time application interactions.· Integrated monitoring and logging pipelines using ELK Stack (Elasticsearch, Logstash, Kibana) and Prometheus/Grafana.· Worked closely with cross-functional teams to architect scalable solutions, reducing technical debt and improving maintainability.