Raghul Sudharsan

Associate Engineer @Altimetrik

Chennai, IN

Project: Freight Verify | Backend Engineer - Logistics DomainPython · FastAPI · PostgreSQL · Redis · MongoDB · AWS · Auth0Built and maintained microservices-based backend systems for a US-based real-time shipment tracking platform.Key Highlights- Designed 10+ RESTful APIs achieving ~0.3s response latency under concurrent load- Enforced ACID-compliant PostgreSQL transactions ensuring 99.9% data integrity- Integrated Redis caching, cutting DB round-trips by ~40%- Implemented AWS load balancing to eliminate single points of failure- Delivered GxP-compliant workflows with full audit trails meeting regulatory standards- Built mobile app PoC with Auth0 OAuth2 for secure, role-based access control- Resolved 20+ critical production bugs in direct collaboration with US client stakeholdersProject: Lululemon | Data Engineer - Retail DomainKafka · Airflow · PostgreSQL · Snowflake · AWS · SonarQubeEngineered large-scale retail data reconciliation and quality pipelines for one of North America\'s leading athleisure brands.Key Highlights- Processed millions of retail records daily with >99% cross-system accuracy- Built Kafka pipelines sustaining sub-second message delivery latency at scale- Managed 15+ Airflow DAGs with SLA monitoring and automated breach alerting- Applied ACID transactions across PostgreSQL to prevent data loss during bulk ops- Integrated SonarQube into CI/CD pipelines, enforcing code quality and reducing technical debt- Delivered GxP-aligned reconciliation pipelines supporting regulatory compliance- Leveraged AWS S3, Lambda, EC2 + Snowflake for scalable analytical infrastructure