Subrat kumar Sahu

I design and scale distributed systems, real-time data pipelines, and microservices using Python, FastAPI, Apache Kafka, and Spark, with 5 years of experience. I specialize in event-driven architectures and cloud-native development (AWS, GCP, Azure), building high-performance, reliable, and cost-efficient systems at scale.

Software Engineer - III at Carelon Global Solutions (2024-06 – Present)

• Built event-driven microservices using Python, FastAPI, and Kafka to orchestrate and route streaming data across systems based on dynamic configuration.
• Developed scalable backend solutions for insurance domain workflows, implementing complex business logic and optimizing data processing with Snowflake.
• Designed ML orchestration services handling request validation (Pydantic), model inference, and persistent storage, enabling reliable and efficient prediction workflows.
• Improved system reliability and fault tolerance by implementing DLQ mechanisms, centralized logging (PostgreSQL), and deploying services on GCP GKE, Cloud Storage).

Data Specialist at Futurense Technologies (2022-12 – 2024-05)

• Built data pipelines using PySpark, Pandas, and AWS S3, Athena) to process vehicle service and billing datasets (~10 million records).
• Integrated multi-source datasets including job cards, billing data, vehicle metadata, and geographic mappings to enable unified analytics.
• Delivered analytics to identify high-failure vehicle categories, cost drivers, and warranty trends, contributing to a ~20% reduction in warranty costs.
• Orchestrated workflows using Apache Airflow and deployed pipelines on EC2, improving reliability and reducing manual effort.

Software Engineer at Capgemini (2021-10 – 2022-12)

• Built data pipelines using PySpark and Azure Databricks to process structured data.
• Assisted in building and maintaining data pipelines for structured datasets in cloud-based environments.
• Collaborated with team members to deliver scalable data solutions supporting analytics and reporting use cases.
• Strengthened fundamentals in distributed systems, data processing, and cloud-native development.

B.Tech in ECE – Gandhi Institute for Technological Advancement (2017-08 – 2021-07)