Design, build, and maintain a scalable open-source data lakehouse platform (S3, Apache Iceberg, ClickHouse). Develop and optimize ETL/ELT pipelines and orchestration (Temporal), ensure platform reliability and performance, collaborate with data scientists and engineers, and implement data quality, governance, and security best practices. Focus on batch processing and cloud-native microservices environments.

Build and maintain scalable frontend and backend features end-to-end using React, Node.js and PostgreSQL on AWS. Write secure, tested code, improve CI/CD and observability, use AI tools, investigate production issues, and collaborate across product, data, DevOps, and customer teams.