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Hitachi Rail | chennai, India | Posted June 04, 2026
Position Overview
Description
:
Design, write, and optimize PostgreSQL queries including: Stored functions Triggers Views Complex joins and window functions High-performance queries Optimize PostgreSQL performance through: Index tuning Query plan analysis Partitioning (when needed) Build backend services using C# .NET and Python , integrating with PostgreSQL. Develop and maintain GraphQL APIs using Hasura connected to PostgreSQL. Apply strong transaction handling, error control, and concurrency management. Build both REST and GraphQL endpoints with proper validations and structured responses. Maintain database schemas, table designs, and relational structures. Troubleshoot issues related to: PostgreSQL performance Hasura metadata or GraphQL behavior Backend API logic Wri...