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R&D Senior Engineer- Senior DB and Backend Developer -India Development Center

Hitachi Rail • Chennai, India

📍 Location
Chennai
⏰ Job Type
Full-time
📅 Posted
June 01, 2026

About the Role

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
  • Write unit tests, integration ...

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