Job description
Location:
Chennai, Tamil Nadu, India
Job ID:
R0127537
Date Posted:
2026-04-30
Company Name:
HITACHI ENERGY TECHNOLOGY SERVICES PRIVATE LIMITED
Profession (Job Category):
Engineering & Science
Job Schedule:
Full time
Remote:
No
Job 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 tests, and database tests.
- Document SQL routines, backend logic, and GraphQL schema structures.
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