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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