R&D Experienced Professional- DB & Backend Developer - IDC

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The opportunity:
Join Hitachi Energy’s India Development Centre (IDC), an R&D organization in Chennai and Bangalore. You will work 
with global R&D and research centers across 12 countries. You will help design and deliver digital solutions and product 
capabilities. You will build modern, secure, high-performing user interfaces. You will collaborate with cross-functional 
teams, contribute to engineering best practices, and mentor other developers.

How you’ll make an impact:

• Design, write, and optimize complex PostgreSQL queries, including stored functions, triggers, views, joins, and window functions.

• Improve database performance through index tuning, query plan analysis, and partitioning when needed.

• Build backend services using C#/.NET and/or Python, integrated with PostgreSQL.

• Develop and maintain GraphQL APIs using Hasura on top of PostgreSQL.

• Build REST and GraphQL endpoints with validations and structured responses.

• Apply strong transaction handling, error control, and concurrency management. Write unit, integration, and database tests, and document SQL routines, backend logic, and API schemas.

• Responsible for ensuring compliance with applicable external and internal regulations, procedures, and guidelines.

• Hitachi Energy’s core values safety and integrity, which means taking responsibility for your own actions while caring for your colleagues and the business.

Your Background:

• Required experience: 4 - 6 years working with relational databases, with deep expertise in PostgreSQL.

• Strong experience with PL/pgSQL, stored routines, triggers, window functions, query tuning, and indexing strategies.

• Strong knowledge of PostgreSQL locking, deadlocks, and concurrency/isolation levels.

• Required 5+ years developing backend applications with C#/.NET and/or Python. 2+ years working with GraphQL and Hasura on PostgreSQL.

• Strong understanding of REST API design and backend architecture.

• Experience using Git and standard development workflows.

• Opportunities to learn, mentor, and grow through challenging product development work. Primary location: Chennai (India Development Centre (IDC)).

More about us:
Excited about a new opportunity? If this sounds like you, we’d like to see your application! Our selection process is 
ongoing, so don’t wait—apply today!

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