Hitachi

Role: Power System Software Developer

College: Not Specified

Interview Date: September 2022

Interview Type: Full Time

Result: Accepted offer

Difficulty: Not Specified (implied challenging for technical rounds due to specific domain knowledge)

Rounds: 4 rounds

Topics Asked: Coding (pointers, dynamic memory allocation in C/C++, strings, arrays, references), Power System (load flow/optimal load flow, unit commitment, state estimation, energy market), Previous experience, Challenges, Education background, Behavioral (why leave, why Hitachi, strengths/weaknesses, what liked most in previous company), CTC negotiation

Experience:

The interview process for a Power System Software Developer position at Hitachi Energy involved four rounds. Round 1, a Technical (India) round, included questions related to both coding and power systems. Coding questions covered pointers, dynamic memory allocation in C/C++, strings, arrays, and the use of references, often application-based. Power system questions included load flow/optimal load flow, unit commitment, state estimation, and energy market-related topics, with one question on unit commitment requiring a paper-based solution. Round 2, a Technical (US) round, focused on coding and the candidate's previous software developer experience, including work, challenges, and educational background. Round 3 was a Managerial (US) round, primarily behavioral, asking about reasons for leaving the previous company, interest in Hitachi, strengths, weaknesses, and positive aspects of the past job. The final HR (India) round involved a self-introduction and CTC negotiation. The interviewers were described as friendly, and the candidate accepted the offer.