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Senior Software Development Engineer Interview Questions

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1,239 senior software development engineer interview questions shared by candidates

he interview process will consist of three rounds: Round 1 – Problem Solving and Automation Fundamentals This round will primarily focus on Data Structures and Algorithms (with coding problems at a LeetCode medium level of difficulty). Along with that, there will be questions around automation frameworks and Selenium, covering both conceptual understanding and practical implementation aspects. Round 2 – API, Database, and Advanced Testing Concepts In the second stage, you can expect a mix of problem-solving questions (again, LeetCode medium level) along with in-depth discussions on API testing methodologies. Topics will likely include database concepts, querying, and validation, as well as practical API testing using tools such as Postman. This round is designed to evaluate both your coding ability and your applied knowledge in backend/API validation. Round 3 – Founder/Leadership Discussion The final round will be with the founder and will lean more toward open-ended, real-world problem scenarios. The focus here will be on how you approach practical challenges, structure solutions, and apply your technical expertise to business-driven problems. It is less about pure coding and more about analytical thinking, problem decomposition, and solution design.
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Senior Software Development Engineer In Test (SDET)

Interviewed at FinBox

4★
Sep 23, 2025

he interview process will consist of three rounds: Round 1 – Problem Solving and Automation Fundamentals This round will primarily focus on Data Structures and Algorithms (with coding problems at a LeetCode medium level of difficulty). Along with that, there will be questions around automation frameworks and Selenium, covering both conceptual understanding and practical implementation aspects. Round 2 – API, Database, and Advanced Testing Concepts In the second stage, you can expect a mix of problem-solving questions (again, LeetCode medium level) along with in-depth discussions on API testing methodologies. Topics will likely include database concepts, querying, and validation, as well as practical API testing using tools such as Postman. This round is designed to evaluate both your coding ability and your applied knowledge in backend/API validation. Round 3 – Founder/Leadership Discussion The final round will be with the founder and will lean more toward open-ended, real-world problem scenarios. The focus here will be on how you approach practical challenges, structure solutions, and apply your technical expertise to business-driven problems. It is less about pure coding and more about analytical thinking, problem decomposition, and solution design.

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