Sr. Software Engineer (React/.Net)
Posted Aug 26, 2026 · We last checked this listing on Oct 6, 2026
Likely interview questions for this role
Written from this job description, not a generic list. Each one notes what the interviewer is really checking.
About your past
Tell me about a time you worked with business users to understand what they needed.
What they are checking: Whether they partner with business users to understand and solve real problems, not just take tickets.
Tell me about legacy code you improved. How did you avoid breaking things?
What they are checking: Whether they improve legacy code carefully, with tests and small changes, so nothing breaks for users.
What would you do
On a small team, you may own a feature from database to UI. How do you keep quality high without a separate QA team?
What they are checking: Ownership of testing and quality in a small development group.
A distributor reports the app is slow during busy hours. How do you find the problem?
What they are checking: Whether they can find a performance problem across the front end, the API and the database.
A business partner wants a feature by next week that you think needs a month. What do you do?
What they are checking: Whether they give honest estimates and offer a smaller first version instead of overpromising.
About the work
Walk me through how you would build a React front end on a .NET API for an application distributors use every day.
What they are checking: Full-stack skill across the React and .NET stack the posting names.
How do you design an API so it stays stable as the front end changes?
What they are checking: Whether they design APIs that stay stable so front-end changes do not break existing clients.
How do you manage state in a React application as it grows?
What they are checking: Whether they make sound choices about state management as a React application grows larger.
How do you handle authentication and authorization for outside users like distributors?
What they are checking: Whether they understand the security risks of opening a business application to outside users like distributors.
How do you review a teammate's code?
What they are checking: Whether their code reviews focus on correctness and clarity and help teammates rather than just criticize.
How do you write SQL or Entity Framework queries that stay fast as data grows?
What they are checking: Whether they write database queries that stay fast as data grows over years of use.
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Practice this out loudThe full job description
As published by Milwaukee Tool.