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ADPFull Stack Engineer
Updated Jun 10, 2025

ADP Full Stack Engineer Interview Experiences 2026

Real, anonymous reports from people who interviewed for Full Stack Engineer at ADP, newest first and distilled into what to expect across the loop.

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Hot & recentNewest first
> 1 year
Average Positive Hyderābād

I had a more engineering-deep interview path that leaned heavily into web back-end and database topics. The technical discussions covered things like API work and status codes, plus core C#/.NET Core and ASP.NET Core concepts. I also got pulled into database specifics—SQL Server, Entity Framework Core, stored procedures, and even related tooling—along with LINQ and stored-procedure style thinking.

There was a strong practical feel to it: we talked about joins and optimization, and the questions tied back to building and debugging real requests rather than abstract theory. I remember going through an interview cadence that included a phone technical coding round, then additional technical discussion with a team lead, and a later interview with a different interviewer who continued probing the same general thread.
> 1 year
Difficult Negative Parsippany, NJ

The process felt oddly performative to me, and the details matched that frustration. My first step went well over Zoom and felt like a genuine conversation. That made me optimistic enough that when the recruiter invited me for an onsite, I budgeted real time and money for travel to Parsippany.

At the onsite, the tone shifted sharply right when the manager joined. The interview turned hostile and disrespectful in a way that stood out as unprofessional, especially when I tried asking questions. After that, two developers joined for their rounds back-to-back—both seemed more approachable, but I could tell they were exhausted and just going through the motions.
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