Design Verification · Interview Questions

Interview process

A DV loop opens with a resume-led hiring-manager round, then four technical rounds that weight live coding, UVM methodology, project depth, and behavioral signal. Coding and methodology carry the most weight (~60% combined), so a clean SystemVerilog/UVM coding pad and story-ready projects both matter.

The rounds, in order

5 rounds
  1. 1

    Hiring manager round

    45–60 min · hiring manager

    Resume-led screen that also samples coding and behavioral signal

    What they ask
    • Walk through your resume, then go deep on one project (~70–80% of the round)
    • Your specific role and responsibilities versus the team's
    • A short Verilog/SystemVerilog coding question (~10%)
    • One or two behavioral prompts — ownership, conflict, deadlines (~10%)
  2. 2

    Coding round

    45–60 min · video + coding pad≈30% weight

    Live SystemVerilog/Verilog and language depth

    What they ask
    • Write clean SystemVerilog on a shared pad — classes, queues, constraints
    • rand vs randc, constraint solve order, and fork/join variants
    • OOP: inheritance, polymorphism, virtual methods, deep vs shallow copy
    • A small algorithmic problem (arrays/strings) in SV or C
  3. 3

    Coding + methodology round

    60 min · onsite panel + coding≈30% weight

    UVM testbench architecture on top of live coding

    What they ask
    • Build a UVM env for a given DUT — agent, sequencer, driver, monitor, scoreboard
    • Coverage model and a concrete closure plan (bins, crosses)
    • Scoreboard / reference-model and end-to-end data checking
    • Write an SVA property and debug a failing seed from a waveform
  4. 4

    Resume-based round

    45–60 min · onsite panel≈20% weight

    Deep dive on your projects and real contributions

    What they ask
    • End-to-end walkthrough of a project you owned
    • Your verification plan — features, stimulus, checks, and coverage you drove
    • The hardest bug you root-caused, from symptom to fix
    • Trade-offs and decisions you personally made
  5. 5

    Behavioral round

    45 min · hiring manager / peer panel≈20% weight

    Ownership, collaboration, and closure under pressure

    What they ask
    • A time you protected quality under a slipping schedule
    • A disagreement with a designer or lead and how you resolved it
    • A failure or escaped bug and what you changed afterward
    • Thoughtful questions for the team

How to prepare

  • Resume stories: rehearse each project end to end and lead with your own role and responsibilities, not the team's.
  • Coding: drill SystemVerilog on a shared pad — constraints (rand/randc, solve-before), OOP, queues and arrays — plus one C/algorithm warm-up.
  • Methodology: be able to whiteboard a full UVM environment (agent, sequencer, driver, monitor, scoreboard) and defend your coverage-closure plan.
  • Debug: prepare a real story — symptom → hypothesis → waveform evidence → root cause → fix — and be ready to write an SVA property live.
  • Behavioral: have two or three STAR stories on ownership, conflict, and a deadline where you protected quality.

Practice these sub-domains

Drill leveled questions for each area of the Design Verification loop.