Interview scorecard template

Android Developer interview scorecard

Evaluate Android Developer candidates across 4 weighted areas: technical proficiency, systems and trade-offs, evidence and rigour, and collaboration and communication. Technical proficiency leads at 35%, so check depth in Kotlin coroutines, Jetpack Compose versus XML views, lifecycle handling, Room, Hilt or Dagger, and Gradle build variants; ask what they debugged with Android. Use the rubric to compare role-specific evidence consistently.

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software dataandroidjetpack composekotlinmobile architectureplay store
TL;DR
For technical proficiency, look for evidence the candidate names concrete APIs and libraries, explains coroutine scoping and recomposition pitfalls, and shows fluency with Gradle modules and dependency injection. For systems and trade-offs, look for evidence the candidate justifies architecture against real constraints like fragmentation, background limits, and memory, citing measured before and after numbers. Apply the written 1–5 anchors to every answer, record the evidence behind each rating, and use the factor weights to reach a consistent overall assessment.
Complete evaluation framework

What to assess and how to score it

Review the evidence signals before interviewing. Then use the anchored descriptions—not instinct alone—to choose the score that best matches each answer.

01
Evaluation factor

Technical proficiency

35% weight

Check depth in Kotlin coroutines, Jetpack Compose versus XML views, lifecycle handling, Room, Hilt or Dagger, and Gradle build variants; ask what they debugged with Android Studio Profiler.

Evidence to listen for

  • Command of the languages, frameworks, and data tools the role actually uses
  • Understands correctness, performance, and failure modes, not just syntax
  • Has opinions on testing and can justify them
  • Reads and reasons about code they did not write

Five-point scoring guide

1
Poor

Cannot work independently; fundamentals are missing.

2
Needs Improvement

Weak fundamentals; output needs heavy review.

3
Satisfactory

Competent for the role; needs guidance on complex or unfamiliar work.

4
Very Good

Strong practitioner; handles hard problems with little guidance.

5
Excellent

Names concrete APIs and libraries, explains coroutine scoping and recomposition pitfalls, and shows fluency with Gradle modules and dependency injection.

02
Evaluation factor

Systems and trade-offs

25% weight

Probe architecture choices: MVVM or MVI, offline-first sync, WorkManager scheduling, minSdk trade-offs, and how they cut APK size, cold start time, or battery drain.

Evidence to listen for

  • Reasons about scale, latency, cost, and failure before writing code
  • Names the trade-off they chose and what they gave up
  • Understands the data lifecycle end to end
  • Anticipates what breaks at ten times the volume

Five-point scoring guide

1
Poor

No thinking beyond the immediate task; no awareness of scale or failure.

2
Needs Improvement

Limited architectural awareness; struggles with design decisions.

3
Satisfactory

Works within an existing design; makes sound local decisions.

4
Very Good

Designs for scale and maintainability; articulates trade-offs clearly.

5
Excellent

Justifies architecture against real constraints like fragmentation, background limits, and memory, citing measured before and after numbers.

03
Evaluation factor

Evidence and rigour

25% weight

Assess how they verify releases: Espresso and JUnit coverage, Firebase Crashlytics triage, ANR rates, staged Play Console rollouts, and evidence behind a rollback decision.

Evidence to listen for

  • Validates results rather than trusting output
  • Knows how their work is measured and what a bad result looks like
  • Can describe a time their own analysis or model was wrong and how they caught it
  • Careful about data quality, leakage, and silent failure

Five-point scoring guide

1
Poor

Ships unvalidated work; no notion of how correctness is checked.

2
Needs Improvement

Validates superficially; misses obvious quality or leakage issues.

3
Satisfactory

Reasonable checks in place; rigour drops under time pressure.

4
Very Good

Validates thoroughly; can name a real error they caught in their own work.

5
Excellent

Quotes crash-free session rates, ANR thresholds, and uses instrumentation plus phased rollout data before declaring a build healthy.

04
Evaluation factor

Collaboration and communication

15% weight

Look for how they work with iOS peers, backend teams on API contracts, and designers on Material 3 specs; ask about a code review disagreement they resolved.

Evidence to listen for

  • Explains technical work to non-technical stakeholders
  • Gives and takes code or peer review constructively
  • Documents enough that the work survives their absence
  • Aligns with team process rather than working around it

Five-point scoring guide

1
Poor

Cannot work in a team; resistant to feedback.

2
Needs Improvement

Communication issues create rework; lone-wolf tendencies.

3
Satisfactory

Adequate team member; documentation and review participation are light.

4
Very Good

Communicates well; reliable reviewer and collaborator.

5
Excellent

Describes negotiating API payloads and design fidelity concretely, gives reviewable feedback, and documents decisions the rest of the team can follow.

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