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Practice-only question bank bank-v1 (2026-10-14): prompts remain DRAFT and are available for personal learning, not represented as reviewed or approved interview content.
Practising for the listing Senior Android Engineer. Its requirements are filled in below. When you have an answer you like, paste it with your CV in Career Mirror to see which of the job's skills it shows.

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Requirements found

None recognised — general questions are used.

What this posting asks for

Level: Senior — The title says "Senior".

Main responsibilities

  • Collaborate closely with designers, backend engineers, and product managers in order to deliver our high-quality, user-friendly rider application
  • Own the development and continuous improvement of Via's rider Android app - building new features across booking, account management, and the core rider jour…
  • Architect and evolve the mobile infrastructure services that power Via's apps, making thoughtful decisions about app architecture patterns, performance optim…
  • Mentor and guide engineers on the team - sharing your expertise in Android development, reviewing code thoughtfully, and helping others grow

Competencies an interviewer will look for

  • Technical skill Core
    In the posting: “Architect and evolve the mobile infrastructure services that power Via's apps, making thoughtful decisions about app architecture patterns, performance optim…” · “Mentor and guide engineers on the team - sharing your expertise in Android development, reviewing code thoughtfully, and helping others grow” · “Strong grasp of Android app architecture patterns, Jetpack Compose, and RESTful APIs.”
    Show it by: Names the tools, languages or systems used and how; Explains a technical choice and its trade-off.
  • Teamwork and collaboration Core
    In the posting: “You'll work on a product that has real, tangible impact on how people move through their cities, collaborating closely with designers, backend engineers, and…” · “Collaborate closely with designers, backend engineers, and product managers in order to deliver our high-quality, user-friendly rider application” · “A natural collaborator and mentor - you take ownership of your work, share knowledge generously, and make the engineers around you better”
    Show it by: Says what they did inside a team, not only what 'we' did; Shows how a disagreement was handled.
  • Problem solving Core
    In the posting: “Diagnose and resolve critical production issues under pressure, minimising disruption to riders and acting as a key line of defence when things go wrong in l…” · “Expertise in performance optimization, memory management, and debugging complex issues.”
    Show it by: Describes a real problem, the options considered and the one chosen; Shows how the cause was found, not just the fix.
  • Ownership and accountability Core
    In the posting: “Own the development and continuous improvement of Via's rider Android app - building new features across booking, account management, and the core rider jour…” · “A natural collaborator and mentor - you take ownership of your work, share knowledge generously, and make the engineers around you better”
    Show it by: Takes a task from start to finish without being chased; Owns a mistake and what was changed after it.
  • Leadership and mentoring Core
    In the posting: “Mentor and guide engineers on the team - sharing your expertise in Android development, reviewing code thoughtfully, and helping others grow” · “A natural collaborator and mentor - you take ownership of your work, share knowledge generously, and make the engineers around you better”
    Show it by: Describes setting direction or a standard others followed; Names someone they coached and what changed for them.
  • Attention to detail and quality Core
    In the posting: “You'll work on a product that has real, tangible impact on how people move through their cities, collaborating closely with designers, backend engineers, and…” · “Collaborate closely with designers, backend engineers, and product managers in order to deliver our high-quality, user-friendly rider application”
    Show it by: Gives an example of an error caught before it caused harm; Names the check or standard they used.
  • Data and analysis Supporting
    In the posting: “Our platform serves as the technology backbone for modern transit networks, transforming antiquated and siloed public transportation systems into smart, data…”
    Show it by: Uses a number to describe the situation or the result; Explains what the data showed and what was done with it.
  • Adaptability and learning Supporting
    In the posting: “Proactive and genuinely curious about new technologies - you don't wait to be told what to improve, and you bring energy and ideas to the team”
    Show it by: Describes learning something new quickly and using it; Shows a change of plan and how they adjusted.
  • Stakeholder management Supporting
    In the posting: “With hundreds of agency partners around the world, Via is recognized as the leading transportation technology and service provider globally.”
    Show it by: Shows how they aligned people with different goals; Explains how they handled a 'no' from someone senior.

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Practice questions

  1. Tell me about yourself. Dedicated step-by-step practice.
  2. If an interviewer asks something improper How to respond to questions about age, family, origin or health.
  3. Built from this posting (8):
  4. Walk me through a piece of work where you used your strongest technical skill. What exactly did you do? From this posting
  5. Describe a time you worked with another team to deliver something. What was your part? From this posting
  6. Tell me about a difficult problem you solved at work. How did you find the cause? From this posting
  7. Tell me about a task you took from start to finish without anyone asking you to. From this posting
  8. Tell me about a time you helped someone on your team get better at their work. From this posting
  9. Tell me about a time you used data or numbers to make a decision. From this posting
  10. Describe a time your plans changed suddenly. How did you adjust? From this posting
  11. Tell me about a time you had to get agreement from people who wanted different things. From this posting
  12. This posting reads as Software engineering: its questions come first.
  13. Tell me about the hardest bug you have tracked down. How did you find the cause? Software engineering
  14. Describe a technical design decision you made and the trade-off behind it. Software engineering
  15. Tell me about a time you disagreed with a teammate in a code review. Software engineering
  16. Production is down and you are the first engineer to notice. What do you do in the first 30 minutes? Software engineering
  17. How do you decide what to test before you ship a change? Software engineering
  18. Walk me through a feature you built from start to finish. What tools and languages did you use? Software engineering
  19. Tell me about a time you helped a less experienced engineer get unstuck. Software engineering
  20. Your estimate for a feature turns out to be badly wrong halfway through. What do you do? Software engineering
  21. Describe a time you handled an upset customer or colleague.
  22. Tell me about a time you had several deadlines at once. How did you decide what to do first?
  23. Give an example of a mistake you caught before it caused a problem.
  24. Tell me about a time you taught someone how to do something.
  25. Describe a time you took the lead without being asked.
  26. Tell me about a time you had to explain something complicated in simple terms.
  27. Describe a process you improved.
  28. Do you have any questions for us?
  29. Why do you want to work here?
  30. Why is there a gap in your employment? Difficult question
  31. Why did you leave your last job? Difficult question
  32. Why are you changing careers? Difficult question
  33. What is your greatest weakness? Difficult question
  34. What are your salary expectations? Difficult question
  35. You seem overqualified for this role. Why do you want it? Difficult question
  36. Improper-question practice: How old are you? / Do you have children? / Where are you from originally?
  37. A customer is angry about a delay you did not cause. What do you do?
  38. How do you keep track of many open customer requests?
  39. Tell me about a time you could not give a customer what they wanted.
  40. You find that the inventory count does not match the system. What do you do?
  41. Tell me about a time a shipment or delivery went wrong.
  42. How do you make sure safety rules are followed on a busy shift?
  43. Two managers ask you to book the same room at the same time. What do you do?
  44. How have you used spreadsheets in your work?
  45. Tell me about a time you had to enter or check a lot of data accurately.
  46. Tell me about a sale or agreement you are proud of.
  47. A prospect says your price is too high. How do you respond?
  48. How do you keep your pipeline organised?
  49. Tell me about a technical problem you solved on your own.
  50. You find a bug right before a release. What do you do?
  51. Walk me through how you would check whether a report's numbers are right.