Tell Me About a Time You Invented a New Solution to an Old Problem - Bar Raiser Evaluate

Evaluate These Two Answers

"Tell me about a time when you invented a new process or simplified an existing one that was not your responsibility and had no formal ticket or request."

SDE 2⏱ 3 minAmazon Bar Raiser. LP evaluated explicitly. Content scored, not delivery.

Score BOTH candidates on Ownership Signal, Action Specificity, and Quantified Impact BEFORE applying the full rubric.

If you scored Candidate A >40 total, your calibration is biased toward fluency. Bar Raisers ignore delivery and score content only.

Candidate A

During a sprint focused on improving checkout, my manager suggested I look into this since I had bandwidth. While reviewing logs, we found a recurring timeout issue affecting payment processing. After collaborating with the team, we identified a race condition causing the failures and deployed a fix. This improved the success rate noticeably. Although it was not my direct responsibility, I contributed to resolving the problem quickly.

Fluent delivery, confident tone - most untrained evaluators score this high

Candidate B

I noticed during a routine audit that our order reconciliation process was taking longer than expected, and nobody had filed a ticket or asked me to investigate. I designed a new automated script that simplified data aggregation, reducing processing time by 40%. This saved approximately $8,000 per week in operational costs and freed up the team to focus on higher-value tasks. I took full ownership from identifying the gap to deploying the solution, which also improved customer satisfaction by speeding up order confirmations.

35-55 seconds longer - every extra second is signal-dense content

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Score Comparison

Dimension

Weight

Candidate A

Candidate B

structure star

15%

12

14

ownership signal

30%

1

28

action specificity

25%

10

24

quantified impact

20%

2

19

self awareness

10%

0

10

Total

25 No Hire

95 Strong Hire

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Auto-Fail Markers

manager-directed task

"Candidate A - my manager suggested I look into this since I had bandwidth"

Ownership requires self-initiation. Manager-assigned = execution. Score 1 on ownership_signal (weight=30) = No Hire always.

collective language hiding individual contribution

"Candidate A - we found a recurring timeout issue"

Using 'we' without clarifying individual role obscures ownership and impact, reducing ownership_signal score to 1, which is No Hire.

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Bar Raiser Notes

Ownership weak - manager-directed; collective language obscures individual role; zero quantification in impact; no clear self-awareness; No Hire.

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Fix-It Challenge

Ownership clarity

Before"my manager suggested I look into this since I had bandwidth"

→

After"I noticed the gap during a routine review. No ticket existed. Nobody had asked me to investigate. I decided to act because I saw an opportunity to improve payment processing."

Shows self-initiation and ownership rather than manager assignment.

Individual contribution

Before"we found a recurring timeout issue"

→

After"I found a recurring timeout issue by analyzing logs independently"

Clarifies candidate’s direct role and ownership of problem identification.

Quantify impact

Before"This improved the success rate noticeably."

→

After"This fix improved payment success rate by 15%, reducing failed transactions and increasing revenue by approximately $5,000 weekly."

Adds concrete metrics and business impact to strengthen answer.

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Coaching Notes

• At Amazon, Invent and Simplify means proactively identifying inefficiencies without waiting for direction; phrases like 'I noticed' and 'I designed' signal ownership and initiative.
• Avoid phrases that imply manager direction such as 'my manager suggested' because they reduce ownership signal and lead to automatic No Hire.
• Use specific, quantified impact statements to demonstrate the business value of your invention or simplification.
• Clarify your individual role explicitly; avoid collective 'we' unless you specify your contribution to distinguish yourself.
• Demonstrate self-awareness by reflecting on what you learned or how the invention simplified processes beyond immediate fixes.

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Model Answer Guidance

Strong answers start with how you independently identified a problem or inefficiency without a ticket or request, describe the concrete steps you personally took to invent or simplify a process, quantify the impact in terms of time saved or cost reduced, and conclude with the broader business or customer benefit. Avoid manager-directed language and collective pronouns that obscure your role.