Problem database last updated: June 20, 2025

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Postmates Coding Interview Questions

3 problems · 1 Easy, 2 Medium, 0 Hard · Ranked #364 of 458

Difficulty breakdown

1 Easy

33% · avg 23%

2 Medium

67% · avg 59%

0 Hard

0% · avg 18%

Top topics

string
66.7%2.4x
sorting
66.7%4.6x
hash-table
33.3%1.5x
counting
33.3%10x
array
33.3%
binary-search
33.3%3.8x

Interview profile

Based on 3 reported problems, Postmates interviews are easier than average - only 0% Hard compared to 18% across all companies. The majority (67%) of questions are Medium difficulty, which is typical for companies that want to see solid fundamentals without excessive trick questions.

Compared to the industry average, Postmates puts unusual emphasis on sorting (66.7% of problems, 4.6x the industry average), string (66.7% of problems, 2.4x the industry average). If you're short on time, these are the categories to double down on.

The most common topics are string (66.7%), sorting (66.7%), hash-table (33.3%), counting (33.3%). Problems below are sorted by frequency, the ones at the top are asked most often.

All 3 problems

Determine if Two Strings Are Close

Solve

Two strings are considered close if you can attain one from the other using the following operations:

MediumVery Likely
hash-tablestringsorting

Most Beautiful Item for Each Query

Solve

You are given a 2D integer array items where items[i] = [pricei, beautyi] denotes the price and beauty of an item respectively.

MediumVery Likely
arraybinary-searchsorting

Find the K-Beauty of a Number

Solve

The k-beauty of an integer num is defined as the number of substrings of num when it is read as a string that meet the following conditions:

EasyVery Likely
mathstringsliding-window

How often are these problems asked?

Frequency scores are based on crowdsourced interview reports. A higher score means the problem has been reported more often in recent Postmates interviews.

Very Likely

75-100%

Likely

50-74%

Sometimes

25-49%

Rare

0-24%

Preparing for your Postmates coding interview

Postmates interviews focus heavily on string, sorting, hash-table problems. If you're short on time, these are the categories to prioritize. The problems on this page are sorted by frequency, so start from the top and work your way down.

Beyond solving problems, practice explaining your approach. Postmates interviewers care about your thought process - how you break down a problem, consider edge cases, and evaluate tradeoffs between solutions. A clean O(n) solution you can explain clearly beats an O(log n) solution you can't articulate.

Looking for more companies? Browse all 458 companies in our directory, or sharpen your fundamentals with our free data structure visualizers and AI-powered DSA tutor.

Frequently Asked Questions

What coding problems does Postmates ask in interviews?add

Postmates has been reported to ask 3 distinct coding problems. The most common topics are string, sorting, hash-table. 1 are Easy difficulty, 2 are Medium, and 0 are Hard. Problems are sorted by frequency - the ones at the top are asked most often.

How hard are Postmates coding interviews?add

Based on 3 reported problems, Postmates interviews are easier than average - only 0% Hard compared to 18% across all companies. 67% of questions are Medium difficulty. Focus on the high-frequency Medium problems first, then work through the Hard ones.

How should I prepare for a Postmates coding interview?add

Start with the highest-frequency problems listed on this page. Focus on the core topics: string, sorting, hash-table. Practice solving them under time pressure and explaining your approach out loud. Mock interviews with AI can simulate the real experience.

Other companies to explore

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