Bloomberg Software Engineer Interview Questions
800+ questions from real Bloomberg Software Engineer interviews, reported by candidates.
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Bloomberg Phone Interview
Just completed the Bloomberg Phone Interview for New Grad 2021 Consisted of 20 minutes asking about resume and past experiences, 30 minutes for a technical question https://leetcode.com/problems/design-underground-system/ I was working my way to...
Bloomberg Phone Interview
I need help in figuring out solution to this. There are students registered for courses. We need to group students based on common courses. s1 is student1 and c1 is course1 and...
Bloomberg Phone Interview
I carried out a phone interview with Bloomberg. The interviewer was very kind, after an initial part of the conversation about my background and my past experiences, let\'s go to Hackerrank...
Bloomberg Phone Screen
Given the coins =[1,5,10,25] and target . Find the minimum coins to make the target,Print the target and its path, ie, the path which has fewer coins. Target Expected Output 12-> [1*10,1*2] 68-> [2*25,1*10,1*5,3*2] 132->...
Bloomberg | Phone + Onsite | Interview Questions
New Grad SWE interviews Phone interview was in November 2020 1. https://leetcode.com/problems/design-underground-system/ 2. https://leetcode.com/problems/count-and-say/ 3. Bonus OOD. No coding, just talk about implementation. Virtual onsite was in December 2020 1st interview: 1. https://leetcode.com/problems/two-sum/ 2. https://leetcode.com/problems/valid-parentheses/ 2nd interview 1. Variation of...
Bloomberg Onsite Interview - New Jersey
Hi, I have an upcoming onsite interview at Bloomberg (New Jersey). I completed two Technical Virtual Onsite rounds which were mostly Leetcode style coding problems I have have an upcoming Systems Desi
Hi guys , I had an interview at Bloomberg (technical) I felt like I did well speaking wise and I did communicate my intentions with the code and all but I got denied offer , I want to know what I can
Bloomberg | Phone Screen | New Grad
project you are proud of & why? After this question it was almost 8 minutes and we moved to the DS questions. LC: 200 -> Solved it. LC: 665 -> Got somewhat...
Bloomberg | NYC | SWE | All rounds | Offer
Well, I feel that posts helped me a lot, so I would like to share my experience with you guys!! 1 Round | Phone Screen At the beggining I was asked...
Had a phone interview last week. Opened with introducing himself and talking about what he does. Then asked me to do the same. Asked about what projects I have worked...
Bloomberg | New Grad | April,2020 | Reject
Degree: MS in Software Engineering YOE: 1 yr as Full time at a Startup in India and 10 months as Intern in USA Position: New Grad Result: Reject Applied on : March 1,2020 Got an...
Bloomberg | New Grad | April,2020 | Reject
Degree: B.E. in Computer Science and Engineering from a Tier-1 college in India YOE: 10 months as Full time and 8 months as Intern Position: New Grad Result: Reject Applied on : March...
A linked list of cards are given. Write a code, to Shuffle the cards, without using inbuilt shuffle / random functions. Functionalities : 1. Create a deck of card through linked list 2....
Bloomberg System Design
I recently went through a virtual onsite and had 2 rounds of interviews, all coding questions were Bloomberg LC tagged and I was asked one System design question that went...
Bloomberg | Phone Interview | New Grad
Start with self-introduction and some questions related to my resume. Then, 2 coding questions 10 minutes left for asking questions Question 1: Given a number, check if it is a palindrome boolean isPalindrome(int x)...
Bloomberg | Phone Screen | New Grad
Phone screen started with introduction about the interviewer and then he asked about me. Then two technical questions : 1. https://leetcode.com/problems/first-unique-character-in-a-string/ 2. https://leetcode.com/problems/valid-parentheses/
Position: New Grad 2021 Platform: Hackerrank Experience: Interviewer called 10 minutes early. After introductions, detailed the structure of interview - Resume walk, Hackerrank question, questions to the interviewer. Not so keen on seeing...
Bloomberg | Phone Screen | Longest Substring Without Repeating Chars
Had a telephonic interview with Bloomberg for Full time new grad position. 1) Project in School that interested you most? 2) Why Bloomberg? 3) return the length of longest unique substring. similar to...
Bloomberg New Grad Software Engineer
Status: New grad, BS Computer Engineering Position: Senior in College Location: Oahu, Hawaii Interview process (so far) Technical phone screen (1 hour): \t- Two Algorithm Questions. Very similar to the ones seen on Glassdoor Then...
TL (Team Leader) invited me to an interview on September 23rd, I submitted my application on September 23rd, and received a notification from the school for an interview on September 30th. First inter
What Bloomberg Looks for in Software Engineer Interviews
Bloomberg Software Engineer interviews are calibrated against the level and scope expected of the role. Across 800+ verified candidate reports on LeakCode, the consistent signals interviewers look for: clear problem decomposition before coding, explicit complexity reasoning, structured handling of edge cases, and the ability to articulate trade-offs between two reasonable approaches.
The discriminator between candidates who advance and candidates who do not is rarely the final correctness of the solution. It is the path to the solution: did you ask clarifying questions, did you state your approach before coding, did you handle edge cases without prompting, and did you communicate your reasoning throughout. Reports tagged "no hire" frequently cite a working solution with poor communication; reports tagged "strong hire" cite clear thinking even when the final solution was incomplete.
How To Use This Question Set
Real interview reports are a calibration tool, not a memorization target. Companies update their question pools every 2-4 months; memorizing exact problems risks misleading you when the interviewer uses a variant. The high-leverage use: identify the patterns that appear repeatedly in Bloomberg Software Engineer reports, practice those patterns on similar (not identical) problems, and use the reports to understand the interviewer's typical follow-up depth.
Filter the questions below by round type, difficulty, and recency. Focus first on reports from the past 6-12 months; older reports may reference questions that have since rotated out of Bloomberg's pool. Reports tagged with quantified difficulty (e.g., "medium-hard") are higher-signal than reports without difficulty tags.
Round-by-Round Expectations
Bloomberg Software Engineer loops typically span 4-6 rounds across phone screens and on-site or virtual on-site interviews. The structure varies by company: some run 1 recruiter screen + 1 technical phone + 3-4 on-site rounds; others run 1 recruiter screen + 1 OA + 4-5 on-site rounds. The recruiter screen is logistics and culture-light; the technical phone screen is medium-difficulty coding; the on-site loop covers coding, system design (at L4+ levels), and behavioral rounds.
Each round is designed to surface a specific signal. Coding rounds: correctness, code quality, complexity reasoning, communication. System design rounds: requirements clarification, design judgment, operational thinking. Behavioral rounds: ownership scope, leadership, ambiguity tolerance, conflict navigation. Strong candidates explicitly hit each signal dimension out loud during the round; weak candidates focus only on solving the prompt.
Common Interview Mistakes At This Combination
Reports tagged "no hire" at Bloomberg Software Engineer commonly cite: jumping into code without clarifying requirements, coding silently for 10+ minutes without verbalizing approach, missing edge cases (empty input, single element, very large input, overflow), and producing a working solution that the candidate cannot explain or refactor when probed. Strong candidates avoid these patterns by following a consistent template: clarify, verbalize approach, code with narration, test with examples.
Behavioral and design rounds have their own failure modes. Behavioral: stories that use "we" instead of "I" diluting individual signal, stories with no quantified outcome, defensiveness when probed about failure. Design: not asking clarifying questions, not stating requirements out loud, designing for a single server when the prompt clearly implies scale, ignoring operational concerns (deployment, monitoring, rollback). These show up in roughly half of Bloomberg Software Engineer interview retrospectives on LeakCode.
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