Bloomberg OA Questions 2021: What Candidates Actually Saw
Last updated: May 2026
13+ Bloomberg online assessment questions reported by candidates who took the OA in 2021. Sourced from 1Point3Acres, LeetCode, Blind, Glassdoor, and Reddit. Data grows as new reports are added.
Bloomberg OA Format in 2021
The Bloomberg online assessment has followed a consistent format across multiple hiring cycles. Based on 2021 reports in the database, candidates typically see 2 to 3 algorithmic coding problems delivered through a proctored online platform (most commonly HackerRank). Some roles include additional behavioral or work-simulation components after the coding section.
Time limits reported by candidates range from 70 to 110 minutes for the full assessment. The coding problems are auto-graded, so edge case handling and runtime efficiency both matter. Partial credit is available on some platforms if your solution passes a subset of test cases.
Real Bloomberg OA Questions from 2021
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 | Design Underground System
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 | Phone | String Anagram and Substring
I had a phone interview with Bloomberg for SSE position , below are the questions posted in Hackerrank by the interviewer, He was helpfull through out the interview process. I...
Bloomberg New Grad Phone
Interviewer called and ask me basic questions about my projects and resume. Afterwards we dived into hackerrank in order to solve the problem. He basically gave me the question where you...
Bloomberg | Onsite | London | Non Leetcode Question
I had my onsite a few days ago. They started off with introductions which took 20 mins and then I gave my introduction. Opened link to hackerrank and saw a...
Bloomberg SDE new Grad Rejected 1st Round
I was on a phone call with the recruiter and he was able to see what I could type on the given hackerrank link.(The call quality was really bad) (Basic conversation) The...
Bloomberg New Grad SWE | Phone Interview | Counting times cars will pass by each other
Interview started with basic introduction (talked about myself and the favorite project that I worked on), then went to the HackerRank link provided to work on a coding challenge The question: Interviewer...
Bloomberg | OA (via Google Meet video) | Design an Ordered Stream
Design UDP: A Key (integer), value (string) pair is given at a time. It only prints value in sequence of ascending order of keys. If the key is not in order,...
Bloomberg | New Grad SWE 2021 | NYC | Phone + Virtual Onsite [Reject]
Recently rejected from Bloomberg after going through all four rounds at the virtual onsite, absolutely gutted. Leading up to the interview I scoured forums on Leetcode/Reddit/Glassdoor to gather as much...
Bloomeberg Phone Interview - NYC
I just did a phone interview with Bloomberg and wanted to share my experience as I got lots of help from here. I applied through Bloomberg career site and got a...
Bloomberg | SSE Onsite | NYC
I had my onsite interviews for a senior software engineer role in the first week of August. The position is for a team in the NYC office. All technical questions...
Amazon + Bloomberg || New Grad || Offered
Amazon: Referred by Amazon student program. First round, Online Assessment: 2 Leetcode Mediums, got 100% on both, followed by behavioral survey Second round: 30 min explaining my code to a manager, I got...
Bloomberg | SWE Intern | USA | Nov 2021 [Reject]
How I got the interview: I was contacted by the recruiter through LinkedIn to apply for the SWE Internship in NYC. I applied on 9/23. Received a Phone Interview invitation on...
Topic Breakdown (2021 OA)
Topics reported by candidates who took the Bloomberg OA in 2021:
Difficulty Breakdown (2021 OA)
6
easy
Difficulty labels are reported by candidates or inferred from LeetCode ratings.
How to Prepare for the Bloomberg OA
The Bloomberg OA is a timed, auto-graded coding test. Preparation is different from interview prep: you need to optimize for both correctness and speed, since partial credit requires passing test cases, not just showing reasoning.
- Practice timed sessions. Set a timer for 35 to 45 minutes per problem and simulate the real constraint.
- Focus on the topic clusters that appear most in Bloomberg OA reports: dynamic programming, graphs, arrays, and strings make up the majority of reported problems.
- Read the problem constraints carefully before writing code. The constraints often reveal the expected time complexity and algorithm type.
- Use the LeakCode database to review 2021 OA questions from actual candidates. Pattern recognition across multiple sightings is a stronger prep signal than any single mock problem.
- If the OA includes a work simulation section, practice under realistic conditions. This section tests judgment and values alignment, not coding ability.
FAQ
What does the Bloomberg OA look like in 2021?
Based on 2021 candidate reports, the Bloomberg OA typically includes 2 to 3 coding problems and runs 70 to 110 minutes. Topics lean toward dynamic programming, graphs, arrays, and strings. Some roles include a work simulation section after the coding component.
How long is the Bloomberg OA?
Most candidates report 70 to 90 minutes for the coding component. Roles with additional work simulation sections extend the total time to 110 to 150 minutes. Check your invitation email for the exact time allocation for your specific role.
What platform does Bloomberg use for the OA?
Bloomberg uses HackerRank or its own proprietary platform depending on the role and hiring cycle. Your invitation will specify the platform. Both platforms support multiple languages including Python, Java, C++, and JavaScript.
Are these real Bloomberg OA questions?
Yes. All questions in the LeakCode database come from candidate reports on 1Point3Acres, Blind, Glassdoor, Reddit, and LeetCode. They are not AI-generated. Each question links to its source where available.
Other Bloomberg OA Years
Related: Bloomberg OA Hub · Bloomberg All Questions · All OA Questions · Data Sources