Data Engineer Interview Experience - San Francisco, California
Process
First round - Phone screening (Verification of your resume and your current location)
Second round - Online assessment test (Hackerrank) (Strong algorithms knowledge required)
Third round - Phone interview (Technical and Behavioral) (Very friendly, patient interviewer. 30-minute interview extended to 50 minutes)
Fourth round - Phone interview (Technical) (Entirely technical and very strict)
Questions
Difference Between Union and Join (Databases)
Given a sentence, "hello world hello again world", provide the logic to output the frequency of "hello", "world", and "again" in the sentence.
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Interview Statistics
The following metrics were computed from 1 interview experience for the BlackRock Data Engineer role in San Francisco, California.
Success Rate
BlackRock's interview process for their Data Engineer roles in San Francisco, California is extremely selective, failing the vast majority of engineers.
Experience Rating
Candidates reported having very good feelings for BlackRock's Data Engineer interview process in San Francisco, California.
BlackRock Work Experiences
- 4.0Production Engineer/Data EngineerData Engineer • Current EmployeeSan Francisco, California, United StatesApril 8, 2016Pros: Good benefits. Option to relocate to a different office.Cons: Slow to change with new technology
- 5.0Great learning experience with a supportive teamData Engineer • Current EmployeeNavi Mumbai, Maharashtra, IndiaJuly 13, 2025Pros: Supportive and inclusive work culture. Exposure to real-world data pipelines. Got to work with tools like Python and SQL. Mentorship from experienced engineers. Flexible working hours and good work-life balance.Cons: Limited access to production systems as an intern. Project scope was fixed, not much room for creativity. Sometimes onboarding to internal tools took time.
- 5.0Great place to workData Engineer • Former EmployeeGurgaon, Haryana, IndiaJune 9, 2025Pros: Offers good work-life balance.Cons: Difficult to navigate through different positions, as there are only 4-5 levels.
BlackRock Interview Questions
