Process
Talk to the hiring manager one-on-one.
Take-home assignment: can be done in any language of choice, but Python is preferred.
This was a MapReduce problem.
I solved the take-home assignment and passed all test cases.
Never heard back from the recruiter. Very unprofessional.
Don't waste your time.
Questions
MapReduce problem:
Given a table of data, reduce it.
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Interview Statistics
The following metrics were computed from 16 interview experiences for the Carta Senior Software Engineer role in United States.
Success Rate
13%
Pass Rate
Carta's interview process for their Senior Software Engineer roles in the United States is extremely selective, failing the vast majority of engineers.
Experience Rating
Positive25%
Neutral25%
Negative50%
Candidates reported having very negative feelings for Carta's Senior Software Engineer interview process in United States.
Carta Work Experiences
5.0
Great place to work
Senior Software Engineer • Current Employee
Rio de Janeiro, Rio de Janeiro, Brazil
October 14, 2025
Pros: Flexibility, a great atmosphere, and challenging work.
Cons: Ultra complex domain, high management.
4.0
Nice Folks, Unclear Future
Senior Software Engineer • Current Employee
New York, New York, United States
November 7, 2024
Pros: Carta folks are nice and real, especially on eng.
Cons: The future of the company sometimes feels unclear.
3.0
Great benefits, great people, tough product
Senior Software Engineer • Current Employee
San Francisco, California, United States
May 26, 2023
Pros: Good compensation.
Good work-life balance.
Great engineering culture.
Cons: Constant reorgs.
Moving goalposts on product.
WLB can vary project to project.
- 5.0Great place to workSenior Software Engineer • Current EmployeeRio de Janeiro, Rio de Janeiro, BrazilOctober 14, 2025Pros: Flexibility, a great atmosphere, and challenging work.Cons: Ultra complex domain, high management.
- 4.0Nice Folks, Unclear FutureSenior Software Engineer • Current EmployeeNew York, New York, United StatesNovember 7, 2024Pros: Carta folks are nice and real, especially on eng.Cons: The future of the company sometimes feels unclear.
- 3.0Great benefits, great people, tough productSenior Software Engineer • Current EmployeeSan Francisco, California, United StatesMay 26, 2023Pros: Good compensation. Good work-life balance. Great engineering culture.Cons: Constant reorgs. Moving goalposts on product. WLB can vary project to project.
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