Machine Learning Engineer Interview Experience - Boston, Massachusetts
Process
Preliminary Python test: Used Pandas to manipulate some data.
Call with recruiter: Discussed background.
Technical interview: Faced probability questions and coded a simulation.
Take-home assignment: Simulated from probability distributions, involved reading some papers. Not hard, but time-consuming.
Interview with VP of Data Science: Asked about background and to implement a sorting algorithm.
Questions
Bayes theorem question
Sorting Algorithms
Simulate dice rolls
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Interview Statistics
The following metrics were computed from 4 interview experiences for the Klaviyo Machine Learning Engineer role in Boston, Massachusetts.
Success Rate
Klaviyo's interview process for their Machine Learning Engineer roles in Boston, Massachusetts is extremely selective, failing the vast majority of engineers.
Experience Rating
Candidates reported having very negative feelings for Klaviyo's Machine Learning Engineer interview process in Boston, Massachusetts.
Klaviyo Work Experiences
- 4.0Good place to learnMachine Learning Engineer • Former EmployeeBoston, MAJuly 15, 2023Pros: Strong culture, smart people, mostly nice, and good benefits.Cons: Strong corporate vibes after Series D, and the culture became less open and more IPO-driven.
- 4.0Solid placeEngineer • Current EmployeeBoston, MANovember 4, 2025Pros: It enabled me to build a decorated engineering career and develop numerous technical skills.Cons: Much more red tape because of public status. Lost the ingenuity and efficiency that a private company has. Reduced promotion paybands significantly. This disincentivizes "going the extra mile".
- 3.0founder led train wreckLead Software Engineer • Current EmployeeBoston, MAOctober 15, 2026Pros: It is never a boring day.Cons: - Processes that are always changing - Unclear direction - “Founder led” - Stock that is trash - Company strategy that is unintelligible, and consistently misguided - AI psychosis
