Company vault

BlaBlaCar

French mobility marketplace with backend, data, and marketplace optimization engineering.

Coding / DSA 28 System design 20 Technical deep dive 42 Behavioral 4 HR / screening 7 Manager / leadership 4

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Questions

105

BlaBlaCar Mid-level (3–5 years) System design

#101

How would you design GDPR-compliant account deletion in a distributed system? — BlaBlaCar interview

Reported in BlaBlaCar European engineering loops. EU interviews often test practical privacy engineering and regulatory trade-offs.

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BlaBlaCar Mid-level (3–5 years) System design

#102

Reported in BlaBlaCar European engineering loops. Common product-system question for companies operating across many EU countries.

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BlaBlaCar Senior (5–8 years) System design

#103

Reported in BlaBlaCar European engineering loops. Frequently asked at European fintechs dealing with PSD2 and AML controls.

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BlaBlaCar Junior (1–3 years) Behavioral

#104

Reported in BlaBlaCar European engineering loops. Behavioral question testing communication across time zones, languages, and cultures.

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BlaBlaCar Senior (5–8 years) System design

#105

Reported in BlaBlaCar European engineering loops. Often appears in enterprise and platform interviews at EU cloud and SaaS companies.

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