Grupo OLX Backend Engineer Interview Questions
The questions to prepare for a Grupo OLX Backend Engineer interview. Questions from real interview reports rank first. Updated daily.
Tests ability to design effective caching strategies and manage trade-offs.
Evaluates understanding of data structure trade-offs for scalability and efficiency.
Tests system design skills for consistent, high-throughput ingestion in a real-world backend.
Assesses trade-offs and decision-making for service architecture choices.
Assesses SQL performance troubleshooting and optimization strategies.
Tests engineering practices for maintainability, quality, and long-term scalability.
Evaluates ability to reason about algorithm performance and implementation details.
Tests long-term motivation, goal setting, and alignment with the Data Analyst role at Globallogic.
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Optimize a PostgreSQL window query by reducing rows before cumulative account-level transaction calculations.
PlaidOptimize a PostgreSQL aggregation query by filtering early, reducing rows before joins, and returning qualifying active customers.
SofteamSSoftware Medical Informatics
GlassdoorIdentify performance, security, and SQL anti-patterns in a Mercury payment query and propose a safe executable revision.
Mercury