ThoughtWorks Backend Engineer Interview Questions
The questions to prepare for a ThoughtWorks Backend Engineer interview. Questions from real interview reports rank first. Updated daily.
Design high availability and fault tolerance for a distributed service, including failure detection, recovery, capacity, and operational safeguards.
Assesses your ability to choose and justify database technologies for performance and reliability.
Evaluates design decisions that support throughput, latency, and operational scalability.
Tests mentorship and team development through a concrete example, focusing on coaching actions, communication, ownership, and measurable impact.
Explain how to write automated tests that stay readable, isolated, and easy to update as code changes.
Explain how to run PostgreSQL schema migrations without downtime while preserving compatibility, integrity, and performance.
Evaluates collaboration practices and how you improve code quality through pairing.
Evaluates your ability to map data and access patterns to the right storage technology.
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Calculate patient rolling 7-day averages and rank patients within each Medpace research site using layered window functions.
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