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Interview questions by company and topic | SysRound

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14 questions

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Practical engineeringMedium
Fix a Buggy LRU Cache, Then Make It Durable with a Write-Ahead Log
Companies: Anthropic
Data Structure Design · Debugging
Last reported Sep 2026
Open workspace
Practical engineeringHard
Debug a Python Job Scheduler: Failed Jobs Stuck in PENDING and Async Jobs Never Run
Companies: OpenAI
Concurrency · Debugging
Last reported Jul 2026
Open workspace
Practical engineeringHard
Debug Python LRU Cache-Key Construction
Companies: Anthropic
Data Structure Design · Debugging
Last reported Jul 2026

Practical engineeringHard

Debug Tokenization and Detokenization

Companies: Anthropic

Debugging · Parsing & Interpreters

Last reported Jul 2026

Practical engineeringMedium

Debug a Concurrent Job Scheduler

Companies: OpenAI

Concurrency · Debugging

Last reported Apr 2026

Machine learningMedium

Implement NumPy neural-network layers

Companies: OpenAI

Debugging · ML Coding

Last reported Feb 2026

Machine learningMedium

Implement and Debug Backprop in NumPy

Companies: OpenAI

Debugging · ML Coding

Last reported Sep 2025

Machine learningHard

Diagnose Transformer training and inference bugs

Companies: OpenAI

Debugging · Neural Networks & Training

Last reported Aug 2025

Machine learningMedium

Debug a Machine Learning Pipeline

Companies: OpenAI

Debugging · Model Monitoring & Drift

Last reported Aug 2025

Machine learningMedium

Audit and Extend a Time-Series ML Pipeline

Companies: Voleon

Debugging · ML Data Pipelines & Feature Stores

Machine learningHard

Compare Batch Normalization and Layer Normalization

Companies: Snapchat

Debugging · Neural Networks & Training

Machine learningHard

Debug a From-Scratch Logistic Regression: Sigmoid Derivative and Gradients

Companies: LinkedIn

Debugging · ML Coding

Machine learningMedium

Debug an inaccurate patient-message triage classifier service and write up fixes

Companies: Ro.Co

Debugging · Model Evaluation

Machine learningEasy

Diagnose a PyTorch Training Bottleneck from Profiler Traces

Companies: Imc

Debugging · ML Coding