Technical Screening Questions for Machine Learning Engineers

Hire ML engineers who can ship models to production. Use these 20 knockout questions to filter for practical experience with frameworks, data pipelines, and deployment.

"Asking about production deployment and vector databases helps us find ML engineers with real-world experience, not just academic knowledge."

- Head of AI, Research Lab

20 Knockout Questions for Machine Learning Engineers

#QuestionTypeKnockout Rule
1How many years of machine learning experience do you have?MCQ: 0-1 / 1-3 / 3-5 / 5+Below minimum = Knockout
2Are you proficient in Python for ML?Yes / NoNo = Hard Knockout
3Have you worked with ML frameworks?MCQ: TensorFlow / PyTorch / Scikit-learn / NoneNone = Hard Knockout
4Have you trained and deployed ML models in production?Yes / NoNo = Knockout for production ML roles
5Have you worked with large datasets for model training?Yes / NoNo = Red flag
6Have you worked with NLP models or text data?Yes / NoNo = Knockout for NLP roles
7Have you worked with computer vision models?Yes / NoNo = Knockout for vision roles
8Have you used cloud ML platforms? (AWS SageMaker, GCP Vertex, Azure ML)Yes / NoNo = Red flag for cloud-first teams
9Have you worked with LLMs or generative AI models?Yes / NoNo = Knockout for GenAI roles
10Have you done feature engineering and data preprocessing?Yes / NoNo = Knockout
11Have you used MLflow or similar tools for experiment tracking?Yes / NoNo = Red flag for structured ML teams
12Have you worked with vector databases? (Pinecone, Weaviate, FAISS)Yes / NoNo = Knockout for RAG/LLM roles
13Have you built ML pipelines or workflows? (Airflow, Kubeflow)Yes / NoNo = Knockout for MLOps roles
14Have you worked with SQL or big data tools? (Spark, BigQuery)Yes / NoNo = Red flag
15Have you evaluated model performance using standard metrics?Yes / NoNo = Knockout
16Have you published research or contributed to open-source ML projects?Yes / NoNo = Red flag for research-heavy roles
17Do you have a GitHub profile or project portfolio to share?Yes / NoNo = Red flag
18What is your expected salary range?MCQ: Range bandsOut of budget = Knockout
19What is your current notice period?MCQ: Immediate / 2 weeks / 1 month / 2+ monthsMismatch = Knockout
20Are you available for an interview within the next 7 days?Yes / NoNo = Deprioritize

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