Meta Machine Learning Engineer Deep Learning Interview Questions to Prepare for in 2025

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Article written by Shashi Kadapa under the guidance of Alejandro Velez, former ML and Data Engineer and instructor at Interview Kickstart. Reviewed by Suraj KB, an AI enthusiast with 10+ years of digital marketing experience.

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Cracking the Meta machine learning engineer deep learning interview questions will get you a dream job. Meta utilizes deep learning to power several of its products, and machine learning serves as the foundation for this technology.

Meta machine learning engineer deep learning interview questions will test your knowledge and capabilities in multiple domains, such as neural architecture, natural language processing, data science, and various software tools.

There are three stages in the meta machine learning engineer interview process, with several rounds in each. The stages are recruiter screening, managerial screening, and onsite virtual screening.

The blog presents the Meta machine learning engineer deep learning interview questions to help you find a job with FAANG and top-tier technology firms.

Key Takeaways

  • The Meta machine learning engineer deep learning interview questions cover applications where deep learning is used, on algorithms, models, and data preparation.
  • You will be asked to write, demonstrate workflows, and processes using tools.
  • Meta looks for deep hands-on technical excellence and leadership skills.
  • Prepare 5-6 realistic and relevant use case stories that demonstrate sound STAR methods of Situation, Task, Action, and Result.
  • Read extensively about the firm, their projects, customers, products and services, key people, case studies, and the technologies they use.

How Meta Uses Deep Learning?

How Meta uses deep learning

Meta implements deep learning along with machine learning, data science, and AI in its integrated applications. The Meta machine learning engineer deep learning interview questions focus on implementing deep learning, refining the network, and using the technology to enhance customer satisfaction.

This section discusses how Meta uses deep learning to help you in answering the Meta machine learning engineer deep learning interview questions.

Content and Ad Ranking

Meta uses the Andromeda system for its deep learning models. The Meta machine learning engineer deep learning interview questions are on the following topics:

  • Developing deep learning systems to rank and retrieve personalized content and ads relevant to each user.
  • Applying the technology to increase user engagement and obtain higher Ad revenue.
  • Feed ranking: How to find the relevance of content to each user based on their engagement history, such as likes, shares, and comments.
  • Show more/Show less: Developing an AI tool to learn from a user’s “Show more” or “Show less” input on a post to fine-tune what similar content they see in the future.
  • Instagram Reels: Using AI from user activity to suggest relevant reels, and explicitly state interest to see more of what they like
  • Personalized ads: Deep Learning Recommendation Models (DLRMs) are central to Meta’s advertising business, delivering highly relevant ads to users across its platforms.
  • Sequence learning: Developing recommendation systems with sequence learning, using customers’ event history to predict their interests and serve more relevant ads.
  • Ad optimization: Machine learning optimizes the ad auction process to ensure ads are delivered effectively for both advertisers and users.

Computer vision

Meta uses deep learning algorithms for developing computer vision applications. In the Meta machine learning engineer deep learning interview questions, you will be asked questions on:

  • Developing image and video analysis
  • Recognizing objects, people, and places in photos and videos.
  • Generating descriptions for images for visually impaired users. Detecting and removing harmful visual content.

Natural Language Processing (NLP)

Meta uses NLP to process massive data on Facebook, Instagram, and WhatsApp. Meta machine learning engineer deep learning interview questions will be on:

  • Translation: Automatically translating posts and comments into a user’s preferred language.
  • Sentiment analysis: Understanding the sentiment of public posts and comments to gauge public opinion.
  • Text classification: Filtering out spam, hate speech, and other types of harmful text.

Content Moderation

Meta uses deep learning to moderate content that is harmful, fraudulent, racist, of adult nature, and other negative categories. Meta machine learning engineer deep learning interview questions will test your knowledge of:

  • Using deep learning models to understand, identify, and label text, images, and videos as harmful
  • The analysis is to identify and remove harmful content, improve content quality, and give a better user experience.

AI Infrastructure

Meta invests in Mamba and other deep learning architectures. Typically, the Meta machine learning engineer deep learning interview questions focus on:

Developing enhanced, accurate, and greater computational efficiency.
Creating robust and reliable AI systems, implementing frameworks for prediction robustness, and security of the models

Virtual assistant (Meta AI)

Meta uses a virtual assistant to run several tasks. Meta machine learning engineer deep learning interview questions will test your knowledge of:

  • Conversational AI: This component is integrated into Facebook, Instagram, WhatsApp, and Messenger. The Meta AI chatbot uses deep learning to understand and generate natural language responses.
  • Multilingual communication: Explaining how you will help Meta AI in developing unsupervised machine translation to allow chatbots to communicate across many languages.
  • Multimodal capabilities: The assistant can process voice and text inputs, create and edit images, allowing highly interactive experiences.

New projects

Meta has initiated several projects in advanced stages of Beta releases. Meta machine learning engineer deep learning interview questions will test your knowledge of:

  • Consistent View Synthesis: Developing and refining a diffusion model to create consistent and realistic views for content creation applications, especially in the context of AR/VR.
  • Fast Point Cloud Generation: Helping the project to focus on developing efficient models for point cloud generation, with applications in virtual and augmented reality.
  • PyTorch: Advancing a machine learning framework for building and training deep neural networks

Core Meta Machine Learning Engineer Deep Learning Interview Questions

The Meta machine learning engineer deep learning interview questions will test your knowledge and skills in several related technologies. You will be asked questions on data science, machine learning, models, and algorithms, in addition to deep learning.

The interviewers will ask a question and expect you to give the theory along with specific examples. Meta machine learning engineer deep learning interview questions will focus on applied knowledge, and not just theory.

Let us look at some topics in Meta machine learning engineer deep learning interview questions and the areas they will test. The interviewers expect deep practical knowledge, your ability to think and reason analytically. You may not be asked questions on all the topics given in the next sections, but be prepared.

Tools-related Meta machine learning engineer deep learning interview questions

Meta machine learning engineer deep learning interview questions will focus on the tools used in deep learning development. You will be given a scenario or a use case and asked to justify the tools you would use. You will also be given a problem and write the code.

Deep learning tools and technologies Questions and answers expected
Implementing Simple Neural Networks Neural networks are the core systems used in deep learning. The Meta machine learning engineer deep learning interview questions will ask about:

  • Write the code a basic feedforward neural network with a multi-layer perceptron, or use a framework like Keras, TensorFlow, or PyTorch
  • Implement forward and backward propagation for a simple network.
  • Implement common activation functions such as ReLU, Sigmoid, Tanh, Softmax
Implementing Simple Neural Networks, Convolutional Neural Networks (CNNs) Meta uses CNN in its deep learning systems. The Meta machine learning engineer deep learning interview questions will ask about:

  • Implement a simple CNN for image classification of an MNIST dataset.
  • Implement a 2D convolutional filter or a pooling layer
  • Explain and demonstrate how to load and preprocess image datasets for a CNN
Recurrent Neural Networks (RNNs) and LSTMs   Meta machine learning engineer deep learning interview questions on RNNs will focus on:

  • Implement a basic RNN or LSTM for sequential data, such as text classification and time series prediction
  • Show worked examples of how RNNs handle sequential data.
Deep learning concepts and techniques Meta machine learning engineer deep learning interview questions will be about:

  • Show how to implement a custom loss function.
  • Demonstrate regularization techniques such as L1, L2, and Dropout to a model.
  • Show how to implement batch normalization.
  • Give examples of handling vanishing or exploding gradients.

Algorithm-related Meta machine learning engineer deep learning interview questions

Deep learning in Meta relies heavily on algorithms. Meta machine learning engineer deep learning interview questions will test your knowledge of algorithms, theory, and implementation. You will be given a problem and asked to make assumptions and write an algorithm.

Let us look at some of the Meta machine learning engineer deep learning interview questions on algorithms.

Algorithms Explanation and description
Autoencoders Meta machine learning engineer deep learning interview questions, autoencoders are:

  • Show with examples the application of encoders and decoders
  • Show how they are used for dimensionality reduction, anomaly detection, and data denoising
Generative Adversarial Networks (GANs) Meta machine learning engineer deep learning interview questions on GANs are:

  • Discuss with examples how to train the generator and discriminator trained competitively to create realistic synthetic data
Deep Belief Networks (DBNs) Meta machine learning engineer deep learning interview questions will ask about:

  • Meta machine learning engineer deep learning interview questions will be about:
  • Create a workflow and simple diagram for a generative model built by stacking multiple layers of Restricted Boltzmann Machines. 
  • How do you use it for feature extraction?
Deep Q-Networks (DQNs) Meta machine learning engineer deep learning interview questions will ask you to:

  • Design a neural network to approximate Q-values
  • How do you help agents make optimal decisions in complex, high-dimensional environments, such as playing video games
Applications of deep learning models Meta machine learning engineer deep learning interview questions will ask about the applications of deep learning tools. You can expect questions such as:

  • Computer vision: Design a top-level component diagram for facial recognition, medical image analysis, and object detection in autonomous vehicles.
  • Natural language processing (NLP): Draw the main features of virtual assistants such as Siri, Alexa, chatbots, text summarization, and language translation.
  • Recommendation engines: Create a system to analyze user behavior to suggest personalized content on platforms like Netflix and Amazon
  • Fraud detection: How do you identify fraudulent transactions by detecting anomalies in financial data?
  • Medical diagnostics: Create a system to analyze medical images, X-rays, and MRIs, to assist with disease detection

Process-related Meta machine learning engineer coding interview questions

Meta machine learning engineer deep learning interview questions will focus intensively on the process-related subjects. These processes are critical in deep learning operations, and cover several phases such as data preparation, model design and training, and evaluation and deployment.

Let us look at some of the process-related Meta machine learning engineer deep learning interview questions

Question topic What answers does Meta expect
Data preparation Meta machine learning engineer deep learning interview questions on data preparation will include all the steps taken to prepare data. 

Interviewers may give you a dummy data set and ask you to demonstrate the workflow. Be prepared to carry out the following steps and answer them.

  • Data collection: Answer questions on data collection and if the dummy sample has images, text, audio, or numerical data.
  • Data cleansing and preprocessing: Demonstrate how you will clean data, remove duplicates. Raw data is often noisy, inconsistent, or incomplete. Steps include:
  • Handling missing values by removing them or using imputation methods.
  • Removing duplicates and correcting errors.
  • Normalizing or standardizing numerical data so all features are on a similar scale.
  • Data augmentation with tasks like image classification, data augmentation creates additional training examples by applying transformations such as rotating, flipping
  • Data splitting to divide the data into training sets, validation sets, and a test set.
Model design and training A critical part of the Meta machine learning engineer deep learning interview questions, you will be asked to select or build a neural network architecture and train it. You can select CNNs, RNN, or transformers

  • Learning process: Demonstrate how you will define the loss function, optimizer, and learning rate
  • Training and validation: Explain how you will train the model iteratively over several stages. Explain how you will check the training progress for loss and accuracy
  • Hyperparameter tuning: Explain the adjustment of hyperparameters like learning rate, batch size, and the number of layers. You need to explain techniques like grid search or random search
Evaluation and deployment Meta machine learning engineer deep learning interview questions will certainly ask about the evaluation and deployment of the model. The questions will cover:

  • Model evaluation: Explain how you will use the test set to assess the model’s ability to generalize. Some metrics are classification, regression, and managing over- and under-fitting
  • Deployment: Explain the workflow of the process to integrate the model into a production environment. Give reasons why you would select Batch prediction, Real-time inference, and On-device deployment.
  • Monitoring and maintenance: Explain the steps for continuous monitoring to track performance. Explain how you monitor for data drift.
Challenges Meta machine learning engineer deep learning interview questions will ask about the challenges you face. Be ready with user cases and stories on:

  • Challenges like insufficient or poor-quality data
  • Lack of appropriate hardware that requires high power, Model interpretability
  • Ethics of biased data
👉 Pro Tip: Read extensively about Meta, case studies, how and where it uses ML, use cases, latest projects, and emerging trends

Learn from Experts

Cracking Meta’s Machine Learning coding interview requires more than just technical knowledge — it demands structure, strategy, and confidence. That’s exactly what you’ll gain from Interview Kickstart’s Machine Learning Interview masterclass.

This 4-month intensive course helps you master data structures, algorithms, system design, and key machine learning concepts like supervised and unsupervised learning, deep learning, and reinforcement learning. You’ll spend 10–12 hours per week building the depth and clarity needed to excel in FAANG-level interviews.

The program also includes a 3-week career coaching module, where FAANG+ instructors guide you through resume building, LinkedIn optimization, and salary negotiation. Plus, you’ll receive 6 months of post-program support, featuring 15 mock interviews and 1:1 mentorship with hiring managers from top tech companies.

By the end of this masterclass, you’ll have the technical skills, interview readiness, and confidence to land your dream ML role at Meta or any top-tier company

Conclusion

The blog presented several key aspects of the Meta machine learning engineer deep learning interview questions. While you have the experience and qualifications, confidence and presentation skills are also important. Interviews are tough, and you need expert guidance to help you crack the questions.

All the stages of the Meta machine learning engineer deep learning interview process and questions are important. The blog presented insights into these stages and also discussed several areas and applications of deep learning that Meta uses.

However, this is the starting point of the Meta machine learning engineer deep learning interview process. At Interview Kickstart, we have several domain-specific experts who have worked for Meta and FAANG.

Let our experts help you with the Meta machine learning engineer coding interview questions. You have much better chances of securing the coveted job.

FAQs: Meta Machine Learning Engineer Deep Learning Interview Questions

Q1. What is the method to prepare for the Meta machine learning engineer deep learning interview questions>

The Meta machine learning engineer deep learning interview questions are intensive and will test your expertise in multiple areas of deep learning. Revisit your projects and the technology aspects, and prepare use case stories. Visit the Meta blogs to understand their case studies and the technology solutions they implement

Q2. Do we have to show coding expertise in the technical rounds?

A high level of knowledge about deep learning algorithm models, data science, and AI is needed. You will be a part of technical experts and build solutions with emerging tech.

Q3. Do we need to have certifications?

Certifications certainly help to reinforce your skills and expertise. Study the job requirements to know the details of qualifications, experience, and certifications.

Q4. What other preparations are needed to crack the Meta machine learning engineer deep learning interview questions?

At Interview Kickstart, we have a structured training course on preparing for interviews. The details are given in the ‘Learn from Experts’ section.

Q5. Whom should I approach if I have some questions after I finish the course?

Once you register for the Master Course for Deep Learning Interview, we provide support for 10 months.

References

  1. Deep Learning at Meta for advanced AI solutions
  2. Deep Learning Training in Facebook Data Centers
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