Flagship platform
FDE Interviews
Forward deployed engineering
Practical preparation for engineers who turn complex technology into real-world outcomes. Real interview questions, the engineering behind the answers, and systems you can build and debug in the browser.

- 678worked interview questions
- 176lessons in 5 courses
- 210video lessons
- 30hands-on FDE Lab missions
- 201research papers explained
- 112company interview guides
Counted from the published library on 9 November 2026.
Built for
Who it prepares.
- Forward Deployed Engineer
- Forward Deployed Software Engineer
- Applied AI Engineer
- Solutions or sales engineers moving across
- ML engineers moving into deployment
Covers
What it goes deep on.
- LLMs & RAG
- Agents & tool use
- Evaluation
- GPUs & accelerators
- MLOps, DevOps & SRE
- AI security & safety
- System design
- Coding
- ML & data science
- Behavioral & customer rounds
- Training & fine-tuning
- Inference & serving
- Cloud, Kubernetes & infrastructure
A dedicated topic, course or trackCovered within other topics
Inside the platform
Prepare for your next FDE interview.
A look at what you work with on fdeinterviews.com.

FDE Lab: a mission run in a browser terminal against a simulated customer system

The FDE concept map, linking concepts to the questions that test them
11 interview topics
- LLM & GenAI fundamentals
- RAG & agent system design
- Coding & DSA
- Machine learning & data science
- SQL & data engineering
- System design & production engineering
- Behavioral & customer scenarios
- MLOps & ML engineering
- ML infrastructure & GPUs
- AI security, privacy & governance
- ML system design (product)
Premium
What Premium unlocks.
- Every answer, concept and course lesson
- All 210 video lessons and every paper breakdown
- All 30 FDE Lab missions in a browser terminal
- 12 Premium PDF guides with companion files
- The full practice-test bank and work-sample downloads
- Mastery tracking by topic
Free answers and lessons in every topic stay free. Premium opens the rest.
FDE Interviews on its own$256 months
All 8 platforms, bought separately$40012 months: 2 terms on each platform
All-Access Pass$6912 months on all 8, FDE Interviews included. You save $331.
See the All-Access Pass
Or buy FDE Interviews Premium on its own
Also in the pass
Next: AI Infra Interviews 7 more platforms.
- AI Infra InterviewsThe infrastructure behind intelligence
- Applied AI PrepFrom models to meaningful products
- DevOps Interview PrepEngineering that keeps the world running
- AI Interview TrainingA foundation for the AI era
- AI PM InterviewsProduct judgment for the AI era
- Inference InterviewsEvery token. Every engineering decision.
- AI Security InterviewsProtecting the systems we build.