FDE Interview Preparation
Start Here
Pick the part of the interview you are preparing for. Each link takes you straight to the best place to start.
First, read the complete Forward Deployed Engineer interview guide →Coding
Be comfortable in one interview language and understand basic data structures and algorithms. Then practice application and integration questions and agentic coding with tool-use loops.
CRM → Billing Sync
Sync two changing systems without creating duplicates on the second run.
Webhook Order Processor
Handle duplicate and out-of-order events while triggering fulfillment exactly once.
Stock Research Agent
Repair a tool-use loop, fix its protocol bugs, and reduce unnecessary model turns.
GenAI and System Design
Learn how production AI systems are put together, then practice turning ambiguous requirements into a secure and reliable design.
Build and Deliver
Prepare to discuss the full job: scoping the right problem, building the solution, debugging production issues, and getting it into users' hands.
Commercial Judgment
Work through a customer situation where the technical answer is only part of the job. Diagnose what is blocking value and decide what to do next.
Mock Interview
Take a timed, scored mock exam with explanations for every answer.
Behavioral and Founder
Prepare specific stories about ownership, ambiguity, customer pressure, conflict, failure, learning, and why you want to work as an FDE.
AI-Native Skills
Understand the tools and protocols behind modern agent systems, not just how to prompt them.
Not sure where to begin?
Build a personalized plan around your role, preparation time, and the complete FDE interview skill set.