A curated, battle-tested collection of 140 interview questions & comprehensive answers for Forward Deployed Engineer (FDE), Solutions Architect, Field Engineer, and Deployment Engineering roles across AI & Enterprise Tech.
A distinctive software engineering role popularized by Palantir and now adopted across leading AI, data, and enterprise software companies. The role is defined less by a specific technical stack and more by how the work happens: embedded directly with enterprise customers, building and rapidly adapting real software against messy, high-stakes operational problems under significant ambiguity.
It combines core software engineering (data integration, application development, systems design) with a customer-facing, product-discovery orientation and direct ownership of outcomes.
📢 Disclaimer: This is a community knowledge base, not an official curriculum. Answers aim to be technically sound and interview-appropriate — concise, structured, demonstrating clear reasoning.
🎯 Total: 140 questions with detailed answers.
- 🎯 Candidates: Work through categories in order — role fundamentals (1) and requirements discovery (2) establish the mindset. System design (10) and behavioral (11) are key evaluation points in real interview loops.
- 🎙️ Interviewers: Pick 1–2 questions per category to evaluate tradeoffs and problem-solving under ambiguity.
- 💡 Everyone: Focus on the reasoning and architectural trade-offs behind each answer.
- 🟢 Foundational — Expected of any candidate
- 🟡 Intermediate — Mid-level, role-specific depth
- 🔴 Advanced — Senior/Staff-level, open-ended architecture or edge cases
Contributions are welcome! See CONTRIBUTING.md for guidelines.
CC BY-SA 4.0 — Free to use and adapt with attribution.