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FDE tech stack
A practical stack map for Forward Deployed Engineers — biased toward what shows up in 2026 enterprise AI JDs.
Languages & services
- Python (FastAPI, data tooling) and TypeScript/Node are the common pair
- SQL everywhere; Spark/PySpark at data-platform companies
- Java still appears in Palantir-like environments
AI delivery
- RAG: chunking, hybrid retrieval, re-ranking, citations
- Agents: tool calling, planning loops, human-in-the-loop
- Evals & observability for quality, cost, and latency
- Emerging integration standards (e.g. MCP-style tool wiring)
Enterprise glue
- SSO/SAML/OIDC, secrets, least-privilege access
- Webhooks, queues, retries, idempotency
- VPC / private link / air-gapped deployment patterns
How to use this page
Do not learn everything. Cross this list with the skills matrix and your target company hubs under Salaries. Deeper playbooks ship under /tech in Phase 2.