Principal Python Engineer – Core Search Platform

Role Overview

• Design and optimize the Python systems that power global indexing pipelines
• Architect low-latency Python services supporting core search
• Optimize indexing and ranking pipelines
• Improve query response times at scale
• Design concurrency strategies for performance-critical systems
• Influence system-level architectural decisions
• Mentor senior engineers and elevate technical standards
• Bridge ML-driven ranking systems with production-grade infrastructure

Requirements

• Has 10+ years of Python engineering in production
• Understands CPython internals and performance trade-offs
• Has optimized systems around GIL, async I/O, multiprocessing
• Has built high-throughput services serving millions of users
• Has architected distributed systems end-to-end
• Can debug performance issues at memory and execution level
• Has operated at Staff or Principal level with architectural ownership
• Experience in relevance engineering, information retrieval theory, or ML-driven search pipelines is highly valued.

Tech Stack

• Distributed Systems
• Python