Jon Lee
@jonlee
Staff software engineer building high-scale backend and AI infrastructure with real-time pipelines, LLM/RAG services, and observability.
United StatesWhat I'm looking for
I’m a Staff Software Engineer with 10+ years building high-scale backend systems and AI-powered infrastructure. At Spotify, I’ve owned end-to-end delivery of real-time event pipelines processing 1 trillion+ events/day, LLM/RAG services powering personalized audio experiences, and the observability layer keeping it all visible.
I gravitate toward hard infrastructure problems where scale, reliability, and latency all have to be solved at once. I spearheaded Spotify’s Event Delivery Infrastructure (EDI) with tenant-isolated pipelines across 1,800+ GCP Pub/Sub topics, shipped a RAG-backed Studio AI Assistant (session time lifted ~31%), and wrote Go microservices that cut p99 latency by ~43% at 1T+/day volume. I also instrumented microservices with OpenTelemetry, Prometheus, and VictoriaMetrics to drive MTTR from ~2hr to under 50min, and led engineering mentorship for system design and cross-service integration.
Experience
Work history, roles, and key accomplishments
Owned end-to-end delivery for real-time event pipelines processing 1T+ events/day and built tenant-isolated infrastructure across 1,800+ GCP Pub/Sub topics. Shipped a RAG-backed Studio AI Assistant, improving session time ~31%, and cut p99 latency ~43% while reducing MTTR from ~2hr to under 50min through observability and performance improvements.
Software Engineer
Think Finance
Dec 2015 - Oct 2019 (3 years 10 months)
Developed PHP/Laravel backend services and REST APIs for loan origination, underwriting, and servicing at scale, supporting $4B+ in originations with 99.9% uptime. Built AWS-based decision and messaging integrations that reduced underwriting latency from ~380ms to ~210ms and migrated legacy PHP components to microservices to cut infra costs ~28%.
Education
Degrees, certifications, and relevant coursework
The University of Texas at Austin
Bachelor’s, Electrical and Computer Engineering
2011 - 2015
Earned a Bachelor’s degree in Electrical and Computer Engineering at The University of Texas at Austin (2011–2015).
Availability
Location
United StatesAuthorized to work in
Job categories
Skills
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