Tim Nguyen

I design and build highly scalable, performant, and reliable software products.

Tim Nguyen

Professional experience

Zillow

Principal SWE2024—now

Leading AI tooling, observability, and backend modernization.

AI/MLObservabilityData PipelinesMentorship
Key focus areasAI ToolingLeadObservabilityBuiltData PipelinesDesignedMentorshipProgram Lead

Red Oak AI

Cofounder & CTO2024

Built a council-of-models system to cross-check facts and reduce hallucinations.

Multi-AgentLLMAdversarial AIFounder
Council of models consensusclaim Aclaim Bclaim CConsensusvote / verifyM1M2M3M4↓ halluc.rate

Rivian

Staff SWE2020—2024

Led ML infra and shipped a vehicle guide that cut support lookup from ~10 min to 5 sec.

RAGML InfraKafkaSparkAWS
Support lookup time — RAG impactBefore~10 minAfter5 sec120×fasterStack: Python · TS · React · AWS · Kafka · Spark · Terraform

Facebook

Sr. SWE2018—2020

Built data-center systems and ML signals for component longevity at scale.

MLData CenterETLPredictive Infra
Uptime target & ML component longevity99.9999%uptimeComponent healthServer AServer BServer CML-predicted lifespan per part

Mercedes-Benz R&D

Software Engineer2017—2018

Shipped NLP voice backends for production cars and improved response latency.

NLPVoice UIGoNode.jsGCP
Voice pipeline — response time improvementSpeechInNLPIntentReplyResponse latencyBeforeAfter

Hack Reactor

Hacker in Residence2017

Taught 80-student cohorts algorithms, Node, async workflows, and cloud deployment.

TeachingAlgorithmsNode.jsInterviews
Reach & topics covered2–3× / wk80studentsAlgorithmsDSAsync/AuthCloudNode

Apple

Technical Staff2014—2016

Worked across Apple platforms, kernel analysis, hardware diagnosis, and repair.

iOSmacOSKernelHardwareFirmware
Platforms coverediOSmacOSwatchOStvOSNetworking FWKernel AnalysisHW Repair

Noble House

SEO Intern2014—2015

Improved search performance through testing, analytics, and CTR optimization.

SEOA/B TestingAnalyticsCTR Optimization
Organic CTR improvement over timeQ1Q2Q3Q4↑ CTR