Augustus Hong
@augustushong
Senior AI/ML engineer building production-scale LLM and ML systems.
What I'm looking for
I am a senior AI/ML engineer with 10+ years designing and shipping production systems powered by deep neural networks, including multi-stage ranking, large-scale conversational agents, and real-time decisioning.
I have strong hands-on experience across distributed training, inference optimization, data mining, and large-scale analytics, and I own backend services, cloud infrastructure, and evaluation/monitoring to drive measurable, safe improvements.
I have led delivery of in-vehicle conversational assistants, ads ranking models, and real-time agent assist products—mentoring engineers, defining API contracts, and collaborating closely with product and platform teams to ship reliable features at scale.
I prioritize observability, compliance, and reproducible launch discipline, and I bring practical expertise with PyTorch distributed training, LLM orchestration, vector search/RAG, Kubernetes/Terraform deployments, and telemetry-driven production operations.
Experience
Work history, roles, and key accomplishments
Staff Machine Learning Engineer
Rivian
Mar 2023 - Present (2 years 11 months)
Led backend and ML delivery of an in-vehicle conversational assistant, building agent/tool orchestration, safety-gated execution, telemetry pipelines, and optimized multi-node training/inference to meet real-time latency and compliance targets.
Built DLRM-style ads ranking models and productionized distributed PyTorch training and inference, improving ranking quality via feature/embedding tuning and gating launches with regression coverage and online A/B tests.
Developed a real-time Agent Assist product with ML-backed intent/moment detection, built orchestration and low-latency inference paths, and shipped UI and mobile surfaces while managing deployment and observability.
Machine Learning Engineer
Woebot Health
Apr 2018 - Apr 2019 (1 year)
Designed and implemented high-accuracy NLP classifiers, led strategies for high-quality training data, and built dashboards to track product metrics and campaign performance.
Built search and recommendation systems, implemented API and backend data storage components, and ran A/B experiments to measure engagement lift for partner integrations.
Built user feature modeling and analytics backends for high-throughput real-time data streams, driving product re-engagement and mining business insights from large datasets.
Summer Fellow
Lightspeed Venture Partners
Jan 2014 - Dec 2014 (11 months)
Developed a full-stack web application and iOS client to improve trip planning, contributing front-end and back-end features for product demonstrations.
Design Engineer
AMD
Jan 2012 - Dec 2013 (1 year 11 months)
Developed software infrastructure to optimize simulation performance for CPU core verification, improving verification throughput and tooling reliability.
Education
Degrees, certifications, and relevant coursework
Stanford University
Master of Science, Artificial Intelligence
2012 - 2014
Master of Science in Artificial Intelligence completed at Stanford University with coursework and projects focused on machine learning and AI systems.
Purdue University
Bachelor of Science, Computer Science
2007 - 2011
Bachelor of Science in Computer Science from Purdue University with foundational coursework in algorithms, systems, and software engineering.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Social media
Job categories
Skills
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