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Augustus Hong

@augustushong

Senior AI/ML engineer building production-scale LLM and ML systems.

United States
Message

What I'm looking for

I am seeking a senior engineering role building production AI/ML systems where I can lead delivery, mentor engineers, and ship scalable, observable, compliant LLM-powered products.

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

Rivian logoRI
Current

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.

Meta logoME

Senior Machine Learning Engineer

May 2020 - Feb 2023 (2 years 9 months)

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.

Cresta logoCR

Software Engineer – Machine Learning

Apr 2019 - Apr 2020 (1 year)

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.

Woebot Health logoWH

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.

Branch logoBR

Software Engineer

Jan 2015 - Jan 2017 (2 years)

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.

Lightspeed Venture Partners logoLP

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.

AMD logoAM

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 logoSU

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 logoPU

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.

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Augustus Hong - Staff Machine Learning Engineer - Rivian | Himalayas