Lukas Xue

Lukas (Renhao) Xue

Machine Learning Engineer @ AWS Generative AI Innovation Center
MSIS Candidate @ Trine University · B.S. in CS @ Emory University

Experience & Education

Feb 2023 – Present
Machine Learning Engineer
Amazon Web Services
Progressed through multiple AWS AI/ML teams. Promoted to SDE II in April 2025.
Aug 2025 – Present
M.S. in Information Studies (MSIS) · Part-time
Trine University · GPA: 4.0/4.0
Pursuing a Master of Science in Information Studies part-time alongside full-time MLE work. Focus on data systems, information architecture, and applied research.
May 2025 – Present
MLE · Custom Model Optimization (CMO)
AWS Generative AI Innovation Center
Leading R&D in model customization — SFT, Reinforcement Learning (GRPO, DPO), and model steering. Focus on robustness, explainability, and cost-effectiveness for enterprise LLM deployments.
Aug 2024 – May 2025
SDE → SDE II · Bedrock Model Customization
AWS
Led development of Supervised Fine-Tuning for LLMs as a managed service in Amazon Bedrock. Built the end-to-end pipeline for customers to customize foundation models on their own data.
Apr 2024 – Aug 2024
SDE · SageMaker AutoPilot & Canvas
AWS
AutoML for tabular data, time-series forecasting, and language model fine-tuning. Helped make ML accessible to non-practitioners through Canvas's no-code interface.
Feb 2023 – Apr 2024
SDE · Managed Streaming for Apache Kafka (MSK)
AWS
Kafka on AWS Graviton chips and MSK Express Brokers with a fully managed storage layer. Optimized performance and cost for real-time streaming workloads at scale.
2021 – Dec 2022
B.S. Computer Science, Minor in Applied Mathematics
Emory University · GPA: 3.938 / 4.000
Coursework in algorithms, systems, machine learning, and mathematical foundations.
Publications
May 2022 – Aug 2022
SDE Intern, MSK
AWS
Built real-time fault-tolerant data pipelines and streaming infrastructure. First exposure to distributed systems at AWS scale.
Summer 2021
Full Stack Intern
A.P. Moller – Maersk
Modernized Maersk's shipping logistics platform. Built features for container tracking and shipment management across global supply chain operations.
2019 – 2021
Associate of Arts
Oxford College of Emory University
Liberal arts foundation at Emory's original campus before transitioning to Atlanta for upper-division CS coursework.

Projects

Certifications

AWS AI Foundational
AWS AI Foundational (L100)
Dec 2025
AWS AI Practitioner
AWS Certified AI Practitioner
Aug 2025
AWS ML Engineer
AWS Certified ML Engineer – Associate
May 2025
AWS ML Specialty
AWS Certified ML – Specialty
Apr 2023
AWS Developer Associate
AWS Certified Developer – Associate
May 2022