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Yupeng Tang

Junior Machine Learning Engineer specializing in LLM systems and GPU inference

GMI CloudGeorgia TechAtlanta, GA1 Years ExperienceJunior LevelWorks On-Site

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About

LLM/agent engineer who shipped a production RAG-based recommendation + explanation system that replaced a traditional recommender stack, delivering ~20% CTR lift (and +8% after a reliability iteration) with strong cold-start performance. Demonstrates strong production rigor: schema-constrained generation, typed tool calling, explicit state/orchestration, deep monitoring/feedback loops, and safe integration with messy ERP inventory/order data using normalization, idempotency, and conflict-resolution guardrails.

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Key Strengths

  • Shipped production LLM/RAG recommender with strict grounding, reranking, and robust fallbacks
  • Improved CTR ~20% vs prior recommender; strong cold-start performance
  • Designed monitoring split by retrieval vs generation quality with end-to-end logging and dashboards
  • Built deterministic multi-step agent pipelines using typed tools, structured schemas, and explicit state tracking
  • Material reliability iteration: added reranking + minimum relevance threshold + fallback, improving CTR ~8% and reducing hallucinations
  • Safely integrated agents with messy multi-ERP data via normalization, validation, idempotent writes, and conflict resolution

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Experience

Graduate Research Assistant (LLM Systems)Georgia Tech · Sep 2025 – Presentpart-time
Machine Learning Engineer InternGMI Cloud · May 2025 – Aug 2025internship
Graduate Research Assistant (Machine Learning)Georgia Tech · Jan 2025 – Dec 2025part-time
Graduate Teaching AssistantGeorgia Tech · Jan 2025 – Presentpart-time

Education

Georgia Techmaster, Computer Science (Machine Learning) (2026)
Shandong Universitybachelor, Artificial Intelligence (2023)

Awards

  • Kaggle Silver Medalist – 20th / 4,874 (Top 0.4%) – American Express Default Prediction

Skills

PythonSQLCC++GoJavaBashJavaScriptTypeScriptNode.jsReactLinuxUnixGitPyTorch

Languages

English

Publications

4 publications

LLM evaluation and auditingMechanistic interpretabilityLLM decision revision and complianceEvent boundary detection in language modelsModel compression for knowledge discoveryMultimodal RAG and evidence grounding

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EducationEducation in Atlanta MetroPythonSQLCC++

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Yupeng TangJunior Machine Learning Engineer specializing in LLM systems and GPU inference