# Jun Yu Tan > Founding Engineer @ Tusk Location: San Francisco, California, United States Profile: https://flows.cv/junyutan Passionate about ML systems and AI-enabled products, with a focus on AI evaluation, reliability, and human-AI interaction. Currently building Tusk. I write at https://jytan.io. ## Work Experience ### Founding Engineer @ Tusk (YC W24) Jan 2024 – Present We help eng teams catch critical blind spots and boost engineering excellence at every commit. Making AI agents find impactful and tested edge cases for PRs, reliably. Engineer #1. Code change analysis, codebase search, navigation & analysis, test suite generation and maintenance workflows, testing infra (repo configuration, sandbox orchestration), among other things. ### Machine Learning Engineer @ 6sense Jan 2022 – Jan 2024 Developed and productionized high-performance and reliable AI systems to deliver high-impact features, enabling automated two-way email conversations in 6sense Conversational Email: • Hyper-personalized AI outreach emails • AI-powered reply automation 𝗥𝗲𝗽𝗹𝘆 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻: Fully automating >70% of live lead emails with 99.9% accuracy in production, achieving the best outcomes in the tradeoffs between accuracy, latency and human effort for scalability. • Text classification, model ensembles, NER, outlier detection (Transformers, PyTorch) • Human-in-the-loop ML, dispatch/validation algorithms, active learning, automatic consensus-based ground truths • MLOps (streaming, serverless inference, data pipelines, ONNX/quantization) • Reliable ML (data quality, testing, monitoring and observability, analytics) 𝗔𝗜 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿𝗶𝗻𝗴: end-to-end AI systems with RAG, prompt engineering, and bespoke workflows; spearheaded and deployed initiatives for ensuring reliability of LLM outputs • Semantic search backend service (FastAPI, Pinecone/pgvector, Sentence-Transformers) • LLM online evaluation / guardrails for trustworthy, reliable, and appropriate LLM outputs • Steerable LLM generation (custom intents and reply strategies) ### Machine Learning Research @ Micron Technology Jan 2021 – Jan 2021 Research project: Generalized acoustic analytics for scalable novelty detection in smart manufacturing (in other words, predictive maintenance using sound data from manufacturing equipment) ### Data Analyst @ Autodesk Jan 2021 – Jan 2021 ## Education ### Master of Science - MS in Computer Science Georgia Institute of Technology ### Bachelor of Science (Honours) in Data Science & Analytics National University of Singapore ### Singapore GCE 'A' Levels (Integrated Programme) Hwa Chong Institution ## Contact & Social - LinkedIn: https://linkedin.com/in/tanjy --- Source: https://flows.cv/junyutan JSON Resume: https://flows.cv/junyutan/resume.json Last updated: 2026-04-05