# Jian Wang > Tech Lead for Tiktok Content Ecology Location: Cupertino, California, United States Profile: https://flows.cv/jianwang1 Specialties: Machine Learning, Scale out Storage Systems, Virtualization, Operating Systems, Parallel/Distributed systems, Networking ## Work Experience ### Staff Software Engineer @ TikTok Jan 2023 – Present 2025 ~ TL for Tiktok Content Ecology Algo team. We are hiring. https://lifeattiktok.com/search/7447661470168795410 https://lifeattiktok.com/search/7449455065176590610 2023 ~ 2024 Lead TV and PC recommendation work for Tiktok. Launched ranking/prerank/recall models for TV and Webapp. Grow TV DAU by 7x ### Research Scientist @ Meta Jan 2018 – Jan 2023 | Menlo Park, California * MLE Content Understanding, FB/IG Reels Recommendations IG Reels recommendation, lead user understanding axle, develop SOTA user embeddings with Graph Learning for both retrieval and ranking stage. * Created Visual Semantic Embedding with text-image contrastive loss which enables similarity-based retrieval, zero-shot learning ### Systems/Software Engineer @ Hewlett Packard Enterprise Jan 2012 – Jan 2018 | Andover, MA Scale out NAS and hyperconverged storage network ### Research Affliate @ MIT Jan 2014 – Jan 2016 | Cambridge Research on Big Data for Critical Care with Vertica In-memory Database. Critical Data Mining in Intensive care. Predicting ICU readmissions from the MIMIC-III database. https://mimic.physionet.org/ ### Software Engineer @ SUN Microsystem Jan 2003 – Jan 2005 Host Bus Adapter(HBA) device driver(AMR/AAC) development for SCSI RAID cards on x86 platform, Solaris10. Integrated SCSI RAID HBA driver to Solaris 10. ## Education ### PH.D in Computer Science Binghamton University ### Master in Computer Science Florida State University ### M.S in Computer Science Beijing University of Posts & Telecommunications ### B.S in Computer Science Beijing University of Posts & Telecommunications ## Contact & Social - LinkedIn: https://linkedin.com/in/jwang3417 --- Source: https://flows.cv/jianwang1 JSON Resume: https://flows.cv/jianwang1/resume.json Last updated: 2026-04-12