Junqing He
Data Scientist @Careerscrossroad
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WORK HISTORY
Data Scientist @Careerscrossroad
San Francisco, CA, US
Partnered with the recruiting team to map the end-to-end candidate user journey, identifying drop-off points and conversion gaps across sourcing, resume viewing, and shortlisting stages using SQL queries and behavioral log analysis- Conducted root cause analysis on declining recruiter engagement by performing trend analysis in Python across key KPIs such as match score distribution, time-to-fill, and recruiter feedback sentiment; revealed rigid filtering logic as a primary blocker- Built interactive KPI dashboards in Tableau and Python to visualize recruiter funnel behavior, false match trends, and latency across markets; leveraged findings to inform roadmap prioritization.Architected a real-time job-candidate recommendation system by migrating embeddings from MongoDB to Milvus, reducing average retrieval latency by 35% and increasing top-match precision by ~20%- Prototyped an agent-based candidate screening tool using prompt engineering with GPT-4 to simulate recruiter logic; conducted A/B testing using statistical methods in Python, resulting in a +12pt lift in recruiter satisfaction scores- Collaborated with engineering and business stakeholders to scale matching logic into production and contributed to improved client retention by reducing average time-to-fill by 40% and increasing match acceptance rates.
EDUCATION
University of California, Davis
Bachelor of Science - BS
UC Berkeley College of Engineering
Master of Engineering - MEng
ABOUT JUNQING HE
Data enthusiast with experience in analytics, machine learning, and product-focused data science. I hold a Master’s in Industrial Engineering & Operations Research from UC Berkeley and a BS in Computer Science from UC Davis, with added training in statistics and data analysis.I\'ve worked across tech, consulting, and enterprise at CareersCrossroad, Deloitte, and Oracle—on projects like real-time job-candidate matching, IPO audit support, and scalable financial databases.I’m driven by using data to solve real problems and create impact. Currently seeking new full-time opportunities in Data Science, Business Analytics, or Strategy—especially with mission-driven teams.
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