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Wendong Song

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Available to hire

I Will briefly explain into the interview

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
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Language

English
Fluent
Chinese
Fluent
Spanish; Castilian
Fluent

Work Experience

Machine Learning Software Engineer at KOS AI
July 1, 2025 - Present
Train and optimize clinical ML models on large-scale patient data, leveraging advanced feature engineering and hyperparameter tuning to achieve improvements in predictive accuracy and treatment personalization.
Software Engineer at Changing the Present
February 1, 2025 - July 1, 2025
Built and deployed a full-stack internal tool with React and normalized SQL schema, automating manual workflows and reducing admin overhead by 60% across 3 teams; improved data reliability and interoperability by developing RESTful APIs with integrated unit tests, cutting backend response times by 35%.
Assistant Scientist in Computation at UC Davis Health, School of Medicine
September 1, 2023 - February 29, 2024
Engineered scalable big data processing pipelines to handle vast datasets, leveraging Pandas DataFrames, neural networks, and Redis caching, ensuring 99.9% data persistence across Apache Airflow and Django tasks.
Co-founder / Lead Engineer at BeThera
September 1, 2022 - September 1, 2023
Founded and scaled an NLP chatbot service for on-demand relationship counseling, harnessing empathetic fine-tuned conversational AI to alleviate relationship stress and generating $10K+ revenue in the first quarter; engineered an LLM-based architecture integrated with a Pinecone vector database to improve semantic retrieval and reduce response times by 75%, enabling real-time, tailored user interactions.
Software Engineering Intern at Guardant Health
May 1, 2022 - August 1, 2022
Independently developed and tested a new Laboratory Information Management System (LIMS) feature using Java and LabVantage, automating sampling processes for 20,000+ users across histology labs and reducing processing time by 35%.
Software Engineering Intern at Evolve Biosystems, Inc.
December 1, 2021 - May 1, 2022
Contributed to software development in a biotech environment, supporting data pipelines and tooling for research workflows.

Education

Postgraduate study in Engineering at University of California, Berkeley
August 1, 2024 - January 1, 2025
B.A. in Philosophy, B.S. in Computer Science at University of California, Davis
January 11, 2030 - December 31, 2024

Qualifications

Certificate in AI Application Development
January 1, 2024 - December 31, 2024
Startup Fellow
January 1, 2024 - December 31, 2024
Advanced Coding Algorithm
January 1, 2024 - December 31, 2024
Certificate in Data Science
January 1, 2025 - December 31, 2025

Industry Experience

Software & Internet, Healthcare, Life Sciences, Professional Services, Computers & Electronics