William Liu

Medical Assistant | EPIC Analyst | Healthcare Data Analysis

Poway, California, United States

About

Highly analytical Medical Assistant with a strong foundation in clinical workflows, patient support, and medical informatics. Proven track record of maintaining 90%+ clinical competency scores and ensuring 100% accuracy in medication administration via two-patient identifier protocols. Expert in electronic medical records (AEHR/EMR), patient triage, and front-office coordination. Dedicated to operational efficiency and high-quality patient care.

Experience

  • Bioinformatics Engineer II at Telesis Bioscience
    Apr 2025 - Present · 1 yr 3 mos

    • Made updates to proprietary API relevant to the company’s tools and services and assisted in the transition of legacy tools to more sleek and innovative designs, utilizing Django REST Framework in Docker containers in development and implementing changes according to requests and needs of both external customers and internal scientists • Built a NGS Variant Calling and alignment error rate pipeline that utilized MiniMap2, Bowtie2, SAMtools, and BCFtools to confirm accuracy of synthetic products provided by the field scientists • Independently wrote scripts requested by scientists to visualize data utilizing Biopython and classify customer orders leveraging ElasticBLAST with AWS • Assisted in ML algorithm training by running simulations on data to improve the calling accuracy of one of the company’s primary services, the findings of which helped train the machine learning model lead by my supervisor • Collaborated closely with many different experts, including scientists to make efficient improvements and updates to our API, UX engineers to ensure requested changes to API functioned properly end to end, developers to gain better understanding, through paired programming, of innovative tools that could be leveraged, and project managers to organize, prioritize, and streamline projects and workflows • Developed Sequence Complexity Machine Learning Algorithms. • Oligo design modeling and optimization. • Computational DNA data storage design.

  • Medical Assistant at Perlman Clinic
    Jan 2026 - May 2026 · 5 mos

    Procedural Support: Assisting in exams and procedures including swabs, vaccine injections and sterile tray setup. Patient Intake: Expert in high-volume rooming, medical history collection, and EMR charting in EPIC. Regulatory Compliance: Maintaining strict HIPAA confidentiality and "Universal Precautions" in diverse clinical settings. BLS Certified (AHA) with a focus on patient safety and rapid response.

  • Bioinformatics Scientist II at Agena Bioscience
    Jun 2023 - Mar 2024 · 10 mos

    • Lead custom panel reporter development. Design, implement, verification, validation, and production software for analyzing MassArray data to genetic test reports. I.e. SNP, CNV, Somatic mutations, PGx • Continuing to build and deploy Bioinformatics solutions for RUO, IVD and IVDR assays following strict regulatory guidelines. • Customer support (20+ Jira tickets), and experience in highly controlled regulatory environments including proper design control, development, software testing and documentation. • Develop custom analysis pipelines(end-to-end) from Oracle Database@Azure to HTML web report using R and Perl. • On-call statistical data analysis for R&D/cross-functional teams then communicate results to stakeholders.

  • Bioinformatics Scientist at Genentech Carlifornia USA
    Jan 2022 - May 2023 · 1 yr 5 mos

    • Analyzed 40+ multiomics projects involving mass spectrometry and NGS dataset. Implement business reporting solutions with stakeholders. Building dashboard reports for further research questions. •Write documentation for data, codes, and projects. Prepare, review, and deploy datasets. •Develop/test/deploy analysis pipelines(R packages) using MSQuant data to build visualization and protein/PTM identification (i.e. TIBCO, Rshiny, JMP) •Have used: OpenMS, Skyline, and MaxQuant for peak quantification.

  • Associate Scientist at Illumina
    Sep 2020 - Jan 2022 · 1 yr 5 mos

    Work with internal and external stake holders to create best in class Genotyping and Methylation array products. Collaborate within cross-functional teams (manufacturing, marketing, customer service, software, and R&D) in product development. Project management • Collaborate and manage 23 projects involving human and agriculture genotyping and methylation array (end-to-end). • Each week facilitates pre-production and quality assurance tasks in an independent and team setting. Applied lean six sigma tools to improve process capability, eliminate defects, and reduce cycle time in production. • Routinely manages 4 or more next-generation microarray and/or sequencing project pipelines. ~3K-300K samples per project at a time. • Lead weekly stakeholder meetings (50 people+) to drive each projects’ requirements and deliverables on time. R&D • Import database into SQL server, query data from server using SQL scripts, then perform downstream analysis. BI tools. • Analyze single cell sequencing, whole-genome sequencing (WAS) and Infinium Array projects(4-5 at a time) using Illumina proprietary software to generate secondary and tertiary analysis results for internal and external customers. • Maintaining automation through High Performance Computing (HPC) environment for development and optimization; computes infrastructure for NGS data (local vs AWS, etc.). • Worked extensively with LIMS systems and other laboratory software.