Hanqing Chen Email & Phone Number

Foster City, California, Us

San Francisco, Ca, Us

San Francisco, Ca, Us

- Overhauled Lob’s billing and usage recognition code, decreasing the time taken to run monthly billing by ~30%. Spun off therelevant logic from the monolithic model to their own services – built upon an event-driven system with Amazon SQS – leadingto better stability and insight during invoice generation.- Planned and executed upgrades to Lob’s SAAS subscription models, decreasing operational overhead for the finance andcustomer teams.- Revamped Lob’s billing models into a tiered system with different scopes, allowing finance to separate usages into differentinvoices and payment terms. This project secured the contract of three major Lob customers, who are now responsible for over50% of Lob’s annual recurring revenue.- Developed and maintained custom tooling in Lob’s internal tools app that managed a customer’s subscriptions, billinginformation, and invoices.

San Francisco, California, Us

- Leveraged expertise in Redux.js to eliminate excessive API calls between web page transitions, reducing loading times for users as they browse between different reports. - Independently accomplished the overhaul of three core Vitagene website components – constituting over 50% of user health reports – using React/Redux and Styled Components, leading to about 30% higher user retention rates. - Collaborated with the rest of the engineering team to transition Vitagene’s front end framework from Angular.js to React.js and Redux.js.- Integrated Mixpanel plugins to provide anonymized user activities and other analytic data to the marketing team and the products team. - Worked closely with the engineering team, QA engineers, and the product director of Vitagene in an Agile environment to prioritize and complete projects in an efficient time frame.

- Programmed automated liquid handling device with protocols to run experiments, which reduced assay runtimes by up to 50%. Additionally, instructed co-workers on the operation of the liquid handling devices. - Advised and implemented the UI/UX portions of the physicians’ web portal, including testing and designing new features that streamlined the app’s interface while providing additional functionalities.

Berkeley, Ca, Us

- Wrote macros in programs such as Visual Basic to collect and analyze attendance data of private schools that were originally done manually, which increased processing rate by over 33%. - Used programs provided by payroll companies to audit the usage of funding we provided to private schools in our program.

Torrance, Ca, Us

- Conducted measurements of the human cardiovascular CT scans using analysis programs such as OsirisX, and analyzed these data with macros such as Microsoft Visual Basic. - Reconstructed 3-dimensional digital models of the heart on the based on the analyzed data.

Bachelor Of Arts (B.A.), Cell/Cellular And Molecular Biology

Software/Web Development

Education record