Johnson & Johnson Medtech. Santa Clara, CA.Verification of software components for a Linux-based, surgical robotics system in adherence with FDA regulation in an Agile testing cycle.Duties include but not limited to:● Performed verification of software for subsystem and component operations.● Performed verification of hardware motion in response to software commands.● Performed verification of software subsystems including GUI, logging, controls.● Executed bug verification tests in simulated and full system environments.● Identified and reported software and system bugs.● Identified testing weaknesses and commented on tests per run. Provided practical solutions for updating tests to meet all objectives.

Abbott Diagnostics Division. Santa Clara, CA.Verification of software components for a hematology system in adherence with FDA regulation in an Agile testing cycle.Duties include but not limited to:● Identified testing weaknesses and filed related bugs. Provided practical solutions for updating tests to meet all objectives.● Performed ad hoc and formal verification of software for general sample processing, additional assay-specific features.● Performed subsystem logging, system service, daily and weekly maintenance verification.● Performed verification of hardware motion in response to software commands.● Performed test execution review.

Verification of software and risk mitigation components for radiotherapy system in kV and MV energy ranges in the Agile development methodology.Duties include but not limited to:•Wrote test cases for test case automation.•Wrote test automation scripts in Python for testing of software •Test automation of software features included GUI features, login, system operations. •Identified defective requirements in tests for hardware caution labeling and related service manuals•Drove change in defective requirements and rewrote related tests•Performed verification of software for patient treatment, system service, daily maintenance.•Performed verification of hardware motion in response to software commands.•Performed verification of risk mitigation measures.

•Responsible for API integration over HTTPS•Reported software bugs and functional issues to 3rd-party software vendor. Worked with vendor to resolve issues.•Supported in-house software engineers to integrate product server software with vendor software.•Supported system engineering group to integrate software with sample preparation system. •Performed requirements review for data-conversion software from test perspective.

GeneWEAVE Biosciences, A Division of Roche Molecular Solutions, Los Gatos, CA.Software Verification of a new luciferase-based medical device for screening of potential bacterial infections in adherence with FDA regulation and ISO standards. Waterfall development cycle.Duties included but not limited to•Primary responsibility for User Interface test development relative to software requirement specifications. Authored all UI test documents for early clinical and engineering releases of software. •Lead UI test development for final clinical software release.•Rewrote existing UI test documents to account for changes in UI requirements, appearance and function for final clinical release.•Responsible for language translation test development. Performed ad hoc testing in 5 languages. Outlined test procedure for upcoming launch version of UI software. Designed procedure to be interchangeable between languages. •Lead clinical database project from concept to testing in 12 weeks. Defined software requirement specifications, performed test planning, identified test protocol scope, authored test protocols, performed ad hoc, debugged, oversaw testing. Clinical database software met all requirements.•Performed test debug and execution for instrument software on embedded system.

Roche Molecular Diagnostics, Pleasanton, CA.System Development of a PCR-based medical device for blood screening in adherence with FDA regulation) and ISO standards in a BSL2 lab. Waterfall development cycle.Duties included but not limited to•Responsible for redevelopment of liquid classes critical to high-throughput customers; developed test protocols and execute verification; authored parameter and summary documents. 4 months time from investigation of liquid class settings to new settings in use on customer systems.•Responsible for personnel and laboratory resource management including system time, consumables and media to deliver redeveloped liquid classes. Supervised 2 system engineers and ran 3 systems for maximum efficiency late in development and during test execution phase.•Ensured product quality through analysis of data and investigation of anomalies. •Authored, debugged and rewrote test protocols for system-level verification.•Executed test protocols for user interfaces of all subsystems: sample pooling, sample processing, data management.•Performed ad hoc testing, bug reporting and bug fix testing from first beta to release candidate for multiple aspects of the system including UI.System Development of a PCR-based medical device for cancer diagnostics and characterization in adherence with FDA regulation and ISO standards in a BSL2 lab.Duties included but not limited to•Performed ad hoc testing to characterize behavior at system and component level during beta and release candidate development.•Performed ad hoc testing to investigate unexpected software issues during beta and release candidate development.•Developed and maintained ad hoc databases and import / export procedures to minimize time required to re-image and re-install during beta and release candidate development. Reduced time required to create a database from 4 hours to 20 minutes.

Systems Integration and Test of a flow cytometry-based medical device for blood cell counts in adherence with FDA regulations and ISO standards during the design feasibility, development and integration phases.Duties included but not limited to•Developed subsystem integration test procedures and executed on prototype systems.•Performed troubleshooting on subsystem integration issues involving software, firmware and subsystem hardware.•Performed subsystem firmware and hardware operations using Python script language.•Wrote Python scripts for operation of and acquisition of data from subsystem hardware including valves, capacitive and electrical sensors, motors, LEDs and photodiodes.

Systems Development of a PCR-based medical device for blood screening in adherence with FDA regulations and ISO standards during the feasibility and development phases in a BSL2 lab. Waterfall development cycle.Duties included but not limited to•Performed Inaccuracy and Imprecision analysis on sample pooling process.•Authored, debugged and rewrote test protocols for pooling subsystem and database management software.•Performed ad hoc of system and all subsystems.•Evaluated system performance relative to established product requirements through system-level verification.•Evaluated subsystem performance relative to established product requirements through unit-level verification.•Analyzed quantitative data using JMP to verify operation of fluidics subsystem within tolerance.

Development of manufacturing tests for fluidics and thermal subsystems of genome sequencing system. Duties included but not limited to•Analyzed data using Minitab to develop test procedure and tools to test fluidics subsystem. •Drove assembly process changes to reduce leaks in fluidics system during test development.•Developed and documented test process to verify proper operation of thermal subsystem during manufacture.•Provided troubleshooting support to manufacturing group.

Production of genome sequencing system composed of Windows-Linux hybrid networked computing nodes and software-controlled peripheral hardware clusters. System integrates optics, 2-D electro-mechanical system for optical positioning, fluidics, thermal control and robotics.Duties included but not limited to•Performed top-down hardware troubleshooting to board level. •Assembled subsystems from individual components. Tested the completed subsystem.•Assembled system from subsystem level.•Performed quality control, calibration and testing of complete system.•Recommended design changes to optics and fluidics systems to improve technician and field service access to system.

Experimental setup, prototype and pre-production testing, troubleshooting, data analysis, and failure analysis on complex electronic components and subsystems on multi-tiered LAN-based, Linux-native systems designed for Homeland Security threat detection.Duties included but not limited to•Performed subsystem- and system-level performance and failure/stress testing during system qualification.•Collected and analyzed data for patterns unique to satisfactory performance or failure; produce statistical analysis of data.•Developed and executed experiments to acquire data for algorithm development and to improve system performance.•Wrote in custom, in-house script language to calibrate and analyze data.•Performed data optimization to improve and/or replace previous formulations of simulated threats. •Performed troubleshooting of hardware and software on all systems from research to fielded level.•Tested and validated diagnostic and end-user software.•Established, documented and performed subsystem assembly processes.•Integrated system control, data acquisition systems and related electrical systems on research level systems.

Temporary employment after relocation back to the Bay Area while seeking scientific employment.

Two sections of physics labs per semester. Instruct students in lab procedures, experimental methods, and provide tutorial instruction on physical concepts. Graduate student in laser ultra-fast optics (including laser technologies).