• Developed devices for automotive projects, e.g. Smart LED Headlights• Developed ATE and testing solutions (test cells, handlers, probers) • Experienced with Advantest V93K using Smartest8• Developed data analysis tools. Data cleaning, transformation using numpy, pandas, data visualisation using matplotlib, seaborn, plotly and creating interactive dashboards using plotly, dash, streamlit• Developed tools to handle STDF and to run GR&R, using ANOVA, MSA and six sigma methods• Conducted workshops to teach and train python to colleagues

• Lead to design and develop bench testing solution, NI PXIe instruments, customized hardware jigs, customized PCBA, camera automation, and software using LabVIEW + Python• Developed python software framework to replace LabVIEW. Users are able to customize new test sequences and recipes without programming knowledge• Developed tools using python to handle tester GR&R qualification works (ANOVA, MSA, Six Sigma), reducing qualification time required from 3 days to 0.5 day• Developed inline tester monitoring system, automated golden unit monitoring to ensure quality of production testers inline• Developed version control system using git and python web framework to monitor and control all production testers inline• Developed web applications for product document control, distribute customized tools and documentations using python Django, Gunicorn, Sphinx, Nginx, Linux Server and Postgres DB

• Developed small optical and sensor packages for wearables and mobile devices• Proximity sensors, ambient light sensors, micro-lens array and waveguide• Worked directly with customers from RFQ, Proof of concepts, P1 Engineering builds, EVT, to MP phases• Qualify customised new testers, ATE, stress run and troubleshoot tester reliability problems• Experienced with instruments from Instrument Systems (IS), National Instruments (NI), Keithley, Radiant, Oscilloscopes, Spectrometers, Goniophotometer, Conoscope, etc.• Data collection, cleaning, transformation on large dataset from production using Minitab, JMP and python• Generate yield analysis, SPC controls, and reports to customers

• Optimize processes to for hard disk media, dealing with surface engineering and tribology• Precision cleaning, solvent and vapor degreasing• Thin CVD/PVD Carbon (DLC) engineering, lubrication and burnishing• Work closely with HQ and cross-site Japan, Taiwan, Malaysia, quaterly knowledge sharing and conferences• Managed a team of 20 operators and technicians for 24/7 sample runs and operations• Failure analysis and characterisation with AFM, SEM-EDX, XRD, FTIR, Raman mass spectroscopy, GC, UV-vis• Metrology tools µContact angle, surface defect counts, surface roughess, waviness• Developed tools for data collection, analysis using Minitab, VB and excel• Developed SPC tools using python

Responsible for performing various analysis, assessing samples and conducting experiments to evaluate cleaning efficiency. Also, day-to-day routine require up-keeping of the lab facilities and managing the inventory.- Non volatile residue analysis- Liquid particle count- Fourier Transform Infra-Red Spectroscopy (FTIR)- Optical microscopy imagingPrecision cleaning- Use of various 3M Novec Engineered Fluids for targeting precise contamination- Vapor degreasers - Ultrasonic cleaning