Sam J.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

• PCB design and layout using Altium Designer • Experienced package and enclosure design using Solidworks • RF design and simulation using Ansys HFSS • Knowledge of software engineering concepts, software design, and user interface design • Experience programming in MATLAB, LabView, C++, Python • Hands-on experience with analog/digital circuit design, sensors, troubleshooting and bench test • Proven experience with PIC, STMicro and Cypress MCU implementations • Familiarity with Linux, Unix based operating systems • Experience in functional testing and qualification of complex electromechanical systems • Experience building prototypes, and with product development • Designed and produced turnkey predictive lifecycle monitoring system for mining industry from concept to production • Participated in the design and launch of a completely new consumer cellular signal booster from concept phase to product introduction • Developed and implemented capacitive pressure sensor for biometrics applications • Designed and implemented a humidity/temp sensor for solar fan applications • 2015 “Best in Business Award” prize winner from the University of Utah Health Sciences, Center for Medical Innovation, Bench-2-Bedside program