Mingjun Geng
Electronics & Software Engineer at 4G ENG, INC
San Francisco, California, United States
Summary
👤
Senior🎓
Top SchoolMingjun Geng is an Electronics & Software Engineer based in San Francisco with over 15 years of hands-on experience bridging R&D, manufacturing, and test for mixed-signal and RF systems. He excels at PCB prototyping, precision SMT rework, and pinpointing component-level faults using oscilloscopes, spectrum/logic analyzers, and firmware diagnostics, and has built FPGA-driven RF systems integrated with microcontrollers. Comfortable across analog/digital domains and embedded Linux, he also writes Python and C test scripts to automate hardware validation and speed prototype turnaround. Mingjun’s background in both supplier-facing production coordination and detailed lab validation means he keeps design intent aligned with real-world performance—a practical advantage when moving concepts to production. He recently augmented his skill set with full-stack web development, bringing software tooling perspectives to hardware test and automation.
9 years of coding experience
11 years of employment as a software developer
Full Stack Web Development Certification, Full Stack Web Developer, Computer Science, Full Stack Web Development Certification, Full Stack Web Developer, Computer Science at BloomTechComputer Application Technology, A-, Computer Application Technology, A- at Baoji University of Arts and Sciences
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (11)
node-server10
nodejs8
css-grid8
testing8
css6
node-module6
react6
javascript5
flexbox4
java2
python1
Programming languages (5)
Github contributions (5)
MingjunGeng/Code-Knowledge
Mar 2022 - Feb 2023
TEST
Contributions:589 PRs, 357 pushes, 587 branches in 11 months
cssjavascriptreact
MingjunGeng/FullStackWeb
Aug 2021 - Jan 2023
Contributions:45 PRs, 112 pushes, 13 branches in 1 year 5 months
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