
Tobias Keller
PCB Design And Embedded Systems Engineer, IoT And Circuit Expert
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Upwork
Freelance • 0 mos
Electronics & Circuit Design Engineer
Jun 2025 - Jun 2025 • 0 mos
Developed circuit designs and PCB layouts for digital and analog systems. Performed simulation, debugging, and testing to ensure performance and reliability. Supported prototype development and improved existing designs for better efficiency and manufacturability.
PCB & Embedded Systems Engineer
May 2025 - May 2025 • 0 mos
Designed PCB layouts, circuit schematics, and embedded systems for IoT devices, automation systems, and custom electronics. Delivered Gerber, BOM, and manufacturing-ready files while optimizing routing, signal integrity, and power distribution. Worked with Arduino, ESP32, and multiple PCB design tools to build reliable hardware solutions from concept to production.