Amir S.

Experience

• PCB Designer Levin Tuning · Full-time Mar 2022 – Present 3 yrs 9 mos Iran + Developed three STM32-based standalone automotive ECUs for diverse vehicle platforms, managing the full cycle from schematic design to firmware integration and production testing.
  + Designed and optimized ignition and fuel systems for 8-cylinder engines, achieving up to 15% improvement in performance and fuel efficiency.
  + Engineered and validated Drive-by-Wire (DBW), Knock Sensor, and Wideband O₂ controllers, ensuring reliable signal processing under harsh automotive conditions.
  + Integrated CAN and LIN bus communication with refined PCB layouts, completing five EMI/EMC-compliant design iterations for signal integrity and durability.
  + Supported field calibration and deployment with tuning specialists; all ECUs delivered zero failures in over 3 years of operation.
• elecrical engineer Freelance and Other project · Self-employed Feb 2019 – Present 6 yrs 10 mos Iran + Collaborated with GEM Audio on the design and production of 200+ professional condenser microphones, ensuring high-quality, low-noise audio performance.
  + Developed a smart footpad board for physiotherapy, measuring pressure and temperature for medical diagnostics.
  + Assisted tech startups in optimizing PCB designs and production, cutting manufacturing costs by 30% through efficient component and process selection.
  + Designed custom ESP32/STM32-based hardware for IoT, audio, and industrial applications.
• Hardware & Firmware Engineer AIVWA · Full-time May 2020 – Sep 2025 5 yrs 4 mos Iran + Designed and produced over 10 industrial-grade control boards, deployed in 24/7 operation under high humidity and noisy environments — achieving flawless performance for over 4 years.
  + Boosted system speed and precision by 50% through circuit optimization and refined firmware control logic.
  + Simplified internal wiring and modularized board interfaces, reducing assembly time from one month to one week.
  + Enhanced board stability via EMI/EMC optimization and thermal management improvements.
  + Led full hardware lifecycle — schematic, PCB layout, firmware validation, prototyping, and on-site testing — ensuring high reliability and easy maintainability.
  + Documented all QA and testing stages, improving traceability and product iteration cycles.