Freelancer profile translated to English.
Back to original languageAbout Samuel
Development of comprehensive electronic projects for companies that need to outsource hardware and/or firmware development, and are looking for a serious and professional senior engineer who delivers quality work within agreed deadlines.
I work through my own SL, Bretema Prototypes.
Technical Capabilities:
- Electronic Architecture and Design: Definition of analog and digital electronic systems architecture.
- Simulation: Simulation with LTSpice for validation of complex analog subcircuits.
- PCB Design: Design of multilayer PCBs with KiCad and generation of manufacturing files (Gerbers, BOM, pick&place).
- PCB Assembly: Assembly of electronic boards to speed up prototype manufacturing.
- Embedded Firmware: Firmware development in C for STM32 (with FreeRTOS). Experience in Arduino/ESP32 and Raspberry Pi ecosystems.
- Communications: UART, SPI, I2C, RS-485, RS-232, Ethernet, etc. interfaces.
- Integration: Integration of LoRa, NFC, RFID, radar, etc. modules.
- Mechanical Prototyping: Design of enclosures/housings and auxiliary parts in Fusion360. Manufacturing via FDM 3D printing for rapid iterations.
- Automation and Tools: Development of auxiliary tools/applications in Python and C# for testing and validation of electronic prototypes
- R&D Technical Management: Technical coordination of projects and communication with suppliers.
Spanish
Native or bilingual
English
Fluent
Can work on-site
Vigo (up to 50km)
Experience
- Bretema PrototypesR&D Electronic EngineerMarch 2025 - Today (1 year and 5 months)Vigo, SpainDevelopment of integral electronic projects for startups and industrial companies.
- Electronic Architecture and Design: Definition of analog and digital electronic systems architecture.
- Simulation: Simulation with LTSpice for validation of complex analog subcircuits.
- PCB Design: Design of multilayer PCBs with KiCad and generation of manufacturing files (Gerbers, BOM, pick&place).
- PCB Assembly: Assembly of electronic boards to speed up prototype manufacturing.
- Embedded Firmware: Firmware development in C for STM32 (with FreeRTOS). Experience in Arduino/ESP32 and Raspberry Pi ecosystems.
- Communications: UART, SPI, I2C, RS-485, RS-232, Ethernet, etc. interfaces.
- Integration: Integration of LoRa, NFC, RFID, radar, etc. modules.
- Mechanical Prototyping: Design of enclosures/housings and auxiliary parts in Fusion360. Manufacturing via FDM 3D printing for rapid iterations.
- Automation and Tools: Development of auxiliary tools/applications in Python and C# for testing and validation of electronic prototypes
- R&D Technical Management: Technical coordination of projects and communication with suppliers.
- Principle PowerO&M EngineerMarch 2022 - February 2025 (2 years and 11 months)Viana do Castelo, PortugalInstallation, troubleshooting, and data analysis of industrial electronic equipment and sensors in the offshore wind sector.
- Electronic Systems Integration and Troubleshooting: Installation and troubleshooting of IMU, GPS, inclinometers, strain gauges, etc. equipment.
- Automation and Data Analysis: Development of scripts in Python and Warpscript for sensor data analysis. Automation of internal workflows using Excel VBA and development of applications in C# for internal use.
- Marine InstrumentsR&D Electronic EngineerSeptember 2019 - March 2022 (2 years and 6 months)Vigo, SpainDevelopment of monitoring and control equipment for marine and defense applications.
- Analog Front-End Design: Design of amplification and filtering stages for signal acquisition in audio and ultrasound applications. Optimization through simulation in LTSpice.
- Embedded Systems: Firmware in C for 8-bit (EFM8, 8051) and 32-bit (STM32) microcontrollers with HAL and RTX (RTOS). Implementation of digital filtering techniques (FIR + IIR).
- Wireless Communications: Integration of LoRa (RFM95W) and Microhard radio modules for remote communications.
- Signal Processing: Development of scripts in Python for acoustic data processing.
- Mechanical Prototyping and Integration: Mechanical design in Solidworks. 3D printing for rapid validation and manufacturing of auxiliary parts.
Recommendations
Be the first to recommend Samuel
Help this freelancer shine by sharing your experience working together.
These freelancer profiles also match your criteria
Agatha Frydrych
Backend Java Software Engineer
4.7
(3)
2
Baptiste Duhen
Fullstack developer
4.6
(4)
5
Amed Hamou
Senior Lead Developer
4
(2)
7
Audrey Champion
Web developer
4.3
(3)
4
Education
- Degree in Industrial Electronics and Automation EngineeringUniversity of Vigo2015
- Master's Degree in MechatronicsUniversidade de Vigo2022* TFM pendiente