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Senior Electronic Hardware Engineer

$30/hr Starting at $70

I am a Senior Electronic Hardware Engineer with extensive experience in PCB design, embedded systems development, and firmware programming for a wide range of commercial and industrial products. I specialize in transforming concepts into manufacturable, high-performance electronic products, from schematic design and PCB layout to firmware development, prototyping, testing, and production support.


### High-Speed RF & Embedded MCU Expertise


# RF & Wireless Technologies

•    Bluetooth Low Energy (BLE 5.x)

•    Wi-Fi (2.4 GHz / 5 GHz)

•    Zigbee

•    Thread / Matter

•    LoRa / LoRaWAN

•    NB-IoT / LTE-M

•    GPS/GNSS

•    Sub-GHz RF (315 MHz, 433 MHz, 868 MHz, 915 MHz)

•    NFC and RFID


# High-Speed PCB Design

•    RF impedance-controlled PCB layout

•    Differential pair routing

•    High-speed signal integrity analysis

•    Multi-layer stack-up optimization

•    RF matching networks and antenna integration

•    EMC/EMI compliance design

•    Power integrity optimization

•    DDR, USB, Ethernet, CAN, SPI, SDIO, and high-speed interfaces


# MCU & SoC Platforms

•    STM32 Series (F0/F1/F4/F7/H7/WB/WL)

•    ESP32 Series (Xiao ESP32S3, ESP32-WROOM-32, ESP32-WROVER, ESP32-C6)

•    Nordic nRF52 / nRF53 BLE SoCs (nRF52840, nRF5340, u-Blox NoRa-B1)

•    NXP Kinetis, LPC and i.MX RT (RT1060, RT1170)

•    Silicon Labs EFR32 (EFR32BG, EFR32MG)

•    Renesas RA/RX (RA2, RA4, RX231, RX651)

•    Microchip PIC & SAM Series (PIC24, dsPIC33, SAME5x)

•    Raspberry Pi (3/4/5 modules, CM4/5 modules, Rp2040 MCU, Pico module)


# PCB Design & Hardware Development

•    Multi-layer PCB design (2–16+ layers)

•    High-speed digital and mixed-signal design

•    RF and wireless device design

•    Compact and handheld product development

•    Wearable electronics design

•    Medical device electronics

•    Automotive electronics

•    Power supply and power management circuits

•    Battery-powered and low-power systems

•    EMC/EMI optimization and signal integrity



I am committed to delivering reliable, production-ready electronic solutions with a strong focus on quality, performance, manufacturability, and project complete. Whether you need a complete product design or support for a specific hardware or firmware challenge, I can help bring your idea to reality.


Thank you for reviewing my profile.

Regards,


Angel Ortega


About

$30/hr Ongoing

Download Resume

I am a Senior Electronic Hardware Engineer with extensive experience in PCB design, embedded systems development, and firmware programming for a wide range of commercial and industrial products. I specialize in transforming concepts into manufacturable, high-performance electronic products, from schematic design and PCB layout to firmware development, prototyping, testing, and production support.


### High-Speed RF & Embedded MCU Expertise


# RF & Wireless Technologies

•    Bluetooth Low Energy (BLE 5.x)

•    Wi-Fi (2.4 GHz / 5 GHz)

•    Zigbee

•    Thread / Matter

•    LoRa / LoRaWAN

•    NB-IoT / LTE-M

•    GPS/GNSS

•    Sub-GHz RF (315 MHz, 433 MHz, 868 MHz, 915 MHz)

•    NFC and RFID


# High-Speed PCB Design

•    RF impedance-controlled PCB layout

•    Differential pair routing

•    High-speed signal integrity analysis

•    Multi-layer stack-up optimization

•    RF matching networks and antenna integration

•    EMC/EMI compliance design

•    Power integrity optimization

•    DDR, USB, Ethernet, CAN, SPI, SDIO, and high-speed interfaces


# MCU & SoC Platforms

•    STM32 Series (F0/F1/F4/F7/H7/WB/WL)

•    ESP32 Series (Xiao ESP32S3, ESP32-WROOM-32, ESP32-WROVER, ESP32-C6)

•    Nordic nRF52 / nRF53 BLE SoCs (nRF52840, nRF5340, u-Blox NoRa-B1)

•    NXP Kinetis, LPC and i.MX RT (RT1060, RT1170)

•    Silicon Labs EFR32 (EFR32BG, EFR32MG)

•    Renesas RA/RX (RA2, RA4, RX231, RX651)

•    Microchip PIC & SAM Series (PIC24, dsPIC33, SAME5x)

•    Raspberry Pi (3/4/5 modules, CM4/5 modules, Rp2040 MCU, Pico module)


# PCB Design & Hardware Development

•    Multi-layer PCB design (2–16+ layers)

•    High-speed digital and mixed-signal design

•    RF and wireless device design

•    Compact and handheld product development

•    Wearable electronics design

•    Medical device electronics

•    Automotive electronics

•    Power supply and power management circuits

•    Battery-powered and low-power systems

•    EMC/EMI optimization and signal integrity



I am committed to delivering reliable, production-ready electronic solutions with a strong focus on quality, performance, manufacturability, and project complete. Whether you need a complete product design or support for a specific hardware or firmware challenge, I can help bring your idea to reality.


Thank you for reviewing my profile.

Regards,


Angel Ortega


Skills & Expertise

Altium DesignerComputer HardwareElectronicsEngineeringESP32 ProgrammingFirmwareLayout DesignPCB DesignProgrammingSTM32

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