Senior Embedded Firmware Engineer (iot / BLE / Wi - fi)

Senior Embedded Firmware Engineer (IoT / BLE / Wi-Fi)

Oowlish, one of Latin America's rapidly expanding software development companies, is seeking experienced technology professionals to enhance our diverse and vibrant team. As a valued member of Oowlish, you will collaborate with premier clients from the United States and Europe, contributing to pioneering digital solutions. Our commitment to creating a nurturing work environment is recognized by our certification as a Great Place to Work, where you will have opportunities for professional development, growth, and a chance to make a significant international impact. We offer the convenience of remote work, allowing you to craft a work-life balance that suits your personal and professional needs. We're looking for candidates who are passionate about technology, proficient in English, and excited to engage in remote collaboration for a worldwide presence.

We're partnering with an innovative early-stage company revolutionizing pet health through smart, connected technology. Their product is a next-generation collar-mounted device that leverages IoT and AI to monitor pet activity, wellness, and location in real-time — helping both pet parents and veterinarians take proactive care decisions. We are looking for a Senior Embedded Firmware Engineer to join our Firmware team. If you're passionate about low-level development and excited to shape the future of pet tech, this role is for you.

Requirements:

• 5+ years experience in firmware development for IoT devices
• 3+ years experience with BLE modules from Nordic:
• Experience with both nRF5 SDK 17.1.0 and nRF Connect SDK 3.1.1
• Power optimization for battery-powered devices
• Experience implementing SPI, I2C and UART on NRF devices
• 3+ years experience with ESP32S3 and/or ESP32C6
• Experience implementing power optimization techniques (ULP, deep/light/modem sleep)
• Extensive usage of WiFi and BLE on ESP devices for IoT applications, using protocols like MQTT, CoAP, HTTP and LwM2M
• 3+ years experience with LTE-M/NB-IoT modules from Quectel and U-blox/Trasna
• Experience optimizing for different power optimzations like PSM and eDRX
• Experience with IoT protocols over LTE-M (MQTT, CoAP, HTTP and LwM2M)

Nice to Have:

• Experience with other common MCUs (STM32, NXP LPC, PIC, AVR)
• Experience with GNSS technologies
• Experience with MEMS-based sensing technologies

Benefits & Perks:

Home office; Flexible Hours; Competitive compensation based on experience; Career plans to allow for extensive growth in the company; International Projects; Oowlish English Program (Technical and Conversational); Oowlish Fitness with Total Pass; Games and Competitions.