Senior Embedded Firmware Engineer (IoT / BLE / Wi-Fi)
São Paulo, Brazil / Recife, Pernambuco, Brazil / Rio de Janeiro / Brasília, Federal District, Brazil / Belo Horizonte, Minas Gerais, Brazil / Greater Fortaleza / Greater Curitiba
IT Operations – Networking /
Remote /
Remote
Join Our Team
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.
About the Role:
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;
You can also apply here:
Website: https://www.oowlish.com/work-with-us/
LinkedIn: https://www.linkedin.com/company/oowlish/jobs/
Instagram: https://www.instagram.com/oowlishtechnology/
