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.

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

Benefits & Perks

We are an equal opportunities employer and welcome applications from all qualified candidates.

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