Oowlish

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

Posted 17 Days Ago

Be an Early Applicant

7 Locations

In-Office or Remote

Senior level

Software

The Role

The Senior Embedded Firmware Engineer will develop embedded firmware for IoT devices, focusing on BLE and Wi-Fi modules, while ensuring clean coding practices and unit testing are frequently utilized.

Summary Generated by Built In

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/

Top Skills

Ble

Clean Code

Iot

Python

Unit Testing

Version Control

Wi-Fi

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The Company

106 Employees

Year Founded: 2017

What We Do

We are on a mission to give every company, no matter the size, the opportunity to innovate and help build a better future. Our Services: Dedicated Tech (full/partial) Squads: we create multi-disciplinary, remote (near-shore) Tech Squads that become part of your team. They adapt to your workflows and are trained on Agile methodologies to deliver continuous value. We believe that well-trained remote teams bring clients the opportunity to increase innovation output by accessing a greater / more diverse pool of talent, while reducing the cost of development. On-Demand Software Development: at our core, we are software developers excited about building digital products and solutions using the latest technologies and agile methodologies. We provide end-to-end capabilities to deliver on your technical requests. Product Management, Tech Architecture, Front / Back End Development, Devops & QA Venture Building: we partner with companies to co-launch new digital businesses that leverage core assets of the company (distribution channels, customer base, industry knowledge, proprietary technology, etc). We take the co-created ideas into MLP’s (Most Lovable Product) aiming to find product market fit and scale in the leanest possible way. As startup founders ourselves, we love getting things from 0 to 1. We are End-To-End Innovation Enablers, helping your company unlock it's full innovation potential.