
Firmware Engineer
1 dia atrás
About the Role
We're launching a new wave of Boldr energy management products, and we need capable hands who love building things. This is a fast-paced environment for people who thrive on hard work, tough challenges, and good laughs in the process.
As a
Senior Firmware Engineer
, you'll work directly with the CTO and our product team to design and deliver the firmware that powers our growing hardware ecosystem. You'll be hands-on from prototype to production, helping us build devices that make homes smarter and more energy efficient.
The role is hybrid – mostly remote, but with occasional in-person collaboration at our São Paulo office
.
Responsibilities
- Lead the design, development, and optimization of firmware for IoT devices, from prototyping to production.
- Work directly with the CTO on firmware architecture, performance improvements, and product roadmap execution.
- Collaborate with hardware, product, and cloud engineering teams to deliver end-to-end solutions.
- Debug, test, and validate firmware for reliability, performance, and compliance.
- Implement OTA updates, connectivity protocols, and power management strategies.
- Contribute to documentation, coding standards, and best practices.
- Mentor and support junior engineers, providing technical guidance where needed.
Requirements
- 5+ years of experience
in embedded systems or firmware engineering. - Strong knowledge of
C/C++
for microcontrollers. - Experience with
RTOS environments
and low-level debugging. - Solid understanding of electronics, hardware-software integration, and testing.
- Ability to work independently and drive projects forward with minimal supervision.
- Excellent problem-solving skills and attention to detail.
- Fluent English
(spoken and written) – required to work directly with international teams.
Nice to Have
- Hands-on experience with the
ESP32 architecture
(ESP-IDF, FreeRTOS, Wi-Fi/BLE stacks). - Knowledge of IoT protocols (Matter, MQTT, I2C, etc).
- Experience with over-the-air firmware updates and secure bootloaders.
- Familiarity with cloud integrations (AWS IoT, GCP, Azure IoT).
What We Offer
- Opportunity to work on meaningful products at the intersection of
climate tech, hardware, and IoT
. - Build products that is used in 70+ countries and loved by thousands
- A collaborative, international team passionate about solving energy challenges.
- Hybrid work model with flexibility.
- Competitive compensation package.
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