CareersHardwareSenior Firmware Engineer

Senior Firmware Engineer

São Paulo Headquarters

Why join us

TRACTIAN is reimagining industrial systems so that every frontline maintenance worker can realize their full potential. We're building software and hardware in one place—disrupting long-standing institutions with products and experiences that better serve the ambitions of our clients.

Working at TRACTIAN allows you to push your limits, challenge the status quo and collaborate with some of the brightest minds in the industry. Our team members have the autonomy needed to accomplish challenging goals. We are a growth-stage startup and you will work directly with the founders, helping to define the vision, product and user experience.

Hardware at TRACTIAN

The Hardware team is responsible for designing and improving our IoT devices, dealing with every step of the development process, ranging from PCB design, firmware programming, case design, validations and certifications, always aiming to build trustworthy products, that can be produced at a mass scale.

What you'll do

As a Senior Firmware Engineer, you will be responsible for designing and coding the Embedded Software inside our IoT. Build the new generations of firmware in our devices and troubleshoot complex client problems. Your goal is to allow Tractian to provide machines online monitoring for every maintenance team in the world using a fast and reliable IoT.


Design firmware architectures, develop new features, and build performance-intensive, memory constrained apps while maintaining a high-quality modern C/C++ code.

Troubleshoot complex client problems, debug firmware based on collected data, understand the root cause of problems and come up with solutions.

Develop firmware solutions based on hardware, power, and feature constraints of a new generation of devices.

Design and implement test routines to validate both logical and firmware-related electrical functionalities of our IoT devices.

Generate and maintain documentation for algorithms, logics, and code base.

Follow guidelines and best practices for version control, repository management, and firmware releases.


5+ years experience with embedded software development, RTOS such as freeRTOS, low-level frameworks such as CMSIS, ESPIDF, and STM HAL.

Expert-level in modern C/C++ coding skills.

Strong understanding of data structures and data theory.

Comprehension of Object Oriented Programming concepts and practices.

Expertise in embedded systems development.

Knowledge of electronic concepts, topologies and components.

Ability to read and understand advanced technical documentation and data.

Bonus Points

Experience with other low-level programming languages.

Strong comprehension Digital Signal Processing concepts and applications.

Understanding of Network Theory and wireless protocols (WiFi, Bluetooth, Cellular, etc.).

Scripting languages such as Python.

Fluent English proficiency.

Live or have availability to move to Sao Paulo.


Competitive salary and stock options

R$800/mo for you to use with food in supermarkets, restaurants and delivery

GymPass so you don't sit/work all day

Optional fully funded English / Spanish courses

30 days of paid annual leave

Education and courses stipend

Earn a trip anywhere in the world every 4 years

Day off during the week of your birthday

R$200 a month for remote work allowance

Mental health support: we cover 40% of the cost of your therapy

Health plan with national coverage and without coparticipation

Dental Insurance: we help you with dental treatment for a better quality of life.

Sports Incentive: R$300/mo extra if you practice activities

Up to R$5.000 bonus for referring new Blue Caps

See also

Firmware Engineer

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Firmware QA Analyst

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Hardware Engineer - Telecommunications

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Hardware Test Engineer

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