intent - Firmware Engineer
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Firmware Engineer

  • Remote
    • Warsaw, Mazowieckie, Poland
  • Firmware

Job description

We’re currently seeking a passionate freelance Firmware Engineer to join our forthcoming projects. As a freelancer cooperating with intent, you'll have the chance to work on diverse IoT projects, contributing your expertise to our team. At the moment, there are no ongoing projects, but we eagerly await upcoming opportunities and are keen to engage with talented Firmware Engineers.


intent has over 10+ years of experience in helping to conceptualize, design, and build apps for IoT and connected devices. We're a software house that acts as a specialized think partner for products at the intersection of physical and digital (like wearables and IoT) - from net-new to products looking to enter a competitive and established niche. Some of our clients include Oura, BOSE, and McIntosh audio systems.



💎 Requirements: 4+ years of experience in Firmware development, experience with C development for embedded systems, experience with ESP32, Bluetooth knowledge incl. BLE, good command of written and spoken English (min B2).

💰 Salary: 23-30K net on B2B depending on your experience.

🏝️ Perks and benefits: 100% remote work, flexible working hours, and knowledge-sharing initiatives. Moreover, if after a few months of working together, we're all on the same page, then definitely we’ll gladly invite you to join our internal intent team for long-term collaboration and you’ll enjoy all the benefits, such as paid holidays, paid sick leave, training budget, and much more!



As the Firmware Engineer at intent, you will:


  • Gather and analyze requirements from clients.
  • Consult clients and internal teams on solutions, stacks, and tools.
  • Plan, develop, and implement firmware.
  • Work alongside our mobile teams to streamline, optimize, or sometimes troubleshoot communication between device and companion applications. Test firmware releases.
  • Write and maintain firmware documentation.
  • Estimate your work.
  • Participate in the requirement discussion meetings and daily calls, providing feedback on inconsistencies and open issues.
  • Spearhead better practices, and ensure standards are set and followed. Participate in knowledge-sharing activities within and outside of intent.


Recruitment process:


  1. A screening call with an HR person (30 mins).
  2. A technical interview (60 mins).
  3. Final feedback received within a week after the interview.


Join us on this exciting journey where you'll have the opportunity to work on groundbreaking projects and shape the future of the IoT industry. Embrace the challenge, unleash your creativity, and be part of a team that is passionate about making a real impact in the world of technology 🦾

Job requirements

We should talk if you have:


  • At least 4 years of professional experience as a firmware developer.
  • Experience with C/C++ development for embedded systems.
  • Experience with ESP32 and Espressif ESP-IDF and ESP-ADF libraries.
  • Experience with STM32.
  • Working knowledge of Bluetooth, including BLE, and Bluetooth Mesh, and familiarity with all layers of the Bluetooth stack.
  • Knowledge of toolchains like Cmake, GCC, Python-based, etc.
  • Familiarity with common IoT-related protocols like MQTT, and web sockets.
  • Familiarity with the landscape of connected devices (IoT, Home automation, Wearables, Automotive, etc).
  • At least B2 English skills (both written and spoken).
  • Self-reliance, responsibility for assigned tasks, and effective time management.



It’d be nice if you have:


  • Experience with rapid hardware prototyping on Arduino/RaspberryPI/ Beaglebone/Nucleo.
  • Working knowledge of LoRa, Zigbee, Thread, WiFi, and other networking standards.
  • Experience deploying and managing fleets of IoT devices with the help of AWS IoT Core, GCP Cloud IoT, Azure IoT, or similar.
  • Experience with cryptography.
  • Experience with audio paths (encoding/decoding, mixers, etc).
  • Experience with Machine Learning on embedded.
  • Experience with Rust.

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