Senior Embedded/Firmware Engineer (freelance)

Responsibilities

• Plan, develop, and ship firmware for connected devices: wearables, audio, health-tech hardware
• Gather and analyze requirements from clients, then turn them into something that actually works on real silicon
• Consult clients and internal teams on stacks, tools, and trade-offs
• Work side by side with mobile, backend, and QA to make sure the device and its companion app actually understand each other over BLE
• Test firmware releases and write the documentation that future-you will thank present-you for
• Estimate your own work and flag risks before they become blockers
• Push for better practices: code reviews, patterns, knowledge-sharing inside and outside the chapter
• Use AI tools as part of your daily workflow, not as a party trick
• Fully remote. We have a pet-friendly office in Warsaw and a coworking space in Gdansk if walls and coffee machines motivate you, but nobody will ask why you're not there. Working hours are flexible: most of the team operates between 10:00 and 18:00 CET, and that's when most meetings happen. Evening calls with US-based…

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