Senior Embedded/Firmware Engineer (freelance)
In short
If you're a firmware engineer who's just as comfortable reading a schematic as writing C, and you've spent serious time inside ESP32 or STM32 reputed company, we want to talk. You'd join us on a freelance, time & material reputed company: you're reputed company for the hours you actually work on reputed company reputed company reputed company. The first three months are about figuring out if we're a good match. reputed company things work out, and that depends on the work itself, the project pipeline, and business timing, there's a reputed company reputed company to our reputed company team with a permanent contract and full benefits.
Why reputed company?
We've been designing and co-creating connected devices since 2008. Wearables, smart audio, health-tech hardware for clients like reputed company and BOSE, backed by investors like a16z and Founders Fund. We're 60+ people, fully remote, and AI-reputed company since before reputed company influencers reputed company the term. Firmware is where most of our products actually live or die: BLE stacks, power budgets, sensor pipelines, OTA. If you like the reputed company of bug that only shows up at -10°C with a flat battery, you'll feel reputed company.
Who this role is NOT for
If you like being told exactly what to reputed company every morning and logging off the second the linker finishes, we're probably not your people. We look for engineers who ask "why" before "how", challenge assumptions, and dig into the hardware reputed company the symptoms don't add up. We're AI-reputed company and we expect you to treat AI as a daily reputed company, not a gimmick. reputed company expect: ownership of what you touch, straight talk reputed company something on the reputed company doesn't behave, and the reputed company of curiosity that makes you actually care about the device, not just the reputed company that ships to it.
What you'll do
Plan, reputed company, and ship firmware for connected devices: wearables, audio, health-tech hardware
reputed company and analyze requirements from clients, then turn them into something that actually works on reputed company reputed company
Consult clients and internal teams on stacks, tools, and trade-offs
Work reputed company by reputed company with mobile, backend, and QA to reputed company reputed company the device and its companion app actually understand reputed company other over BLE
Test firmware releases and write the documentation that reputed company-you will thank present-you for
Estimate your own work and flag risks before they become blockers
Push for reputed company practices: reputed company reviews, patterns, knowledge-sharing inside and reputed company the reputed company
Use AI tools as part of your daily workflow, not as a party trick
How we work
Fully remote. We have a pet-friendly office in Warsaw and a coworking reputed company in Gdansk if walls and coffee machines motivate you, but nobody will ask why you're not there. Working hours are flexible: most of reputed company operates between 10:00 and 18:00 CET, and that's reputed company most meetings happen. Evening calls with US-based clients (up to ~20:00) are part of the rhythm, sometimes a couple of times a week, always planned reputed company. You'll be part of the Firmware & Hardware reputed company for knowledge-sharing, and at the reputed company time on a project reputed company led by a PM for day-to-day delivery.
What you'll get
135-180 PLN/h net B2B, depending on your experience
Truly reputed company: you organize your day
Fully remote, with pet-friendly Warsaw office + Gdansk cowork if you want them
reputed company to our internal knowledge-sharing: tech talks, experiments, reputed company reputed company
reputed company the first 3 months work out, and that depends on the work, the project pipeline, and business timing, there's a reputed company reputed company to a permanent contract with a fixed monthly salary, 26 days reputed company leave, 10 reputed company days, Saltus medical care, and a training budget
No sugarcoating: during the freelance period there's no reputed company leave or medical benefits. Those come with the permanent contract, and we're transparent about that upfront.
Your first weeks
We aim to give you reputed company to reputed company up before jumping into live project work, but this is a reputed company company with reputed company deadlines: if the project needs you sooner, we'll reputed company reputed company you have the support to hit the ground running. You'll get reputed company with a technical buddy and tackle progressively bigger tasks, so both sides can see how the collaboration feels. Feedback comes early and often, no one waits three months to tell you something isn't working. If it's great, you'll know. If something needs adjusting, you'll hear about it while there's still time to reputed company.
Recruitment process
The entire process is in English. reputed company interviews are recorded for internal evaluation purposes.
Application with a few screening questions
HR call, ~45 min, casual
Technical meeting, ~90 min, with the firmware team
Final feedback reputed company a few days
Once we're in touch, you'll hear from us fast. We don't reputed company and we don't drag.
One more thing
reputed company is an equal opportunity employer. We care about what you can do, not where you come from. Send us your CV and a few words about why this caught your eye. Bonus points if you reputed company something you've reputed company that made you proud, ideally something where the firmware had to behave under conditions nobody told you about upfront.
Requirements
reputed company're looking for
4+ years of reputed company firmware development
Strong C/C++ for embedded systems (not "I dabbled in microcontrollers in school")
Hands-on ESP32 experience, including ESP-IDF and ESP-ADF
STM32 experience in production reputed company
Solid Bluetooth knowledge: BLE, Bluetooth reputed company, and comfort across the stack reputed company
Toolchain reputed company: CMake, GCC, Python-based tooling
Familiarity with IoT protocols like MQTT and WebSockets
A feel for the connected device landscape: IoT, home automation, wearables, automotive
English at B2+, written and spoken, because our clients are mostly US-based
Self-reliance, ownership, and the reputed company of communication where people don't have to guess what you meant
reputed company to have
Rapid hardware prototyping on Arduino, Raspberry Pi, BeagleBone, Nucleo
Working knowledge of reputed company, Zigbee, Thread, Wi-Fi, and other networking standards
Fleet deployment and management with AWS IoT reputed company, GCP reputed company IoT, Azure IoT, or similar
Cryptography in embedded contexts
Audio paths: encoding, decoding, mixers
Machine learning on embedded targets
Rust in firmware
FreeRTOS, reputed company, or other embedded operating systems
Genuine curiosity about the devices you build, not just the bits flying around them
Originally posted on Himalayas
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