Senior Embedded Engineer

intent

2d • Remote

About The Position

The job is for a Senior Embedded C engineer, initially on a freelance, time & material basis, with the possibility of transitioning to a permanent role with a fixed monthly salary and benefits after three months. The company, intent, has been designing connected devices since 2008, working with clients like Oura, BOSE, and Neurable. They are a fully remote team of 60+ people and are "AI-native," using AI daily in their work. The role is not for someone who prefers to be handed a spec and work in isolation; instead, it requires an engineer who is curious, questions assumptions, and actively debugs complex edge cases across various layers. They expect candidates to use AI as a daily multiplier for tasks like digging through vendor docs, drafting test harnesses, and reasoning about timing issues. The company emphasizes ownership, direct communication, and curiosity about the physical device. New engineers undergo a structured ramp-up period with a technical buddy and progressive tasks, with early and frequent feedback.

Requirements

• 5+ years of hands-on embedded C development on ARM Cortex-M platforms
• Strong, proven STM32 experience (not "I ran one tutorial")
• Real work with the Modus SDK, or at the very least solid time inside the Cypress/Infineon ecosystem
• FreeRTOS: you know where the footguns are, and you don't find them by accident
• Proven experience with multi-radio architectures, especially BLE and Wi-Fi coexistence: timing, arbitration, co-existence schemes, real-world throughput issues
• Comfortable reading schematics, board files, datasheets, and errata without flinching
• Fluent with the debugging toolkit: JTAG/SWD, logic analyzers, scopes, BLE sniffers, serial tracing
• English at B2+, because our clients are mostly US-based
• Problem-solving over line-counting: we'll take a creative thinker over a fast typist any day
• Initiative, ownership, and the kind of communication where people don't have to guess what you meant

Nice To Haves

• Exposure to MICS band or other medical-grade radio protocols
• Familiarity with medical device development standards (IEC 62304, ISO 13485, ISO 14971)
• Experience shipping firmware through formal V&V or regulatory processes
• Low-power optimization chops: sleep modes, duty cycling, battery life accounting
• Previous work with signal processing or sensor fusion on embedded targets
• Genuine curiosity about the devices you build, not just the code behind them

Responsibilities

• Build and maintain embedded firmware in C for STM32-based connected devices
• Work inside the Modus SDK and the broader Cypress/Infineon ecosystem to make hardware do what the spec says, and a few things it didn't
• Integrate and tune FreeRTOS: tasks, priorities, queues, interrupts, the whole discipline of not breaking real-time behavior
• Tackle multi-radio architectures in practice: BLE and Wi-Fi coexistence, arbitration, throughput versus power trade-offs
• Collaborate closely with hardware, mobile, QA, and the client's engineering team on cross-functional problems
• Debug the unglamorous stuff: logic analyzer, scope, sniffer, logs that don't want to exist
• Contribute to architecture decisions, code reviews, and knowledge-sharing inside the Firmware & Hardware chapter
• Use AI tools as part of your daily workflow, not as a party trick

Benefits

• 110-190 PLN/h net B2B, depending on your experience
• Truly flexible hours (most of the team works 10-18 CET, but you organize your day)
• Fully remote (all Europe)
• Access to our internal knowledge-sharing: tech talks, experiments, side projects
• Fixed monthly salary (after freelance period, if transitioned to core team)
• Paid time off (after freelance period, if transitioned to core team)
• Whole benefits package (after freelance period, if transitioned to core team)

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed
• Number of Employees: 11-50 employees