ButterflyMX is your complete property access solution, providing a secure, convenient, and affordable way to manage and grant access on the go. Backed by Volition Capital.
About the role
At ButterflyMX, firmware sits at the critical intersection of electronics, embedded systems, product reliability, device security, and customer experience. We are seeking an exceptional Firmware Engineer to help design, build, debug, secure, and optimize the embedded software that powers our next generation of access control, intercom, IoT, wireless, and connected hardware products.
What they're looking for
- 5+ years of hands-on embedded firmware development experience, 8+ years is preferred for senior-level candidates
- Strong firmware development skills in C/C++, with experience writing production code for resource-constrained embedded systems
- Hands-on experience with bare-metal microcontroller firmware, RTOS-based systems, and embedded Linux. Experience with Zephyr is strongly preferred
- Strong understanding of microcontroller architecture, interrupts, timers, DMA, memory maps, bootloaders, watchdogs, peripheral drivers, low-power modes, and low-level register programming
- Deep practical understanding of electronics hardware, including digital and analog domains, power regulation, ADCs, signal conditioning, filtering, impedance, noise, grounding, and signal integrity
- Experience debugging real hardware using oscilloscopes, logic analyzers, debuggers, programmers, multimeters, and other lab equipment
More about this role
ButterflyMX is on a mission to empower people to automate property access, operations, and security from a single platform. Our products are installed in more than 20,000+ multifamily, commercial, gated communities, and student-housing properties worldwide, including properties developed, owned, and managed by the most trusted names in real estate. Our features are designed for developers, owners, property managers, and tenants and our products lower operating costs and improve tenant satisfaction .
Developers and owners no longer need to run building wiring or install in-unit hardware. Property managers can grant building access, revoke permissions, and review entry logs from an online dashboard. Residents can open doors from their smartphones, issue visitor access, and see who is trying to enter the building.
Fantastic people are the key to our success. As a distributed, primarily remote workforce, we’re looking for more intelligent, passionate, collaborative, ai-forward, and down-to-earth individuals to join our growing team. We’re driven by a shared commitment to excellence and innovation, grounded in our core values: We delight our customers, We take ownership, We are a...
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