← Search all jobs

Senior Software Engineer, Firmware

Purpose Brands

Woodbury, MN · Posted October 8, 2026

Just laid off? Start here: a plan for the first weeks

See every open role at Purpose Brands

More in Minnesota job market · All Senior Software Engineer jobs (2,696) · Retail & E-commerce · Engineering jobs

More roles at Purpose Brands

Similar jobs

Engineering jobs in the rankings

Pay compared with the market

This listing does not state pay. Across 1,035 open senior software engineer listings that state pay, the middle half runs $166,500 to $222,000 and the median is $198,500.

Listed pay is what employers advertise, not what people are paid.

Senior Software Engineer salaries by state · Check your own pay

How AI is used in this kind of work

Among software developers, AI is already used for some of the tasks. Measured exposure for software developers: 29% (some).

Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.

Check how this applies to your own job

Skills this job asks for

Say which you have and which you want to build. We use it to match you to jobs like this one.

About the job

Purpose Brands, the parent company of Orangetheory, Anytime Fitness, Waxing the City and The Bar Method, is seeking a Senior Software Engineer, Firmware to join our team. This is a great position for someone who is looking to expand their career and join a company with a fun, fast-paced, and inspirational culture. Purpose Brands is looking for a Senior Software Engineer to join our Edge Engineering team. In this role you will own, design, create, and maintain our connected fleet of devices. This includes our access control system (Anytime Fitness) and our connected studio experience (Orangetheory Fitness). Our systems combine custom ICs, bespoke vendor hardware, and off-the-shelf components that bring our 7000+ studios to life for our millions of global members. An ideal candidate will have a baseline of embedded engineering experience in addition to familiarity with a connected system (mobile, backend, or other very extensive hardware experience). Purpose/Impact: Duties & Essential Functions Firmware + Integration Responsibilities (60% of time) Collaborate with the broader Edge Engineering firmware, backend, QA, and lead engineers Design, write, and maintain C++ firmware code for our Access Control System Manage the integration between our hardware and backend systems Identify, design, and develop internal tools for fleet management Write and maintain our automated testing suite Write and maintain our technical documentation Hardware Responsibilities (20% of time) Work with hardware design vendors to spec and deliver new hardware revisions Write, develop, and execute acceptability and manual test plans Assist our dedicated support team in debugging intricate hardware problems globally Cross-Team Collaboration (20% of time) Become the go-to resource for answering deep technical questions on our hardware technology stack Collaborate with our hardware & SaaS vendors to maintain excellent working relationships Collaborate with our Supply Chain, Warehouse, and Provisioning teams to ensure stable product is always available Strengths and Background Required Qualifications and Experience Proven ability to set and hit commitments while maintaining technical excellence Proven ability to self-direct and organize in a fast-paced distributed collaborative environment Proficiency in writing firmware for microcontrollers (C/C++) Proficiency in multithreaded applications (mutexes/threads/pthreads/etc.) Experience in writing and integrating automated test cases (GTest, GMock, etc.) Deep knowledge in at least one "Nice-to-have" section below Nice-to-have - Extensive Hardware Over 5 years of experience developing hardware products from design to rollout Experience integrating I2C / RS485 / SPI / BLE / digital IO Deep experience with a variety of microcontrollers or projects (ESP32, nRF, Raspberry Pi / Arduino, etc.) Experience reading and debugging wiring diagrams Experience designing hardware projects end-to-end Experience reading and integrating technical specification documentation Experience working with contract manufacturers and logistics Experience with toolchains and build chains (CMake/linkers/etc.) Proven ability debugging intricate hardware problems at global scale Nice-to-have - Extensive Backend Over 5 years of experience delivering real-time connected backend systems Experience developing cloud-native backend applications (.NET/Java/Kotlin/other) Experience developing and integrating microservices Experience developing and integrating AuthZ/AuthN/OAuth2 Experience managing certificates and working with cryptographic tools (TLS certificates, OpenSSL CLI, X509 certificates, asymmetric and symmetric keys, etc.) Experience with Infrastructure as Code (Terraform/CDK/other) Experience developing build systems and/or managing CI/CD (GitHub Actions, TeamCity, etc.) Nice-to-have - Mobile Experience in mobile development (iOS or Android or both) Experience interfacing with microcontroller BLE in Peripheral and Central modes Experience developing real-time hardware integrations at high fidelity (audio processing, video processing, high frame rates with minimal jitter) Things that would excite us about you Deep interest in all forms of technology Professional or personal projects leveraging microcontrollers Projects involving devices communicating with one another in interesting ways Experience with packet-capture tooling (Wireshark, Logic Analyzers, BLE capture, etc.) or deep networking technology (TCP/UDP/ARP/low-level network stacks) Experience with Apple, Google, or Samsung Wallet development and integration Degree in an appropriate field (Computer Engineering, Software Engineering with a hardware emphasis, etc.) Salary Range: $140k-155k What’s in it for you? We offer a competitive salary along with exceptional benefits such as: Medical, Dental and Vision Coverage Hybrid Work Environment Life and Disability Insurance Unlimited Time off + Paid Holidays Flexible Friday's between Memorial Day and Labor Day 401(K) Savings Plan Matching at 4% 10 Coaching and Therapy sessions Mental Health Benefits Brand Discounts & Reimbursements In-house workout facilities Professional Development Opportunities Team Building, Employee Engagement Activities & so much more WORK SCHEDULE Purpose Brands LLC, currently observe the following hybrid work model for employees at our Boca Raton (FL), Woodbury (MN), and Seattle (WA) offices: Remote optional: Fridays On-site days: Mondays, Tuesdays, Wednesdays and Thursdays DIVERSITY, EQUITY, AND INCLUSION STATEMENT Purpose Brands is committed to encouraging, facilitating, and upholding an environment centered on diversity, equity, and inclusion across every facet of the Purpose Brands. We will work to create a sustainable culture that supports a healthy space for learning and growing, valuing, and empowering every employee, inspiring a diverse franchise network, and uplifting the members and communities we serve. EEO STATEMENT Purpose Brands provides equal employment opportunity to all individuals regardless of their race, color, creed, religion, gender, age, sexual orientation, national origin, disability, veteran status, or any other characteristic protected by state, federal, or local law. Discrimination of any type will not be tolerated.