Junior Embedded Firmware Developer

Who we are
We are Kisi, a physical security technology company that accelerates a world where the right people can share physical resources at any time. Founded in 2012, Kisi operates from a headquarter in Brooklyn (USA), an office in Stockholm (Sweden), and a remote team across the globe.


What we do
We bring simple and secure physical security to people and organizations anywhere. Our award-winning hardware and compliance-certified software form the core of our physical security platform that helps businesses around the world connect and control their spaces through the cloud. With our seamless access experience and real-time data and analytics we help make spaces available to the right people at any time. But don’t just take our word for it: explore our award-winning Reader Pro, which recently won the coveted GOOD DESIGN award as well as the prestigious iF Design Award. Curious about how Kisi works? Check out this short product demo.


How and why we do it
At Kisi, you will have the freedom to do your work in the way you work best. There’s a flat hierarchy (work alongside our co-founders Carl, Max, and Bernie!), a strong sense of ownership, and the freedom to get creative. We also try to limit meetings as much as possible so that you can have dedicated focus time. Our mission is clear: ensure ease of facility access and remote space management, providing access systems to create a secure future where spaces are connected and accessible without boundaries.
Your Role
As a Junior Embedded Firmware Developer, you will be an integral part of our engineering team, assisting in the development and enhancement of firmware. Your responsibilities will include writing, testing, and debugging firmware under the guidance of senior developers to ensure reliability and functionality in our devices. You will collaborate closely with senior developers, hardware engineers, and cross-functional teams to support the delivery of robust embedded solutions. This position offers a great opportunity to develop your technical skills, contribute to innovative projects, and grow your career in embedded systems and security technologies.
Your Responsibilities
Write and maintain robust firmware that runs on current and future Kisi products on an industrial strength embedded platform with baked-in support for secure boot and OTA.
Ensure rigid acceptance tests and supervise the rollout of new products and features to our remotely managed worldwide fleet of hardware devices together with our QA engineers.
Improve efficiency of factory processes by automating its various flows such as quality assurance, registration and labeling to ensure devices are delivered on quality.
Participate in the selection process for our next generation IoT platform provider with strict security and business continuity requirements.

Your Qualifications
Bachelor's degree in Electrical Engineering, Computer Engineering, Computer Science, or a related field - degree preferred.
1-3 years of experience in embedded firmware development or relevant internships/projects, with a strong interest in embedded systems and firmware.
Basic understanding of embedded systems, microcontrollers, RTOS, and hardware-software integration. Familiarity with platforms like ARM, PIC, and AVR is a plus. Proficiency in C and C++ with an understanding of Assembly is preferred.
Some experience with debugging tools (JTAG, SWD, and GDB) and a willingness to learn and apply unit and integration testing methodologies to ensure firmware reliability.
Strong analytical and problem-solving skills with an eagerness to learn and collaborate effectively in cross-functional teams. Ability to troubleshoot and debug firmware issues with guidance.
Ability to create and maintain clear and concise technical documentation. A commitment to learning new technologies, staying updated with industry trends, and continuous improvement in embedded systems and firmware development.



What you can expect
Impact. It’s all about making a positive impact on people’s everyday lives. At Kisi, you are expected to make meaningful contributions to shape the future of physical security.
Excellence. We strive for excellence and best-in-class experiences in everything we do. We are innovative and obsessed with the details that matter.
Culture. Our culture is not a written manifest, but the result of all of us. We place great emphasis on building a company that is open, welcoming, challenging, and fun.
Ownership. We don’t believe in micro-management, but we do believe in setting and getting goals. At Kisi, you will own goals, and have freedom under responsibility.
Diversity. We are American, Argentinian, Brazilian, Danish, English, Ethiopian, German, Indian, Nigerian, Swedish, and more.



Your benefits
Team offsites. The Kisi Krew meets up from time to time in person in new exciting locations.
Vacation days. Sweden: minimum 25 days PTO. USA and Remote: minimum 20 days PTO.
Healthcare and pension. USA: health coverage, 401k. Sweden: health coverage, life insurance, pension plan. Remote: build your own package.
Grow with us. We are here to support you in your growth whether you want to become a manager, learn a new skill, or move into a new role.
Referral program. You will get $2.500 for each successful hire we make from your referrals.