Join GlacierGrid – Powering Sustainable Businesses for the Future GlacierGrid is on a mission to revolutionize how the restaurant, convenience store, and hospitality industries manage energy and temperature monitoring, reducing energy waste, increasing profitability, and making sustainability effortless. We're a rapidly scaling technology startup trusted by global and established brands like McDonald's, Domino's, Dutch Bros, Burger King, 7-Eleven, and Panda Express to significantly reduce emissions and operational inefficiencies. Our innovative LoRaWAN-powered solutions protect the planet while driving meaningful results for our customers. If you’re passionate about sustainability, technology, and solving complex business challenges, GlacierGrid is where you belong. Overview As a IoT Systems Engineer, you will be responsible for designing and implementing scalable backend systems that power our platform, with a focus on integrating new LoRaWAN IoT hardware devices. You will work on developing and maintaining payload decoders/encoders to support seamless communication between our system and third-party devices. Collaborating closely with our SF Bay Area and ARG teams, you will tackle backend engineering tickets, optimize hardware integrations, and contribute to building robust, future-proof code. Your work will be integral to scaling our platform and driving innovation across our product offerings. This role reports directly to the Backend Lead. Responsibilities 4+ years of professional work experience building and maintaining IoT and backend systems Advanced English level: strong verbal and written communication skills. Understanding of LoRaWAN architecture, protocol stack, and network components and experience with LoRaWAN gateways and end devices. Proficiency in JavaScript and C/C++ (for embedded systems) Knowledge of wireless communication protocols - specifically LoRa Familiarity with IoT platforms and cloud services - specifically AWS IoT and experience with IoT communication protocols - specifically MQTT. Experience in integrating various IoT devices. Experience with PostgresSQL, Git, Docker and Kubernetes (these are desirable not essential) Prior experience working in a startup environment. Ability to work in cross-functional teams and communicate effectively. Strong analytical and problem-solving skills. Ability to troubleshoot hardware and software issues. Ability to complete assigned tickets, dedicating the majority of time to hands-on coding, troubleshooting, and implementation of robust, scalable solutions More about GlacierGrid Founded by entrepreneurs from Harvard, Columbia, and UC Santa Barbara, GlacierGrid partners with industry-leading brands to significantly reduce energy and food waste, addressing critical climate issues. We’re supported by top-tier venture capitalists (Zero Infinity Partners, D.E. Shaw, Sequoia Capital, Social Capital) and headquartered in San Francisco. Our Commitment At GlacierGrid, equality is a core tenet of our culture. We are committed to building an inclusive global team that represents a variety of backgrounds, perspectives, beliefs, and experiences. The more diverse we are, the richer our community and the broader our impact.