Software Development Engineer

Job Title: Engineer, Embedded Software Role Type: Contract 6-12 months with possibility of extension (New Opening) e-Zinc is an energy storage venture based in Toronto with a breakthrough technology poised to disrupt the market. As the global energy grid moves to higher levels of penetration of renewable energy, there is a surging need for affordable, flexible, long-duration energy storage. Backed by over CAD $80 million in funding from leading global strategic and financial investors
- such as Toyota Ventures, Mitsubishi Heavy Industries, Eni, Evok Innovations, and BDC
- e-Zinc has garnered international recognition for its proprietary technology and visionary roadmap. 1M Grand Prize winner of the Impact Canada Charging the Future Challenge ~ Awarded a $1.6M grant from Breakthrough Energy Solutions Canada ~ Secured over $12M in funding across three projects from Sustainable Development Technology Canada (SDTC) ~ Recipient of a USD $1.3M grant from the California Energy Commission As e-Zinc moves toward commercialization, e-Zinc is expanding its team to bring our transformative technology to market and support the future of renewable energy. e-Zinc is seeking an experienced and talented Engineer, Embedded Software to join our Product team and play a key role in developing the embedded software that runs our proprietary zinc‑air battery technology. This is a highly hands‑on engineering role where you will design, develop, and implement embedded software from the ground up, helping bring our next‑generation energy storage systems from concept to reality. Working closely with electrical, mechanical, firmware, and mechatronics engineers, you will translate complex technical requirements into reliable, high-performance software that controls and optimizes battery operation. We’re looking for someone who thrives in a fast‑paced product development environment—someone who enjoys building software from scratch, iterating quickly based on testing and team feedback, and adapting to evolving product requirements. The ideal candidate is comfortable navigating ambiguity, solving complex technical challenges, and collaborating across disciplines to deliver robust, production‑ready solutions. This is a unique opportunity to help establish the foundation for software development excellence at e-Zinc while making a direct impact on the commercialization of innovative long‑duration energy storage technology. Design, develop, and test embedded firmware that controls the operation of zinc‑air battery systems (charge/discharge cycles, safety mechanisms, diagnostics, and more). Implement control flows, fault detection and response, thermal management for battery pack control. Integrate sensors, actuators, and power electronics through analog, digital, and other communications interfaces. Collaborate with electrical and battery teams to translate system requirements into reliable code. Analyze system logs, perform debugging, and propose firmware improvements based on collected data. Support prototype builds and field deployments by ensuring stable firmware integration. Bachelor’s degree in electrical engineering, computer engineering, software engineering, or related field. ~5+ years of experience in software development for BESS, automotive, or other industrial controls applications. ~ Experience in structuring and writing real‑time embedded applications for microcontrollers using C. ~ Experience implementing various industrial communications protocols (e.g. CAN, CAN FD, MODBUS TCP) in embedded software. ~ Documentation: UML, writing software documentation, Doxygen, version control. ~ Understanding of control systems (PID, fuzzy logic, etc.), and data acquisition is an asset. ~ Experience writing software for battery management systems (BMS), energy storage, or power electronics is an asset. The qualities below reflect how our team turns our core values into action every day. Safety : You prioritize safety in everything you do and understand the deep responsibility we have to our people, our customers, and our planet. Truth : You are honest, transparent, and authentic—with yourself, your teammates, and our customers. Mastery: You are committed to building domain expertise, bring a strong work ethic, and continuously invest in your own growth and improvement. Value: You act responsibly with time, financial resources, and effort, always aiming to create the greatest impact and long-term value. You’ll be part of a pioneering team building transformative technology that will help shape the future of clean energy.

We offer
a dynamic work environment, meaningful projects, and the opportunity to grow your career alongside passionate, purpose-driven colleagues. For contract roles, it will be comverted into hourly. Retirement savings plans with employer contributions Equity grants and opportunity for company ownership