Full Stack Engineer

1 week ago


Hayward, United States HEN Technologies Full time

Job Title: Full Stack Engineer (Contract)Location: Hayward, CaliforniaEmployment Type: Short-term ContractAbout HEN TechnologiesHEN Technologies is a deep-tech company building the world’s first end-to-end intelligent fire suppression ecosystem, powered by AI, IoT, and advanced fluid dynamics. The company’s mission is to modernize how the world prevents and responds to fires by replacing outdated, manual systems with connected, data-driven technology that is more water‑efficient and intelligently coordinated across every layer of the fireground.Backed by funding from Venture Capital investors, HEN Technologies is proving that the future of fire defense is intelligent, connected, and preventative.Join us as we build the financial foundation for a company redefining one of the world’s most critical industries.About the RoleYou’ll collaborate with our core team to build features end-to-end, fix bugs, and improve performance and reliability.ResponsibilitiesDesign, develop, and maintain scalable front-end client app and backend services for web and edge applications.Collaborate with backend and device/firmware engineers to build and integrate APIs and device communication layers using MQTT, WebSockets, and other Pub/Sub mechanisms.Interface with IoT devices, handling device data ingestion, control, and monitoring.Implement and maintain over-the-air (OTA) update mechanisms for edge devices and embedded systems.Manage the full software release lifecycle—development, testing, deployment, monitoring, and maintenance.Ensure high performance and responsiveness of applications on both web and device platforms.Debug, test, and resolve technical issues across the stack (front-end, back-end, device communication).RequirementsProficiency in developing RESTful API, real-time communication protocols, especially MQTT, WebSockets and general Pub/Sub architecture.Experience in IoT ecosystems, including device integration, telemetry handling, and control systems.Experience with CI/CD pipelines and containerization (Docker, Kubernetes is a plus).Ability to work independently, manage your own tasks, and deliver within tight timelines.Preferred QualificationsExperience with SBC such as Raspberry Pi, Jetson Orin/Nano, edge computing frameworks or platforms.Native application development for iOS and Android platform.Knowledge of embedded systems or firmware development basics.Seniority LevelMid‑Senior levelEmployment TypeContractJob FunctionEngineering and Information TechnologyIndustryClimate Technology Product Manufacturing #J-18808-Ljbffr


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