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Hardware & Firmware Engineer (Contract) – V0 & V1 Pilots at Energy Hub. Location Information: Anywhere in the World. . . Headquarters:. Lagos, Nigeria . URL:. . http://energyhubclub.com. . . We are seeking a . hands-on Hardware & Firmware Engineer . to support the build, integration, testing, and monitoring of . V0 and V1 p. ortable battery pilots for university-focused energy infrastructure in Nigeria. We are running . early-stage pilots . to validate hardware behaviour, firmware control, and operational workflows ahead of an institutional-scale deployment.. . . . Role Overview. . This is a practical, early-stage engineering role focused on modifying and controlling portable power systems for real-world pilot use. The engineer will work closely with the founder to deliver safe, testable, and grant-ready V0 and V1 systems. This is not a factory NPI or mass-manufacturing role.. . . . Hardware Responsibilities. . - Reconfigure pre-built portable power stations for pilot use. . - Integrate GSM/LTE modules for SIM-based tracking and control. . - Implement hardware mechanisms for remote output shutdown. . - Validate AC (230V Type-G) and DC output behaviour under load. . - Test overload, low-battery, and fault shutdown behaviour. . - Support safe enclosure modifications where required. . - Prepare small batches (2–3 units for V0, ~10 units for V1). . . . Firmware Responsibilities. . - Design and implement embedded firmware to manage device states (active, disabled, fault). . - Implement remote enable/disable of outputs while keeping tracking and telemetry powered. . - Integrate GSM-based telemetry and handle intermittent connectivity. . - Enforce firmware-level power, current, and thermal limits. . - Implement safe shutdown and fail-safe behaviour for overload, low battery, and thermal events. . - Ensure firmware resilience across power loss and reboot scenarios. . - Maintain firmware versioning consistency across V0 and V1 units. . - Implement lightweight logging for pilot metrics and fault analysis. . - Document firmware logic, assumptions, and safety-critical behaviour. . . . Bonus Skill (Not Mandatory). . Operator Dashboard & Admin Tooling (Low-Code). . - Configure or integrate a simple operator dashboard (no consumer app). . - Display device status, state-of-charge, and fault states. . - Enable basic operator actions (remote enable/disable, device flagging). . - Prefer low-code or lightweight tools (e.g. Retool, Appsmith, Supabase, Airtable). . - Support data export for pilot analysis and grant reporting. . - Ensure usability under intermittent connectivity. . This role does NOT require building a consumer mobile app or a full cloud backend platform.. . . . Required Experience. . - Strong hands-on embedded systems experience (ESP32, STM32, or similar). . - Experience with battery systems, inverters, or power electronics. . - Experience integrating GSM/LTE modules. . - Comfortable working with off-the-shelf hardware and early-stage prototypes. . - Strong safety awareness and pragmatic engineering judgement. . . . Not suitable for:. . - App developers. . - Factory/NPI specialists. . - Pure PCB designers. . . . Location & engagement. . - . EU-based contractors preferred. . - Remote + hands-on build required. . - Contract duration: ~12 to 16 weeks (possibly longer). . - Milestone-based delivery (V0 → V1). . . . Rate guidance. . - €50–€70 / hour, depending on experience. . - Milestone-based payments. . - Paid technical test included. . . . Why this is interesting. . - Real-world constraints, not lab theory. . - Direct founder collaboration. . - Work feeds into grant-funded institutional scale-up. . - Clear scope — no endless roadmap creep. . . . How to apply. . Send:. . - A short intro & CV. . - 1–2 examples of hands-on hardware / firmware work. . - Your availability. . . . Send applications or expressions of interest to:. . [email protected]. . . . . . . . To apply:. . https://weworkremotely.com/remote-jobs/energy-hub-hardware-firmware-engineer-contract-v0-v1-pilots.