Location:
Lagos, Lagos
Contract Type:
Full Time
Experience Required:
2 years
Education Level:
Bachelor
Salary:
150.000,00 NGN /
Monthly
Job Description
We are hiring a Firmware Engineer to lead development of the embedded software powering Quantum Wallet, our flagship offline payment and identity device. This role is central to enabling secure, low-power NFC-based transactions, offline operation, and modular functionality.
Responsibilities:
Develop and maintain C/C++ firmware for ESP32 or equivalent microcontrollers
Implement NFC peer-to-peer logic for device-to-device transactions
Manage local transaction storage and queued sync system
Handle real-time screen UI interactions with OLED/TFT displays
Interface with secure element chip or built-in encryption modules
Collaborate with hardware and backend engineers to support OTA sync and hardware integration
Conduct rigorous field and lab testing for reliability in offline scenarios
Requirements:
Proficiency in embedded C/C++ (FreeRTOS preferred)
Hands-on experience with NFC modules (PN532, ST25R3916)
Familiarity with low-level device debugging and power optimization
Understanding of flash storage, token generation, and interrupt handling
Bonus: Experience working with secure bootloaders, biometric modules, or hardware wallets
Responsibilities:
Develop and maintain C/C++ firmware for ESP32 or equivalent microcontrollers
Implement NFC peer-to-peer logic for device-to-device transactions
Manage local transaction storage and queued sync system
Handle real-time screen UI interactions with OLED/TFT displays
Interface with secure element chip or built-in encryption modules
Collaborate with hardware and backend engineers to support OTA sync and hardware integration
Conduct rigorous field and lab testing for reliability in offline scenarios
Requirements:
Proficiency in embedded C/C++ (FreeRTOS preferred)
Hands-on experience with NFC modules (PN532, ST25R3916)
Familiarity with low-level device debugging and power optimization
Understanding of flash storage, token generation, and interrupt handling
Bonus: Experience working with secure bootloaders, biometric modules, or hardware wallets
Number of vacancies:
2
Company Description
A technology and digital service, leveraging artificial intelligence, Digital signage for Digital out of Home usage. Also we develop next gen computer hardware for consumer usage.
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