Firmware Developer

OverviewWe are seeking a skilled C++ Firmware Engineer with hands-on experience in embedded systems and a strong understanding of vending machine technologies. This role involves developing, maintaining, and optimizing firmware that powers vending machines, including payment systems, inventory tracking, and hardware integration. Key ResponsibilitiesDesign, develop, test, and maintain embedded firmware in C++ for vending machine systemsInterface with hardware components such as bill validators, coin mechanisms, card readers, touchscreens, and IoT modulesImplement and debug communication protocols (e.g., MDB, UART, SPI, I2C) commonly used in vending environmentsCollaborate with electrical, mechanical, and software engineers to ensure seamless integrationOptimize system performance, memory usage, and power consumptionDevelop and maintain diagnostic tools and firmware update mechanisms (OTA or wired)Troubleshoot field issues and provide root cause analysisEnsure compliance with industry standards and payment security requirements (e.g., PCI, EMV where applicable)Required QualificationsBachelor’s degree in Computer Engineering, Electrical Engineering, or related field (or equivalent experience)3+ years of experience in embedded firmware development using C++Strong understanding of real-time operating systems (RTOS) or bare-metal systemsExperience working with microcontrollers (e.g., ARM Cortex-M, AVR, PIC)Familiarity with vending machine protocols such as MDB (Multi-Drop Bus) & DEXExperience integrating payment systems (cash and cashless)Proficiency with debugging tools (oscilloscopes, logic analyzers, JTAG debuggers)Strong problem-solving skills and attention to detailPreferred QualificationsExperience with IoT connectivity (Wi-Fi, LTE, Bluetooth) in embedded devicesKnowledge of Linux-based embedded systemsFamiliarity with cloud integration for telemetry and remote managementExperience in low-power design and optimizationUnderstanding of cybersecurity best practices for embedded systemsNice-to-Have SkillsExperience with vending machine management systems (VMS)Understanding or familiarity with DEX protocol Understanding or familiarity with MDB communication protocol Knowledge of telemetry, remote monitoring, and predictive maintenanceWhat We OfferCompetitive salary and benefits packageOpportunity to work on innovative, real-world embedded systemsCollaborative engineering environmentCareer growth and development opportunities