Firmware Developer

Description

Job Title: C++ Firmware Developer

Location: Maple Heights, Ohio 44137 (In office)

Employment Type: Full Time

Overview

We 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 Responsibilities

• •Design, develop, test, and maintain embedded firmware in C++ for vending machine systems
• •Interface with hardware components such as bill validators, coin mechanisms, card readers, touchscreens, and IoT modules
• •Implement and debug communication protocols (e.g., MDB, UART, SPI, I2C) commonly used in vending environments
• •Collaborate with electrical, mechanical, and software engineers to ensure seamless integration
• •Optimize system performance, memory usage, and power consumption
• •Develop and maintain diagnostic tools and firmware update mechanisms (OTA or wired)
• •Troubleshoot field issues and provide root cause analysis
• •Ensure compliance with industry standards and payment security requirements (e.g., PCI, EMV where applicable)

Required Qualifications

• •Bachelor’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 systems
• •Experience working with microcontrollers (e.g., ARM Cortex-M, AVR, PIC)
• •Familiarity with vending machine protocols such as MDB (Multi-Drop Bus) & DEX
• •Experience integrating payment systems (cash and cashless)
• •Proficiency with debugging tools (oscilloscopes, logic analyzers, JTAG debuggers)
• •Strong problem-solving skills and attention to detail

Preferred Qualifications

• •Experience with IoT connectivity (Wi-Fi, LTE, Bluetooth) in embedded devices
• •Knowledge of Linux-based embedded systems
• •Familiarity with cloud integration for telemetry and remote management
• •Experience in low-power design and optimization
• •Understanding of cybersecurity best practices for embedded systems

Nice-to-Have Skills

• •Experience 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 maintenance

What We Offer

• •Competitive salary and benefits package
• •Opportunity to work on innovative, real-world embedded systems
• •Collaborative engineering environment
• •Career growth and development opportunities

Requirements

Job Title: C++ Firmware Developer

Location: Maple Heights, Ohio 44137 (In office)

Employment Type: Full Time

Overview

We 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 Responsibilities

• •Design, develop, test, and maintain embedded firmware in C++ for vending machine systems
• •Interface with hardware components such as bill validators, coin mechanisms, card readers, touchscreens, and IoT modules
• •Implement and debug communication protocols (e.g., MDB, UART, SPI, I2C) commonly used in vending environments
• •Collaborate with electrical, mechanical, and software engineers to ensure seamless integration
• •Optimize system performance, memory usage, and power consumption
• •Develop and maintain diagnostic tools and firmware update mechanisms (OTA or wired)
• •Troubleshoot field issues and provide root cause analysis
• •Ensure compliance with industry standards and payment security requirements (e.g., PCI, EMV where applicable)

Required Qualifications

• •Bachelor’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 systems
• •Experience working with microcontrollers (e.g., ARM Cortex-M, AVR, PIC)
• •Familiarity with vending machine protocols such as MDB (Multi-Drop Bus) & DEX
• •Experience integrating payment systems (cash and cashless)
• •Proficiency with debugging tools (oscilloscopes, logic analyzers, JTAG debuggers)
• •Strong problem-solving skills and attention to detail

Preferred Qualifications

• •Experience with IoT connectivity (Wi-Fi, LTE, Bluetooth) in embedded devices
• •Knowledge of Linux-based embedded systems
• •Familiarity with cloud integration for telemetry and remote management
• •Experience in low-power design and optimization
• •Understanding of cybersecurity best practices for embedded systems

Nice-to-Have Skills

• •Experience 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 maintenance

What We Offer

• •Competitive salary and benefits package
• •Opportunity to work on innovative, real-world embedded systems
• •Collaborative engineering environment
• •Career growth and development opportunities