Senior Firmware Engineer

Senior Firmware Engineer

Amusnet

Sofia, Bulgaria

THE PERFECT TEAM MEMBER IS INSPIRED TO:

• Develop, customize, and maintain firmware for display controller (AD Board) platforms;
• Design and implement new firmware features for display controller solutions;
• Configure LCD panel parameters, display timings, and firmware settings for various display panels;
• Perform firmware bring-up and validation for new hardware revisions and prototypes;
• Debug and resolve firmware, hardware, and system integration issues;
• Develop and optimize firmware-based display calibration, including LUT configuration, gamma tuning, and production calibration workflows;
• Work with internal and external engineers to develop and validate display controller solutions;
• Support mass production by implementing firmware flashing procedures, version control, and calibration automation workflows;
• Document firmware architecture, configuration processes, and best practices for internal knowledge development.

THE SKILLS THAT WILL GRAB OUR ATTENTION:

• 5+ years of professional experience as a Firmware Engineer;
• Strong knowledge of C for embedded systems (Keil environment preferred);
• Understanding of LCD panel specifications, timing diagrams, and power sequencing;
• Experience working with display scaler platforms (MediaTek, MStar/TSUM, Realtek, or similar);
• Knowledge of display interfaces (LVDS, eDP, HDMI, DisplayPort);
• Familiarity with USB-HID and I2C communication protocols;
• Understanding of firmware version control and production flashing processes;
• Ability to manage firmware projects through a full development lifecycle without supervision;
• Very good command of English, both written and verbal.

SKILLS CONSIDERED AS AN ADVANTAGE:

• Experience in monitor or display controller firmware development;
• Understanding of scaler architecture and display pipeline processing;
• Experience configuring and tuning capacitive touch controllers;
• Experience with capacitive touch signal tuning and EMI mitigation techniques;
• Experience working with factory automation or calibration tools;
• Familiarity with EMC/EMI considerations related to embedded systems in high-noise environments.