Embedded Firmware Engineer
CognitiveTPG ↗
📍 Karāchi, Pakistan 🇵🇰
Key Skills
Industry
Job Description
Job Title: Embedded Firmware Engineer
Company: Cognitive LLC
Location: Remote | Full-Time | Mid-Level (3+ yrs) / Senior (5+ yrs)
About Cognitive LLC
Chicago-based thermal printer manufacturer building high-reliability printing solutions for mission-critical applications. Lean, high-ownership culture — real products, real customers, direct impact on architecture decisions.
The Role
Develop and maintain firmware for ARM Cortex-M microcontrollers across bare-metal and RTOS environments. Own the full firmware stack from hardware bring-up to real-time application logic, collaborating closely with our hardware team.
What You'll Do
- Develop and optimize embedded firmware in C for ARM Cortex-M
- Work across bare-metal and RTOS environments (FreeRTOS, Zephyr, ThreadX, RTX)
- Implement and debug hardware interfaces: UART, SPI, I2C, GPIO, PWM, ADC, Timers
- Debug with oscilloscopes, logic analyzers, and JTAG/SWD tools
- Read schematics and resolve board-level hardware issues
Requirements
- 3+ years embedded firmware experience (5+ for Senior)
- Strong C proficiency; ARM Cortex-M experience
- Bare-metal: interrupts, timers, DMA, watchdogs, low-power modes
- RTOS: FreeRTOS, Zephyr, ThreadX, or RTX
