Hybrid Embedded Firmware Architect (C/C++, ARM)

ERNI; Valencia; Hybrid; EUR 55,000 - 75,000; Full time

Benefits offered by this job

Certifications reimbursement up to €1,

Private health and travel insurance

Extra sick leave + 1 day off per month

Emotional, legal and family support

Gym discounts

Flexible remuneration: meals, transit,

Referral bonuses: up to €6,000 per候選者?

23 working days of vacation

Free language courses: English,Spanish

Job summary

ERNI, an International Service Delivery Center in Spain, seeks an Embedded Firmware Architect to develop and improve firmware in C/C++ for ARM Cortex-M MCUs. You will collaborate with electronics and engineering teams to translate requirements into robust software that interfaces with hardware.

You will investigate hardware–software issues with a debugger and schematics, extend firmware, and build tests to verify changes. The role offers a hybrid model and opportunities for growth.

Qualifications

• Bachelor’s degree in Software/Electrical Engineering or related field.
• Experience developing embedded firmware with C and C++.
• Experience with microcontrollers and bare-metal firmware including peripherals, interrupts and timing.
• Ability to investigate hardware–software issues using a debugger, schematics and measurement equipment.
• Disciplined approach to testing, code review and version control.
• German & English skills for collaboration with international colleagues.
• Experience with ARM Cortex-M is particularly relevant.

Responsibilities

• Develop firmware for sensor interfaces, instrument functions and communication with connected systems.
• Bring up and debugging hardware with electronics engineers using schematics, datasheets and lab measurements.
• Extend existing firmware and implement new functionality.
• Build tests to verify changes and reproduce faults more easily.
• Investigate issues found during development, production or use in the field.
• Work with STM32-class MCUs and interfaces (SPI, I2C, UART) including CAN and Modbus.

Skills

C/C++ development

Bare-metal firmware

ARM Cortex-M

Debugger & debugging

Testing & version control

German & English

Education

Bachelor’s degree in Software/Electrical Engineering

Tools

STM32 microcontrollers

Debugger tools

Oscilloscope

Job description

ERNI, an International Service Delivery Center in Spain, seeks an Embedded Firmware Architect to develop and improve firmware in C/C++ for ARM Cortex-M MCUs. You will collaborate with electronics and engineering teams to translate requirements into robust software that interfaces with hardware.

You will investigate hardware–software issues with a debugger and schematics, extend firmware, and build tests to verify changes. The role offers a hybrid model and opportunities for growth.