Tech Lead leading technical team in developing innovative applications for Porto Bank's digital services. Focusing on high scalability and cloud - native solutions within AWS environment.
About the role
- Embedded Software Engineer developing and maintaining firmware for automotive tracking devices. Collaborating on hardware validation and ensuring the reliability of embedded systems.
Responsibilities
- Develop, optimize and maintain embedded firmware for automotive tracking and telematics devices (C/C++).
- Implement, analyze and debug vehicle communication protocols, especially CAN, ISO 15765-4 (UDS), J1939 (when applicable) and proprietary protocols.
- Develop drivers, services and middleware for automotive interfaces (CAN, LIN, K-Line, OBD-II).
- Interpret and map ECU signals (DIDs, PIDs, raw CAN messages).
- Integrate sensors and embedded modules (GNSS, accelerometer, GSM/LTE, BLE, Wi‑Fi).
- Collaborate with hardware teams for prototype validation and bench testing.
- Contribute to the creation of diagnostic tools, automated tests and validation scripts.
- Perform firmware performance, power consumption and reliability analyses.
- Document architecture, embedded APIs and communication flows.
- Perform advanced field troubleshooting (logs, dumps, CAN analysis, sniffers).
Requirements
- Degree in Electronic Engineering, Control and Automation, Computer Science, Telecommunications or related fields.
- Strong experience in C/C++ for embedded systems.
- Proven experience with the CAN bus:
- Reading/writing frames
- DBC interpretation
- Use of tools such as PCAN, CANalyzer, CANoe, CANalyst-II or similar
- Knowledge of OBD-II, PIDs and relevant automotive protocols.
- Experience with RTOS (FreeRTOS, Zephyr, ThreadX, etc.).
- Familiarity with ARM Cortex MCUs (STM32, NXP, ESP32, Nordic, etc.).
- Experience using oscilloscope, logic analyzer and debug tools (SWD/JTAG).
- Solid understanding of serial communication (UART, SPI, I2C).
- Knowledge or experience with ISO 27001 (Information Security Management System).
- Knowledge of automotive telematics applied to tracking (ignition data, odometry, driving events, etc.).
- Experience with LTE-M, NB-IoT, CAT1 and modems from Quectel, Simcom, Telit.
- Experience with embedded cryptography and firmware security.
- Experience with remote firmware updates (FOTA/OTA).
- Knowledge of J1939 (for heavy-duty fleets).
- Experience with Python for test scripts or tooling.
- Experience in power consumption analysis and energy management for embedded devices.
- Familiarity with Git, CI/CD and embedded pipelines.
Job title
Job type
Experience level
Salary
Not specified
Degree requirement
Tech skills
Location requirements
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