BoardPilotRoad to senior · Lesson 11 of 11 · about 10 min
The road to senior
Five stages and three portfolio projects
Senior in embedded usually means years of shipping real products. Software seniority counts: architecture, testing and owning a system end to end transfer directly. The fastest path is to learn deeply, build three serious projects and use what makes you different.
- Stage 1, hands-on core: the Foundations lessons on a real board, plus hardware basics: Ohm’s law, schematics, datasheets, logic analyser and oscilloscope.
- Stage 2, firmware architecture: driver layers, RTOS in depth (races, deadlock, priority inversion), memory layout and linker scripts, a bootloader.
- Stage 3, professional practice: unit tests on the computer, continuous integration, finding the cause of crashes (hard faults), MISRA C, modern C++ for embedded.
- Stage 4, senior system skills: hardware and software trade-offs, secure boot, over-the-air updates, reliability, CAN and Modbus, safety standards, Embedded Linux.
- Stage 5, Edge AI: machine-learning models running on microcontrollers (TensorFlow Lite Micro, STM32Cube.AI), quantisation, predictive maintenance.
Three portfolio projects
- Smart room monitor: sensors, screen, alarm and logs, first without and then with FreeRTOS.
- Industrial sensor node: Modbus or CAN, a bootloader with remote updates, unit tests and CI.
- Predictive maintenance device: a vibration sensor and an anomaly-detection model running on the MCU.
Interview questions
- Tell me about a bug that only happened on real hardware, and how you found it.
- How would you design firmware updates so a device can never be bricked?
No answers here on purpose: try answering out loud first. In the BoardPilot app, the interview coach reads your own answer and tells you what was right, what is missing and what a senior interviewer would ask next (it uses the AI provider you choose in the app). Embedded systems interview questions →
Key terms
Bootloader Logic analyser Oscilloscope Linker script HAL (hardware abstraction layer) Hard fault OTA update (over the air) CAN bus
In the app, the lessons come alive
The lessons have interactive demos and hands-on labs checked on your board in the app. These pages are the readable version: the demos are described in words, and the labs need the app.