Domain
Embedded & IoT
Skill Profile
Hardware Interfaces
This skill defines expectations across roles and levels.
Embedded & IoT
Hardware Interfaces
Roles
1
where this skill appears
Levels
5
structured growth path
Mandatory requirements
0
the other 5 optional
Group
Hardware Interfaces
Last updated
2/22/2026
How to Use
Choose your current level and compare expectations. The items below show what to cover to advance to the next level.
What is Expected at Each Level
The table shows how skill depth grows from Junior to Principal. Click a row to see details.
| Role | Required | Description |
|---|---|---|
| Systems Programmer (C/C++) | Understands basic hardware interfaces: GPIO, UART, SPI, I2C. Reads device datasheets, connects simple peripherals under mentor guidance. |
| Role | Required | Description |
|---|---|---|
| Systems Programmer (C/C++) | Independently works with hardware interfaces: PCIe, USB, Ethernet PHY. Reads schematics, uses logic analyzer for protocol debugging, implements timing requirements. |
| Role | Required | Description |
|---|---|---|
| Systems Programmer (C/C++) | Designs low-level hardware interaction: implements custom protocols, optimizes DMA transfers via scatter-gather, works with MMIO and I/O port mapping. |
| Role | Required | Description |
|---|---|---|
| Systems Programmer (C/C++) | Defines hardware interface standards for the platform. Establishes HAL strategy, conducts hardware-software interface reviews, coordinates with the HW team. |
| Role | Required | Description |
|---|---|---|
| Systems Programmer (C/C++) | Shapes enterprise approach to hardware interfaces. Defines strategy for supporting new interfaces (CXL, UCIe), manages hardware-software co-design process. |
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