Embedded Developer
Developing software for embedded systems and IoT devices
Embedded Developer is a role in the Embedded & IoT family. It has 57 skills across 5 levels (from Junior to Principal). 113 skills are mandatory. Key domains: Programming Fundamentals, Backend Development, Database Management.
Technology Stack
Focus by Level
Writing firmware in C/C++. Working with GPIO, UART, SPI, I2C. Debugging with JTAG/SWD. Writing unit tests.
Designing firmware architecture. Working with RTOS (FreeRTOS). Optimizing energy consumption. Device drivers.
Embedded systems architecture. Bootloader. OTA updates. Firmware security. Communication protocol design.
Embedded platform. Development standards. Hardware-software co-design. Coordination with hardware team.
Embedded strategy. IoT platform architecture. Security certification. Standards compliance.
Skill Matrix
57 skills × 5 levels. Click on a cell for details.
AI-Assisted Development
4 skills| Skills | Jun | Mid | Sen | Lead | Princ |
|---|---|---|---|---|---|
| GitHub Copilot | A | W | A | E | E |
| Cursor IDE | A | W | A | E | E |
| ChatGPT / Claude | A | W | A | E | E |
| Prompt Engineering for Code | A | W | A | E | E |
API & Integration
3 skills| Skills | Jun | Mid | Sen | Lead | Princ |
|---|---|---|---|---|---|
| REST API Design | A | W | A | E | E |
| GraphQL Design | A | W | A | E | E |
| API Documentation | A | W | A | E | E |
Architecture & System Design
1 skills| Skills | Jun | Mid | Sen | Lead | Princ |
|---|---|---|---|---|---|
| System Design Fundamentals | A | W | A | E | E |
Backend Development
1 skills| Skills | Jun | Mid | Sen | Lead | Princ |
|---|---|---|---|---|---|
| Redis | A | W | A | E | E |
Cloud & Infrastructure
5 skills| Skills | Jun | Mid | Sen | Lead | Princ |
|---|---|---|---|---|---|
| Docker | A | W | A | E | E |
| Kubernetes Core | A | W | A | E | E |
| Terraform | A | W | A | E | E |
| AWS | A | W | A | E | E |
| Network Fundamentals | A | W | A | E | E |
Database Management
2 skills| Skills | Jun | Mid | Sen | Lead | Princ |
|---|---|---|---|---|---|
| PostgreSQL | A | W | A | E | E |
| Database Indexing | A | W | A | E | E |
DevOps & CI/CD
1 skills| Skills | Jun | Mid | Sen | Lead | Princ |
|---|---|---|---|---|---|
| GitHub Actions / GitLab CI | W | A | E | — | — |
Embedded & IoT
13 skills| Skills | Jun | Mid | Sen | Lead | Princ |
|---|---|---|---|---|---|
| C for Embedded | A | W | A | E | E |
| C++ for Embedded | A | W | A | E | E |
| Rust for Embedded | A | W | A | E | E |
| RTOS Fundamentals: FreeRTOS, Zephyr | A | W | A | E | E |
| Real-Time Systems Design | A | W | A | E | E |
| Bare Metal Programming | A | W | A | E | E |
| SPI / I2C / UART Protocols | A | W | A | E | E |
| GPIO, ADC, DAC | A | W | A | E | E |
| BLE & Wireless: Zigbee, LoRa, WiFi | A | W | A | E | E |
| MQTT Protocol | A | W | A | E | E |
| IoT Security | A | W | A | E | E |
| Embedded Debugging: JTAG, SWD | A | W | A | E | E |
| Embedded CI/CD | A | W | A | E | E |
Networking & Telecom
1 skills| Skills | Jun | Mid | Sen | Lead | Princ |
|---|---|---|---|---|---|
| TCP/IP Deep Dive | A | W | A | E | E |
Observability & Monitoring
3 skills| Skills | Jun | Mid | Sen | Lead | Princ |
|---|---|---|---|---|---|
| Structured Logging | A | W | A | E | E |
| Prometheus & Grafana | A | W | A | E | E |
| OpenTelemetry | A | W | A | E | E |
Performance Engineering
6 skills| Skills | Jun | Mid | Sen | Lead | Princ |
|---|---|---|---|---|---|
| CPU Profiling | A | W | A | E | E |
| Memory Profiling | A | W | A | E | E |
| I/O & Disk Profiling | A | W | A | E | E |
| Latency Optimization | A | W | A | E | E |
| Resource Optimization FinOps | A | W | A | E | E |
| Benchmarking Tools & Methodology | A | W | A | E | E |
Programming Fundamentals
10 skills| Skills | Jun | Mid | Sen | Lead | Princ |
|---|---|---|---|---|---|
| Algorithms & Complexity | A | W | A | E | E |
| Data Structures | A | W | A | E | E |
| OOP & SOLID Principles | A | W | A | E | E |
| Design Patterns | A | W | A | E | E |
| Multithreading | A | W | A | E | E |
| Async Programming | A | W | A | E | E |
| Code Quality & Refactoring | A | W | A | E | E |
| Type Safety & Type Systems | A | W | A | E | E |
| Memory Management | A | W | A | E | E |
| Memory Profiling | A | W | A | E | E |
Security
2 skills| Skills | Jun | Mid | Sen | Lead | Princ |
|---|---|---|---|---|---|
| OWASP & Application Security | A | W | A | E | E |
| Secure Coding Practices | A | W | A | E | E |
Testing & QA
3 skills| Skills | Jun | Mid | Sen | Lead | Princ |
|---|---|---|---|---|---|
| TDD & BDD | A | W | A | E | E |
| Unit Testing | A | W | A | E | E |
| Integration Testing | A | W | A | E | E |
Version Control & Collaboration
2 skills| Skills | Jun | Mid | Sen | Lead | Princ |
|---|---|---|---|---|---|
| Git Advanced | A | W | A | E | E |
| Code Review | A | W | A | E | E |
FAQ
What skills are needed for the Embedded Developer role?
The Embedded Developer role requires 57 skills, of which 113 are mandatory. Skills are distributed across 5 levels: from Junior to Principal. See full matrix.
How to advance to the next level in the Embedded Developer role?
Use the Grade Calculator to assess your current level and get personalized recommendations. The system will show which skills need to be developed for the next level.
What tech stack is used in the Embedded Developer role?
The stack includes 5 technologies at different levels. C/C++, STM32/ESP32, FreeRTOS basics, UART/SPI/I2C, GDB/JTAG, Git, Make/CMake, C/C++, FreeRTOS/Zephyr, MQTT/CoAP, BLE, WiFi, Linux embedded basics, CMake, Unit testing (Unity/CMock), C/C++/Rust, Zephyr/Linux embedded, Secure Boot, OTA, Custom RTOS, Protocol design, Power optimization...
How does the community define requirements for the Embedded Developer role?
Role requirements are shaped by the community through a proposal system. Any member can suggest changes that go through voting and expert review.