IoT Engineer
Designing and building IoT solutions: device connectivity, sensor data processing, edge computing
IoT Engineer is a role in the Embedded & IoT family. It has 55 skills across 5 levels (from Junior to Principal). 120 skills are mandatory. Key domains: Programming Fundamentals, Backend Development, Database Management.
Skill Matrix
55 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
5 skills| Skills | Jun | Mid | Sen | Lead | Princ |
|---|---|---|---|---|---|
| REST API Design | A | W | A | E | E |
| GraphQL Design | A | W | A | E | E |
| WebSocket API Design | A | W | A | E | E |
| Webhooks & Integrations | 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
2 skills| Skills | Jun | Mid | Sen | Lead | Princ |
|---|---|---|---|---|---|
| Apache Kafka | A | W | A | E | E |
| 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 | A | W | A | E | 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 |
| MicroPython / CircuitPython | A | W | A | E | E |
| RTOS Fundamentals: FreeRTOS, Zephyr | 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 Cloud Platforms: AWS IoT, Azure IoT | A | W | A | E | E |
| Edge Computing for IoT | 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
3 skills| Skills | Jun | Mid | Sen | Lead | Princ |
|---|---|---|---|---|---|
| TCP/IP Deep Dive | A | W | A | E | E |
| HTTP/2 & HTTP/3 QUIC | A | W | A | E | E |
| DNS Deep Dive | A | W | A | E | E |
Observability & Monitoring
4 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 |
| SLI / SLO / SLA | A | W | A | E | E |
Programming Fundamentals
9 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 |
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
2 skills| Skills | Jun | Mid | Sen | Lead | Princ |
|---|---|---|---|---|---|
| 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 IoT Engineer role?
The IoT Engineer role requires 55 skills, of which 120 are mandatory. Skills are distributed across 5 levels: from Junior to Principal. See full matrix.
How to advance to the next level in the IoT Engineer 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.
How does the community define requirements for the IoT Engineer role?
Role requirements are shaped by the community through a proposal system. Any member can suggest changes that go through voting and expert review.