Firmware & App Development Intern

2 weeks ago

Singapore ResMed Full time

**About The Role**:
Join our engineering team to build end-to-end prototypes that connect custom electronic modules to smartphones and PCs via wireless communications. You’ll write embedded firmware for microcontrollers and develop companion mobile/desktop apps to configure, stream, and visualize data. This is a hands-on role spanning hardware bring-up, wireless communications design, algorithms, and user-facing software.

**What You’ll Do**:

- Implement and test firmware in C/C++ for MCU-based wireless electronic modules
- Design wireless communication (e.g. BLE services/characteristics (GATT), pairing/security, and data-streaming for reliable phone/PC connectivity)
- Build companion mobile or desktop apps (Android/iOS or Windows/macOS) for device control, data logging, and OTA updates.
- Interface with sensors and peripherals via UART/I²C/SPI
- Prototype and evaluate algorithms (e.g., filtering, calibration, event detection) and profile performance on-device and in app.
- Bring-up hardware: read schematics/datasheets, perform board-level testing and debugging.
- Write unit and integration tests; assist with test automation and CI for firmware/app builds.
- Document designs, APIs, and test results

**Preferred Skills**:

- Programming in **C/C++**(firmware) and preferably one of: Kotlin/Java (Android), Swift (iOS), Dart/Flutter, React Native, C#/WPF, Python+Qt/Electron.
- Knowledge of wireless communications fundamentals (e.g. Bluetooth Low Energy: advertising, connection parameters, GATT services/characteristics, throughput & latency trade-offs)
- Familiarity with microcontrollers, interrupts/RTOS basics, and peripheral drivers.
- Comfortable using **Git**and writing clear documentation.
- Strong problem-solving, debugging, and hands-on lab skills.
- Building cross-platform UIs; plotting live sensor data; basic REST/WebSocket integrations.
- OTA firmware update pipelines, secure bootloaders, and basic cryptography for BLE.
- Signal processing basics (filters, peak detection), numerical methods, or ML on embedded targets.
- Experience with electronic hardware modifications, soldering and oscilloscope.
- Exposure to hardware design/verification, DFM/DFT, and EMC considerations.
- Awareness of development in regulated environments (e.g., medical, consumer health, IoT).

**Tools & technologies you may use here**:

- C/C++, Python; Android Studio, Xcode, Flutter or React Native; BLE analyzers (nRF Sniffer, Ellisys); JTAG/SWD; oscilloscopes/logic analyzers; UART/I²C/SPI; Git/GitHub; CI (GitHub Actions); issue tracking (Jira).

**Suitable streams of study**
- **Electronics & Communication Engineering (ECE)**
- **Electrical & Electronics Engineering (EEE)**
- **Computer Engineering / Computer Science (with embedded/IoT focus)**
- **Instrumentation / Control Engineering**
- **Mechatronics / Robotics**
- **Biomedical Engineering**(with embedded systems or signal processing electives)
- **Information Technology**(with strong systems/embedded electives)

**What You’ll Learn**:

- End-to-end product thinking from sensor to smartphone/cloud.
- BLE performance tuning, low-power design, and robust over-the-air updates.
- Practical debugging and validation on real hardware.
- Collaborative engineering workflows (reviews, testing, CI/CD)

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