Embedded Systems Developer – Interns
Location: Trivandrum, Kerala
Work Mode: On-site
Company: AppleBerry Technologies

About the Role
AppleBerry Technologies is looking for enthusiastic Embedded Systems Developer to join our engineering team in Trivandrum.
The selected candidates will work on real-world embedded systems projects involving medical devices, sensor-based systems, IoT products, signal acquisition, wireless communication, and intelligent monitoring systems.
This internship is suitable for students or fresh graduates who are passionate about electronics, firmware development, microcontrollers, sensors, and building complete hardware-software systems.

Responsibilities
As an Embedded Systems Developer Intern, you will:
• Develop and test firmware for microcontrollers such as STM32, ESP32, and similar embedded platforms.
• Interface sensors, ADCs, DACs, displays, communication modules, and other peripherals.
• Work with communication protocols including:
• UART
• SPI
• I2C
• USB
• Bluetooth / BLE
• Wi-Fi
• MQTT




• Assist in developing embedded applications for medical devices, patient monitoring systems, IoT devices, and sensor-based products.
• Perform sensor data acquisition, filtering, calibration, and basic signal processing.
• Implement and test real-time embedded firmware.
• Work with timers, interrupts, ADC sampling, GPIO, PWM, and peripheral drivers.
• Debug embedded hardware and firmware using tools such as oscilloscopes, logic analyzers, serial terminals, and debuggers.
• Assist with hardware bring-up, PCB testing, and prototype validation.
• Develop test applications or utilities using Python when required.
• Work with Raspberry Pi or embedded Linux platforms for device integration and data processing.
• Participate in system testing, debugging, documentation, and performance improvement.
• Collaborate with hardware, software, AI/ML, and product-development teams.
• Research and evaluate current sensors, ICs, development boards, and embedded technolog

📌 Embedded Systems Developer – Trivandrum (Thiruvananthapuram)
🏢 AppleBerry Technologies
📍 Thiruvananthapuram