We are looking for a embedded engineer who can help us develop firmware for our custom OBD2-based truck diagnostic tool. You'll work on real-time data communication with truck ECUs using CAN and OBD-II protocols. Responsibilities: Develop and test firmware for STM32/ESP32-based diagnostic hardware Implement CAN bus (J1939, ISO 15765) communication protocols Write Bluetooth communication logic between device and Android app Work with PCB designer and app developer to ensure proper data flow Debug issues using serial/UART logs, CAN analyzers Requirements: Basic knowledge of Embedded C / C++ Familiarity with CAN protocol / UART / SPI Experience with STM32 / ESP32 (college project is okay) Eagerness to learn and work on automotive diagnostics Good debugging and communication skills Preferred: Internship or personal project experience with microcontrollers Worked on any vehicle, IoT, or robotics project using sensors Knowledge of OBD-II or Bluetooth communication How to Apply: Send your resume to: info@samrainfotech.com Job Types: Full-time, Permanent, Fresher Pay: ₹297,809.06 - ₹470,358.37 per year Benefits: Health insurance Schedule: Day shift Supplemental Pay: Performance bonus Quarterly bonus Yearly bonus Work Location: In person Application Deadline: 11/07/2025 Expected Start Date: 10/07/2025

We are build DiagPlus , an Android app for live car diagnostics via Bluetooth (BLE). You will develop the mobile app that connects to OBD2 hardware and displays real-time vehicle data. Responsibilities : Build Android app in Java/Kotlin Connect via BLE to OBD2/ESP32 device Display RPM, error codes, sensor data Create scan report screen & user dashboard Integrate REST APIs (Spring Boot backend) Requirements : 0.6–3 years Android experience Must know Bluetooth/BLE APIs Firebase/local DB, UI design, error handling OBD2 knowledge is a plus Git + Android Studio Job Types: Full-time, Permanent, Fresher Pay: ₹248,894.03 - ₹638,930.03 per year Benefits: Health insurance Work Location: In person Application Deadline: 12/07/2025 Expected Start Date: 14/07/2025