Job Summary

Designation / Position: Bluetooth Developer

Responsibilities

1. Bluetooth Stack Development & Integration

- Develop, customize, and integrate Bluetooth stack components (Fluoride stack/BlueZ or OEM BT stack).
- Implement and extend BT profiles such as:
- Hands-Free Profile (HFP)
- Advanced Audio (A2DP/AVRCP)
- Phonebook Access (PBAP)
- Message Access (MAP)
- HID, PAN, BLE GATT profiles
- Work on Android framework/BT service and HAL layer modifications.
- Update or create a design for Implementation or modification.

2. Bluetooth Audio & Telephony

- Work on audio path routing, SCO/eSCO handling, and BT audio performance tuning.
- Debug audio issues like:
- Stutter
- 1.5x/2x speed playback
- Delay or sync issues
- Call audio one-way/no audio
- Optimize latency, bandwidth, and codec performance (SBC/AAC/aptX LC3).

3. Bluetooth Low Energy (BLE)

- Develop and integrate BLE profiles and GATT services.
- Work with BLE privacy, random/static addresses, pairing/bonding, and reconnection strategies.
- Develop BLE scanning/advertising and coexistence strategies with Wi-Fi.

4. Connectivity, Coexistence & Performance

- Debug BT/Wi-Fi coexistence issues.
- Analyse connection drops, pairing failures, and reconnection behavior.




- Work on RF parameters, HCI command/response flows, and link quality behavior.

5. Debugging & Analysis

- Use tools such as:
- HCI snoop logs, Bluetooth HCI logs, Bluetooth Air Sniffer logs
- btmon/btsnoop, adb/logcat
- QXDM (for modem/BT integrated chipsets)
- Perform root cause analysis for complex field/issues from OEM/customer.
- Interact with chipset vendors (Qualcomm, Mediatek, CSR, TI, etc.) for bug resolution.

6. Interoperability (IOP) & Certification

- Support Bluetooth IOP testing with various phones (Android/iOS).
- Ensure compliance with Bluetooth SIG requirements.
- Support BT certification cycles and required documentation.

7. Software Quality & Process

- Participate in code reviews, unit testing, and integration testing.
- Ensure compliance with automotive quality processes (A-SPICE).
- Support Scrum/Agile development activities and deliverables.

Job Details

- Job Location: Chennai
- Industry Type: Software Product
- Functional Area: IT & Information Security
- Qualification: Any Graduate
- Hiring For: IT Industry

Skills & Tools

- Ble
- Android
- Java

📌 Bluetooth Developer (Chennai)
🏢 Serendipity corporate services
📍 Chennai