Job Summary

Designation / Position: Bluetooth Developer

Responsibilities

- 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.

- Bluetooth Audio &

- Telephony: Work on audio path routing, SCO/eSCO handling, and BT audio performance tuning.

- Debug audio issues like: Stutter, 1.5/2 speed playback, Delay or sync issues, Call audio one-way/no audio.

- Optimize latency, bandwidth, and codec performance (SBC/AAC/aptX LC3).

- 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.

- 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.

- 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.

- 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.

- 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

- Work Experience Required: 3+ Year

Skills

Mandatory Key Skills

- BLE

- Android

- Java

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