- 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).
- 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
- 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.

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