Sr. Embedded Software Engineer- Bluetooth Development & Testing

Job Title: Sr. Embedded Software Engineer – Bluetooth Development & Testing

Experience: 6+ Years

Location: San Diego, CA (Onsite/Hybrid)

Type: Long Term Contract (2+ Years)

Synaptics is looking for a Senior Embedded Software Engineer with strong expertise in Bluetooth (Classic  /EDR + BLE) development, debugging, and testing. The engineer will work on embedded product development and validation for devices such as earbuds/audio products involving Wi‑Fi/BLE, Bluetooth controller firmware, and embedded systems (RTOS/Bare‑metal/Linux).

• Design, develop, enhance, and debug Bluetooth firmware and embedded software.
• Work on Bluetooth protocol stack and profile development including core and profile layers.
• Perform Bluetooth testing, validation, and automation using tools / logs / sniffers.
• Analyze Bluetooth issues using packet traces and protocol logs and independently fix defects.
• Collaborate with cross‑functional teams including Android, Linux, and Hardware teams.
• Support development in embedded environments such as Bare‑Metal, RTOS, and Yocto Linux.

• Bluetooth & Wireless (Must Have)
  • Strong experience in Classic Bluetooth (BR/EDR) and Bluetooth Low Energy (BLE)
  • Excellent knowledge of Bluetooth profiles and protocols including:
  • Audio Profiles: HFP, HSP, A2DP (SRC/SINK), AVRCP
  • Data/Other Profiles: PBAP, MAP, HID, SPP, OPP, SDP
  • GATT‑based BLE profiles
  • Understanding of Bluetooth layers and components: L2
    
    CAP, HCI, RFCOMM, LMP, LC, LLC
  • Solid knowledge of Bluetooth SIG specifications and protocol compliance
• Embedded Development (Must Have)
  • Strong hands‑on programming in C and C++ (Python is a plus)
  • Experience in Bluetooth controller firmware / embedded firmware development
  • Strong debugging skills in embedded hardware environments
• OS / Platforms
  • Experience working on RTOS / Bare‑metal environments; RTOS exposure:
    Zephyr / FreeRTOS preferred
  • Linux embedded exposure:
    Yocto Linux is a plus
  • Familiarity with Bluetooth stack components in Android / Linux; exposure to stacks like BlueZ / Bluedroid is desirable
  • Android BT components (Profile stack, HCI interface, transport driver, Bluetooth SCO)
• Testing, Automation & Debug Tools
  • Experience with Bluetooth protocol debugging tools:
    Wireshark / Ethereal
  • Bluetooth sniffers like Frontline / Ellisys
  • Logs such as HCI snoop logs
  • Exposure to testing frameworks / automation tools such as Appium / Python automation / Robot Framework (good to have)
  • Experience with Klocwork (plus)
• Preferred / Nice to Have
  • Experience with Bluetooth stacks from vendors such as Qualcomm / Broadcom / Marvell / Media Tek
  • Experience with Bluetooth audio module + audio codec integration
  • Transport/Kernel development for Bluetooth is a strong plus
  • CI/CD exposure is beneficial
• Tools / Environment
  • C, C++, Python
  • RTOS (Zephyr/FreeRTOS), Bare‑metal
  • Yocto Linux
  • Git, CI/CD pipelines
  • Bluetooth debugging tools:
    Wireshark, Ellisys/Frontline sniffers, HCI logs
• Education
  • Bachelor’s/Master’s in Electronics / Electrical / Computer Science / ECE or equivalent.
• Soft Skills
  • Strong communication skills (written & verbal)
  • Self‑motivated, proactive, and able to work independently
  • Strong team player with ability to work in a fast‑paced environment