BLE Controller Software and Firmware Engineer Exp: 3-5 yrs Notice period: Immediate joiner -Bangalore

Greeting from Leadsoc Technologies _ Bangalore.

Position: BLE Controller Software and Firmware Engineer

Skills :

• Design and develop BLE Link Layer and MAC controller software.
• Implement advertising, scanning, initiating, connection establishment and connection-event processing.
• Develop packet scheduling, channel selection, frequency hopping, acknowledgements, retransmission and timing-control functions.
• Interface BLE Link Layer software with radio PHY, hardware registers, timers, DMA and interrupts.
• Develop controller firmware, startup software, hardware-abstraction layers and peripheral drivers.
• Implement low-power states, sleep/wake-up handling, clock management and power optimization.
• Develop and integrate H CI transport over UART, SPI, USB or shared memory, as applicable.
• Support Direct Test Mode, manufacturing test modes, diagnostics and RF validation.
• Debug protocol timing, interoperability, throughput, latency, buffer-management and power-consumption issues.
• Develop unit tests and participate in integration, conformance and interoperability testing.
• Work closely with RF, ASIC, FPGA, validation, application and upper-stack teams.
• Support design reviews, code reviews, defect resolution and technical documentation.

Required Skills

• 3-5 years of experience in embedded firmware, wireless protocol software or BLE controller development.
• Strong programming skills in Embedded C; working knowledge of C++ is desirable.
• Hands-on experience in BLE Link Layer, MAC, controller firmware or closely related protocol-stack development.
• Understanding of BLE advertising, scanning, initiating, connections, connection parameters, data channels and control procedures.
• Knowledge of BLE packet formats, access addresses, CRC, whitening, channel mapping and adaptive frequency hopping.
• Understanding of BLE PHY interaction and time-critical radio-event scheduling.
• Experience with RTOS or bare-metal embedded software development.
• Familiarity with ARM, RISC-V, DSP or similar embedded processor platforms.
• Experience with JTAG debuggers, protocol analyzers, logic analyzers and oscilloscopes.
• Working knowledge of the Bluetooth Core Specification 5.x or later.

Preferred Skills

• Knowledge of HCI, L2CAP, SMP, ATT, GATT, DTM and controller-host architectures.
• Experience in pre-silicon FPGA/emulation or post-silicon validation environments.
• Exposure to BLE qualification, RF conformance, interoperability testing and test automation.
• Knowledge of AES-CCM, pairing, bonding, key handling, OTA updates and secure bootloaders.

Experience : 3- 5 yrs

Notice period : 0-15 days only

Regards

Murali