Android Audio Engineer

About the Role

Android Audio Engineer at Visynth Labs Pvt Ltd.

Job Location: Hyderabad / Bangalore

Platforms: Mobile, XR, Smart Glasses (Android-based)

Key Responsibilities

• Bring-up, development, and debugging of the Audio framework/driver stack across client Android platforms (Mobile, XR, Smart Glasses).
• New feature development.
• Customer issue resolution.
• Compute/memory and power optimization for audio use cases.

Requirements & Tech Stack

Domain-Specific Requirements:

• Linux Kernel development, ALSA/ASoC driver focus.
• Android audio framework experience (AudioFlinger, HAL, Audio Policy Manager).
• Audio use-cases: playback, recording, voice call audio paths, low-latency audio, Bluetooth audio (A2DP/LE Audio).
• Audio codec and DSP integration experience (on-chip audio DSP firmware/offload architectures).
• Echo cancellation, noise suppression, beamforming, and multi-mic array processing.
• Power optimization for always-on audio and low-power audio paths.

Core Programming:

• Strong C/C++.
• Working knowledge of Java and Python for framework and tooling work.

Platform Fundamentals:

• Embedded/microprocessor architecture (ARM preferred).
• Linux OS internals and multi-threaded programming.
• Strong debugging skills on Linux/RTOS.
• ARM-platform experience preferred.
• Android HAL/Framework layer understanding for the relevant subsystem.

Tooling:

• GDB, strace/ftrace, JTAG/Lauterbach Trace32, kernel logging and tracing tools.

Process & Soft Skills:

• Working knowledge of SQA processes.
• Strong problem-solving and debugging mindset.
• Strong verbal/written communication.
• Flexible on business needs, including onsite presence and extended-hours availability during customer escalations.

Qualifications

Education: BE / BTech / MTech in CS, ECE, or EE.

Engagement & Compliance Terms

Contract Duration: Initial engagement: 12 months, extendable based on client project needs and performance.

Notice Period: Preferred: 0–30 days. Candidates serving longer notice periods (60–90 days) to be considered for planned, non-urgent requisitions only.

Background & Clearance:

• Background verification required before onboarding.
• Willing to sign client-mandated NDA and IP-assignment/confidentiality agreements.
• Comply with client's device/data-handling and export-control requirements.
• No conflicting concurrent engagement with a competing chipset or device vendor during the contract term.

Work Mode: Primarily onsite at client facility in Hyderabad or Bangalore; hybrid arrangements considered case-by-case.