DSP SW Engineer

Spyrosoft Ltd; Szczecin; On-site; PLN 180,000 - 240,000; Full time

Job summary

Spyrosoft Ltd in Szczecin is seeking an experienced C++ embedded audio engineer to develop low-latency software for automotive audio stacks on Linux/QNX platforms. You will work with Qualcomm AudioReach/AudioElite and Hexagon ADSP.

The role emphasizes real-time design, signal processing, and integration with Android Audio HAL, ALSA, PulseAudio or PipeWire, with a focus on multi‑threading and performance profiling in embedded Linux environments.

Qualifications

• Strong proficiency in C++17 or later.
• Hands‑on experience with multi‑threaded programming in Linux.
• Experience with real‑time systems and low‑latency audio software architectures.
• Good understanding of audio middleware architectures.
• Hands‑on experience with Qualcomm Audio Platforms (AudioReach, AudioElite).
• Experience in developing signal processing modules on Qualcomm Hexagon ADSP.
• Practical experience with Android Audio HAL and/or Linux ALSA.
• Working knowledge of PulseAudio, PipeWire, or similar technologies.
• Experience with audio latency optimization, buffer management, DSP profiling, and latency measurement.
• Solid knowledge of embedded Linux and/or QNX.

Responsibilities

• Design, develop, and maintain embedded audio software for Linux/QNX platforms.
• Integrate signal processing modules on Qualcomm Hexagon ADSP.
• Develop and integrate with Qualcomm AudioReach and AudioElite.
• Collaborate with Android Audio HAL, ALSA, and audio middleware.
• Optimize audio pipelines for low latency and real‑time performance.
• Perform DSP profiling, latency measurement, and bottleneck analysis.
• Tune buffer management, multi‑threading, and resource utilization.
• Debug complex issues across the embedded audio stack.
• Work with cross‑functional teams in an automotive environment.

Skills

C++17+

Multi-threading in Linux

Real-time audio

Audio middleware architectures

Qualcomm Audio Platforms

Qualcomm Hexagon ADSP

Android Audio HAL/ALSA

PulseAudio / PipeWire

DSP and signal processing

Embedded Linux

Job description

Tech Stack:

• C++17 or later




• Linux Embedded / QNX




• Android Audio HAL / Linux ALSA




• Qualcomm Audio Platforms: AudioReach, AudioElite




• Qualcomm Hexagon ADSP




• PulseAudio / PipeWire




• Multi-threaded programming




• DSP and signal processing




• Fixed-point arithmetic and SIMD




• Real-time and low-latency audio systems

Required Qualifications:

• Strong proficiency in C++17 or later




• Hands‑on experience with multi‑threaded programming in Linux




• Experience with real‑time systems and low‑latency audio software architectures




• Good understanding of audio middleware architectures




• Hands‑on experience with Qualcomm Audio Platforms, including AudioReach and AudioElite




• Experience in developing and integrating signal processing modules on Qualcomm Hexagon ADSP




• Practical experience with Android Audio HAL and/or Linux ALSA




• Working knowledge of audio engines such as PulseAudio, PipeWire, or similar technologies




• Experience with audio latency optimization, buffer management, DSP profiling, and latency measurement




• Solid knowledge of embedded Linux and/or QNX

Nice to Have:

• Familiarity with fixed-point arithmetic




• Experience with SIMD optimization




• Previous experience developing audio solutions for the automotive industry




• Experience with performance optimization of embedded audio systems




• Broader knowledge of DSP-based audio processing and debugging




• Experienced in using AI tools in day-to-day workflow

Project Description:

The project focuses on developing advanced audio software for the automotive industry. You will work with embedded Linux/QNX platforms, C++ and Qualcomm audio technologies to build and improve audio solutions. The main goal is to deliver stable, low-latency and high-quality audio systems for modern vehicles.

Scope of Services:

• Design, development, and maintenance of embedded audio software using C++17+




• Development and integration of audio components for Linux/QNX-based embedded platforms




• Integration of signal processing modules on Qualcomm Hexagon ADSP




• Development and integration with Qualcomm AudioReach and AudioElite




• Integration with Android Audio HAL, ALSA, and audio middleware




• Optimization of audio pipelines with a focus on low latency and real-time performance




• DSP profiling, latency measurement, and performance bottleneck analysis




• Optimization of buffer management, multi-threading, and resource utilization




• Debugging and resolving complex issues across the embedded audio stack




• Collaboration with software, DSP, platform, and system engineering teams in an automotive environment