Rafal Zalech

Embedded DSP Audio

Startup FounderITSound engineerSound designerEntertainmentProduct ManagerEmbedded Developer

Embedded Audio Solutions Expert | 12+ Years of Experience in Consumer & Pro Audio Electronics Passionate and results-driven expert in embedded audio solutions, specializing in DSP algorithms, embedded systems, and audio electronics for the pro audio music industry. With 12+ years of experience, I have successfully designed and implemented various electronic devices for different audio applications, including microphone audio processing, motion and touch detection, wireless data streaming, and OTA firmware updates. Key Expertise: Embedded Systems & Hardware Development Extensive experience with ARM-based MCUs (STM32, nRF52) Strong proficiency in CMSIS Experience working in both Bare Metal and FreeRTOS, with some exposure to Zephyr Hardware debugging & optimization using Segger J-Link, Ozone, Jmem, Jviewer, OpenOCD, and JTAG, Logic, PowerProfiler etc. Deep understanding of hardware architecture design and production pipelines Hands-on experience in CE/FCC certification processes for electronic devices Digital Signal Processing & Audio Technology Advanced skills in FFT, autocorrelation, sound enhancement, compression, and MIDI Software Development & CI/CD Daily work in Visual Studio Code, Xcode, and Visual Studio AI Tools including Co-pilot / Claude Sonnet CI/CD pipeline creation and automation within Atlassian tools (Bitbucket, custom pipelines) Expertise in Git repository management, ensuring clean and transparent version control Writing unit tests using Unity Team Leadership & Product Development Led a team of 5+ engineers, overseeing hardware, software architecture, and production Managed projects from early prototyping to mass production, successfully launching products in the market A highly motivated problem-solver with a strong technical foundation, I thrive in high-performance embedded audio environments and am passionate about creating innovative audio solutions for the next generation of consumer and pro audio devices.