Matt Sieren
Software Engineer at Ableton
Berlin, Germany
Summary
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RockstarMatt Sieren is a Berlin-based software engineer with 11 years of experience who blends embedded systems, iOS app development, and product thinking. He has contributed to notable open-source projects such as AudioKit and its Synth One app—implementing audio DSP improvements, SwiftUI interfaces, accessibility enhancements, and MIDI features—while also working on Arduino USB host support for nRF51822 hardware. Comfortable across firmware, mobile UI, and DSP, he translates low-level hardware constraints into polished user-facing functionality. His background as a developer-turned-product manager gives him a pragmatic focus on shipping usable features and improving developer ergonomics. Notably, he has hands-on experience resolving SDK/compiler issues and adapting SPI/pin configurations for new boards, demonstrating attention to platform-specific integration details.
11 years of coding experience
Github Skills (29)
c-language10
ios10
synthesizer10
synthesis10
swiftui-app10
spi10
midi10
midi-instrument10
nrf5110
audio10
sdk10
synthesize10
sys10
sound-synthesis10
mobile10
Programming languages (13)
Github contributions (5)
AudioKit/AudioKitSynthOne
Jan 2019 - Feb 2020
AudioKit Synth One: Open-Source iOS Synthesizer App
Role in this project:
iOS Mobile Developer
iOS Mobile DeveloperContributions:93 commits, 56 PRs, 10 pushes in 1 year 1 month
Contributions summary:Matt made several contributions to the AudioKit Synth One project, primarily focusing on the iOS application's functionality and UI/UX. Their work included fixing bugs, refactoring code for improved readability and style, and adding new features like a MIDI record button. The user also made changes to improve accessibility, including adding dark mode support and ensuring proper handling of MIDI events.
reverbsynthesizerauv3midisynthesis
felis/USB_Host_Shield_2.0
Nov 2014 - Sep 2016
Revision 2.0 of USB Host Library for Arduino.
Role in this project:Embedded Systems Engineer / IoT Developer
Embedded Systems Engineer / IoT DeveloperContributions:12 commits, 3 PRs, 18 comments in 1 year 10 months
Contributions summary:Matt primarily focused on adding support for the RBL nRF51822 board, integrating it with the existing USB host library for Arduino. Their contributions involved defining pin configurations, modifying SPI communication, and adapting code to function correctly with the new hardware platform. They also fixed compiler errors related to the RBL SDK and made code adjustments to accommodate the specific features of the RBL implementation.
hostusbarduinoarduino-ideusb-host
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