Felix Schröter
(he/they)Freelance Software Engineer | ☁️ Architect | DevOps | Rust 🦀 | Nix ❄ | 11+ YOE | Technical Lead on Entrepreneurial & Intrapreneurial Ventures 🚀
Freelance Software Engineer at atvari
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Career: 9
Freelance Software Engineer
atvari
Self-employed · Remote
Aug 2026 - Present
Freelance Software Engineer
atvari
Self-employed · Remote
Coming soon. Company yet to be founded.
Senior Software Engineer
CmdScale GmbH
Full-time · Remote
May 2025 - Jun 2026
Senior Software Engineer
CmdScale GmbH
Full-time · Remote
Supported a client as an interim Infrastructure & DevOps Lead Engineer. Worked as a Platform Engineer for a client in the information security sector.
Lead DevOps Engineer
secunet Security Networks AG
Contract · Remote
May 2025 - Jan 2026
Lead DevOps Engineer
secunet Security Networks AG
Contract · Remote
Supported CmdScale client as an interim Infrastructure & DevOps Lead Engineer.
Tech Lead
upsquared GmbH
Full-time · Remote
Jun 2024 - Apr 2025
Tech Lead
upsquared GmbH
Full-time · Remote
Technical Lead for Cloud-native Development, Infrastructure & DevOps solutions
Senior Software Engineer
upsquared GmbH
Full-time · Remote
Oct 2019 - Apr 2025
Senior Software Engineer
upsquared GmbH
Full-time · Remote
Full-Stack Architecture, Development, Infrastructure & DevOps for Cloud-native solutions
Senior Software Engineer
Digital Spring
Full-time · Remote
Apr 2019 - Sep 2019
Senior Software Engineer
Digital Spring
Full-time · Remote
Full-Stack Architecture, Development, Infrastructure & DevOps for Cloud-native solutions
Software Engineer
Digital Spring
Full-time · Remote
Oct 2016 - Mar 2019
Software Engineer
Digital Spring
Full-time · Remote
Full-Stack Development, Infrastructure & DevOps for Cloud-native solutions
Software Engineer
Werum IT Solutions
Full-time · On-site
Jun 2015 - Sep 2016
Software Engineer
Werum IT Solutions
Full-time · On-site
DCS/PCS and ERP interface development with .NET and PL/SQL
Trainee
Werum IT Solutions
Full-time · On-site
Aug 2012 - Jun 2015
Trainee
Werum IT Solutions
Full-time · On-site
Process automation (DCS/PCS) interface development with .NET
Education: 2
University of Colorado Boulder
Master of Science - MS, Computer Science
May 2024 - Sep 2026
University of Colorado Boulder
Master of Science - MS, Computer Science
Berufsbildende Schulen Lüneburg
Computer Science Expert, Software Development
Aug 2012 - Jun 2015
Berufsbildende Schulen Lüneburg
Computer Science Expert, Software Development
Courses: 30
Dynamic Programming, Greedy Algorithms
University of Colorado Boulder · CSCA 5414
Approximation Algorithms and Linear Programming
University of Colorado Boulder · CSCA 5424
Advanced Data Structures, RSA and Quantum Algorithms
University of Colorado Boulder · CSCA 5454
Network Systems Foundation
University of Colorado Boulder · CSCA 5063
Network Principles in Practice: Linux Networking
University of Colorado Boulder · CSCA 5073
Network Principles in Practice: Cloud Networking
University of Colorado Boulder · CSCA 5083
Computing, Ethics, and Society Foundations
University of Colorado Boulder · CSCA 5214
Modeling of Autonomous Systems
University of Colorado Boulder · CSCA 5834
Fundamentals of Software Architecture for Big Data
University of Colorado Boulder · CSCA 5008
Software Architecture Patterns for Big Data
University of Colorado Boulder · CSCA 5018
Ethical Issues in AI and Professional Ethics
University of Colorado Boulder · CSCA 5224
Ethical Issues in Computing Applications
University of Colorado Boulder · CSCA 5234
Introduction to Computer Vision
University of Colorado Boulder · CSCA 5222
Introduction to Machine Learning: Supervised Learning
University of Colorado Boulder · CSCA 5622
Data Mining Pipeline
University of Colorado Boulder · CSCA 5502
Data Mining Methods
University of Colorado Boulder · CSCA 5512
Linux System Programming and Introduction to Buildroot
University of Colorado Boulder · ECEA 5305
Linux Kernel Programming and Introduction to Yocto
University of Colorado Boulder · ECEA 5306
Security & Ethical Hacking: Attacking the Network
University of Colorado Boulder · CSCA 5303
Security & Ethical Hacking: Attacking Unix and Windows
University of Colorado Boulder · CSCA 5313
Data Mining Project
University of Colorado Boulder · CSCA 5522
Fundamentals of Natural Language Processing
University of Colorado Boulder · CSCA 5832
Deep Learning for Natural Language Processing
University of Colorado Boulder · CSCA 5842
Linux Embedded System Topics and Project
University of Colorado Boulder · ECEA 5307
Security & Ethical Hacking: Attacking Web and AI Systems
University of Colorado Boulder · CSCA 5323
Unsupervised Algorithms in Machine Learning
University of Colorado Boulder · CSCA 5632
Deep Learning for Computer Vision
University of Colorado Boulder · CSCA 5322
Modern AI Models for Vision and Multimodal Understanding
University of Colorado Boulder · CSCA 5422
Introduction to Deep Learning
University of Colorado Boulder · CSCA 5642
Applications of Software Architecture for Big Data
University of Colorado Boulder · CSCA 5028
Credentials: 23
The University of Edinburgh
University of Pennsylvania
Software Architecture for Big Data
University of Colorado Boulder
University of Colorado Boulder
University of Colorado Boulder
Advanced Embedded Linux Development
University of Colorado Boulder
Data Mining Foundations and Practice
University of Colorado Boulder
Stanford University
Computing, Ethics, and Society
University of Colorado Boulder
Mathematics for Machine Learning and Data Science
DeepLearning.AI
Network Systems: Principles in Practice
University of Colorado Boulder
Foundations of Data Structures and Algorithms
University of Colorado Boulder
Mathematical Thinking in Computer Science
UC San Diego
UC San Diego
Certificate of Cloud Security Knowledge v.4
Cloud Security Alliance
Yale University
CompTIA
University of Helsinki
University of Helsinki
Elements of AI: Introduction to AI
University of Helsinki
Functional Programming in Haskell
University of Glasgow
Projects: 6
NixOS Config & Homelab
codeberg.org/felschr/nixos-config
Aug 2019 - Present
NixOS Config & Homelab
codeberg.org/felschr/nixos-config
Maintaining my personal & work computers as well as a homelab via a declarative NixOS configuration. My homelab hosts services from home automation to media servers & more.
Pheno-Inspect Plant Analyzer Web
Jan 2022 - Jun 2024
Pheno-Inspect Plant Analyzer Web
Developed a web-based frontend for Pheno-Inspect's Digital Phenotyping platform powered by Computer Vision.
pgp2ssh
Mar 2024
pgp2ssh
Derive private ed25519 SSH key from private PGP key.
AspNetCore.Identity.DocumentDB
github.com/FelschR/AspNetCore.Identity.DocumentDB
Nov 2016 - Feb 2020
AspNetCore.Identity.DocumentDB
github.com/FelschR/AspNetCore.Identity.DocumentDB
A Cosmos DB (DocumentDB) storage provider for ASP.NET Core Identity.
Plastikpost
web.archive.org/web/20220710170444/https://www.plastikpost.de/
May 2019 - Aug 2019
Plastikpost
web.archive.org/web/20220710170444/https://www.plastikpost.de/
Every week, up to 20.7 million issues of “Einkauf Aktuell” land in German mailboxes. Plastikpost.de allowed users to object very easily: over 79 000 objections have been recorded.
Letzte Werbung Melder
web.archive.org/web/20191021030141/https://www.letzte-werbung.de/melder
Nov 2018 - Aug 2019
Letzte Werbung Melder
web.archive.org/web/20191021030141/https://www.letzte-werbung.de/melder
Web app that allowed users to report companies that send mail advertising despite “No advertising” sticker on mailbox.
Volunteering: 4
Member in Neurodiversity Working Group
Merge Forward (CNCF)
Nixpkgs Contributor
NixOS
Oct 2019 - Present
Nixpkgs Contributor
NixOS
Contribute to the largest open source package repository and one of the most active GitHub projects. Maintain a few packages & NixOS modules including Tor Browser & Mullvad Browser. Nixpkgs Maintainer since Dec 2020 and Nixpkgs Committer since Aug 2024.
Member
Volt Deutschland
Nov 2021 - Aug 2022
Member
Volt Deutschland
Campaigning for the German federal elections 2021.
Lead Software Engineer
Letzte Werbung e.V.
Nov 2018 - Aug 2019
Lead Software Engineer
Letzte Werbung e.V.
Lead technical development of letzte-werbung.de/melder and plastikpost.de