Brigitte Markmann is a product manager and former software developer with 11 years’ experience building backend and embedded systems, now shaping product at Ferrous Systems in Berlin. She transitioned from Ruby web stacks into systems programming and Rust, contributing to notable open-source tooling such as knurling-rs/defmt by adding i128/u128 support for embedded logging. Her background blends hands-on engineering roles at startups and scale-ups with formal training in media management and sociology, giving her a pragmatic, user-focused approach to technical product decisions. Comfortable moving between code and strategy, she brings deep IoT and backend experience to help teams deliver reliable, efficient systems.
11 years of coding experience
11 years of employment as a software developer
Professional training as Management Assistant in Audio-Visual Media, Professional training as Management Assistant in Audio-Visual Media at Epix Media AG + Industrie- und Handelskammer zu Berlin
Department of Sociology, Department of Sociology at Freie Universität Berlin
Efficient, deferred formatting for logging on embedded systems
Role in this project:
Embedded Systems Engineer / IoT Developer
Contributions:1 release, 12 reviews, 15 commits in 8 months
Contributions summary:Brigitte's primary contribution focuses on enhancing the `defmt` library, designed for efficient logging in embedded systems. They implemented support for `i128` and `u128` integer types, expanding the library's formatting capabilities. The changes involve modifications across multiple files, including the decoder, parser, macros, implementation details, and test files. These additions directly address the core functionality of the library, improving its utility for embedded development by allowing for larger integer representations in logging.
Contributions:5 PRs, 26 pushes, 12 branches in 9 months
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Brigitte Markmann - Product Manager at Ferrous Systems GmbH