Sigurd Spieckermann
Principal Engineer Software Engineering at Siemens
Buxtehude, Lower Saxony, Germany
Summary
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Rockstar🎓
Top SchoolSigurd Spieckermann is a Principal Engineer in Software Engineering at Siemens with 12 years of experience bridging DevOps, MLOps and data science. He holds a doctorate in computer science from TUM and an M.S. from Stanford, combining rigorous research with production-focused engineering. An active open-source maintainer and contributor, his work spans high-impact projects such as dask (file I/O optimizations), Theano (random number generation and NumPy compatibility), Renovate (SSH commit signing and dependency managers), mkdocs-material and copier. He co-founded creaidAI to accelerate AI adoption and has lectured on deep learning at LMU, mixing teaching, productization and architecture. A signatory of the Siemens OSS Manifesto, he is known for pragmatic, low-level improvements that boost performance and portability when moving models and data pipelines into production.
12 years of coding experience
10 years of employment as a software developer
Bachelor of Science (B.Sc.), Computer Science and Engineering, Bachelor of Science (B.Sc.), Computer Science and Engineering at Technische Universität Hamburg-HarburgDr. rer. nat., Computer Science, Dr. rer. nat., Computer Science at Technical University of MunichLancing CollegeAbitur, 1.7 (German grading system), Abitur, 1.7 (German grading system) at Gymnasium Halepaghen-Schule BuxtehudeMaster of Science (M.S.), Computational & Mathematical Engineering, Master of Science (M.S.), Computational & Mathematical Engineering at Stanford University
German, English, French
Github Skills (56)
dependency-manager10
dependency-management10
git10
scaffolding10
javascript10
node-js10
python10
package-management10
dependency-analysis10
testing10
css10
poet10
cookiecutter10
file-io10
ui-design10
Programming languages (12)
Github contributions (5)
copier-org/copier
Aug 2022 - Jan 2023
Library and command-line utility for rendering projects templates.
Role in this project:
Backend Developer
Backend DeveloperContributions:648 reviews, 51 commits, 566 PRs in 5 months
Contributions summary:Sigurd primarily contributed to refactoring the codebase, adding functionality, and fixing bugs within the copier project. They focused on improvements to core functionality such as template rendering, variable name collision prevention, and module imports. Furthermore, the user introduced code simplifications and removed deprecated features, enhancing code quality and maintainability.
copier-templatepythonscaffoldingcommand-line-utilityrendering
dask/dask
Nov 2015 - Jul 2021
Parallel computing with task scheduling
Role in this project:Back-end Developer
Back-end DeveloperContributions:1 PR, 35 comments in 5 years 8 months
Contributions summary:Sigurd primarily focused on enhancing the `dask/dask` project by refining its core functionality related to file handling and data processing. Their contributions involved refactoring the `_chunk_read_file` function to improve performance and efficiency in reading text files. They implemented features to support handling various file types, including gzip and bz2, and added support for custom line separators. They also addressed Python 3 compatibility issues and modified tests to align with these changes.
pythonschedulingparallelnumpydask
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