Hannes Schmidt
Senior Software Engineer at UCSC Genomics Institute
United States
Summary
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Rockstar🎓
Top SchoolHannes Schmidt is a Senior Software Engineer with 12 years of professional experience building backend systems and cloud-native workflows, currently contributing at the UCSC Genomics Institute. He brings deep practical knowledge of distributed job orchestration and storage on AWS—highlighted by contributions to the widely used Toil workflow engine, where he improved AWS job-store reliability, multipart uploads, and Mesos executor interactions. Hannes has progressed from hands-on development and data migration roles to technical leadership positions, including Lead Software Engineer roles at UC Santa Cruz and Eyealike. He combines strong DevOps instincts with backend engineering, focusing on robust file management and scalable deployment patterns. Based in the United States and trained as a Dipl.-Ing. in Computer Science from Technische Universität Berlin, he blends academic grounding with a pragmatic approach to production systems. A behind-the-scenes problem solver, he often tackles thorny integration and resource-management issues that keep complex pipelines running smoothly.
12 years of coding experience
10 years of employment as a software developer
M.A. (Dipl.-Ing.), Computer Science, M.A. (Dipl.-Ing.), Computer Science at Technische Universität Berlin
Stackoverflow
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Github Skills (9)
mesos10
aws10
amazon-s310
sql-db10
back-end-development10
python10
testing8
dockers3
docker3
Programming languages (20)
Github contributions (5)
DataBiosphere/toil
May 2015 - Dec 2016
A scalable, efficient, cross-platform (Linux/macOS) and easy-to-use workflow engine in pure Python.
Role in this project:
Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:10 releases, 953 commits, 502 PRs in 1 year 7 months
Contributions summary:Hannes focused on bug fixes and implementing new features for the AWS-based job store, interacting primarily with SimpleDB, S3, and related libraries. They contributed by developing and testing components related to file management and storage, with specific attention to multi-part uploads and managing the hot deployment of user scripts. Furthermore, the user addressed issues related to the Mesos executor and general issues with resource management.
pythoncommon-workflow-languagemesosawsslurm
DataBiosphere/cellxgene-fargate
Mar 2020 - Apr 2021
Host CZI's cellxgene on AWS Fargate
Contributions:5 PRs, 27 pushes, 6 branches in 1 year 1 month
fargatehostawsaws-fargateczi
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