Florian Sellmayr
Account Tech Principal Principal Consultant at Thoughtworks
Berlin, Germany
Summary
🤩
Rockstar🎓
Top SchoolFlorian Sellmayr is a technology leader and hands-on generalist with 12 years of experience, currently serving as Account Tech Principal at Thoughtworks in Berlin where he oversees delivery and commercial outcomes for large automotive accounts. He has repeatedly built and scaled high-performing teams (50–100 people), launched over five products and platforms, and grown developer experience programs to support ~20 teams across cloud, observability, security and tooling. Equally comfortable in code and strategy, Florian has a strong track record in continuous delivery, DevOps culture and platform engineering—contributing to open-source tooling from front-end drag-and-drop components to service routing optimizations in Marathon. He’s known for coaching next-generation tech leaders and embedding measurable improvements in DORA metrics and developer satisfaction. A former startup co-founder with MSc training in software engineering, he blends entrepreneurial grit with enterprise-scale delivery experience.
12 years of coding experience
8 years of employment as a software developer
Master of Science - MS, Software Engineering, Master of Science - MS, Software Engineering at Elite Graduate Program Software EngineeringBachelor of Science - BS, Computer Science, Bachelor of Science - BS, Computer Science at Technical University of Munich
Stackoverflow
86reputation
4kreached
1answer
0questions
Github Skills (24)
mesos10
javascript10
python10
testing10
service-discovery10
front-end-development10
logging10
jasmine10
haproxy10
dockers9
docker9
configuration-management9
orchestra8
orchestration8
html8
Programming languages (12)
Github contributions (5)
ovidiuch/dragdealer
Dec 2014 - Aug 2015
Drag-based vanilla JS component
Role in this project:
Front-end Developer & Test Automation Engineer
Front-end Developer & Test Automation EngineerContributions:14 commits, 4 PRs, 1 push in 8 months
Contributions summary:Florian primarily focused on improving the existing JavaScript-based drag-and-drop component. Their contributions involved fixing bugs related to step calculations and handle positioning when only a single step is available. They also added documentation for new callback functions, updated the testing infrastructure to support local testing without Sauce Labs, and corrected click event handling.
vanillajavascriptvanilla-jsdrag
mesosphere/marathon-lb
Aug 2015 - Feb 2016
Marathon-lb is a service discovery & load balancing tool for DC/OS
Role in this project:Backend & DevOps Engineer
Backend & DevOps EngineerContributions:8 commits, 1 PR, 4 comments in 6 months
Contributions summary:Florian primarily contributed to the service router component of the project, focusing on performance improvements and operational enhancements. They refactored code to optimize the fetching of application and task information, and implemented performance measurements. Furthermore, the user added features for improved logging and configuration flexibility, and added the ability to resolve hostnames for backends. These changes enhance the service router's efficiency and robustness.
golangload-balancingdiscoveryservice-discoverymonitoring
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