Tim Sielemann
Principal Engineer at Haiilo
Kirchgellersen, Lower Saxony, Germany
Summary
👤
Senior🎓
Top SchoolTim Sielemann is a Principal Engineer with 11 years of hands-on full-stack experience, currently leading technical strategy and execution at Haiilo while staying deeply involved in code. He has driven Haiilo’s transition from a monolith with on-prem support to a domain-driven microservice cloud architecture, mentoring teams and raising engineering standards along the way. Based in Kirchgellersen, Germany, he pairs pragmatic implementation skills with a strong emphasis on collaboration and usability forged during early roles in fintech and academic usability testing. Known for balancing leadership and coding, he brings a track record of shipping product-focused solutions and guiding tribes toward scalable, maintainable systems.
11 years of coding experience
12 years of employment as a software developer
Bachelor of Science - BS, Angewandte Informatik, 0,85, Bachelor of Science - BS, Angewandte Informatik, 0,85 at Hochschule für Angewandte Wissenschaften Hamburg (HAW Hamburg)
Stackoverflow
71reputation
328reached
1answer
1question
Github Skills (27)
bbcode10
froala10
html-editor9
ace-editor9
wysiwyg9
rich-text-editor9
editorjs9
text-editing9
web-components8
lit8
javascript8
contenteditable8
task-management7
css7
component-library7
Programming languages (3)
Github contributions (5)
TimSielemann/HAW-VSP
May 2015 - Jun 2015
Contributions:47 pushes, 1 branch in 29 days
TimSielemann/AIP
May 2015 - Jun 2015
Contributions:8 pushes, 1 branch in 1 month
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