Nils Sommer is a product and engineering leader with 11 years in software delivery and 8+ years scaling B2C products, now leading Product & Engineering at Getsafe. He progressed from software engineer to Head of Product and recently Head of Product & Engineering, blending hands-on backend experience with strategic product ownership. His background includes research and engineering roles at Fraunhofer IOSB and an MSc in Computer Science from KIT, giving him strong foundations in applied research and systems design. Nils contributes to open-source Ruby tooling—improving scoping and query ergonomics in active_hash—showing attention to developer experience and legacy compatibility. He excels at turning complex technical constraints into pragmatic product decisions and thrives at the intersection of engineering craftsmanship and user-focused roadmap execution. Based in Heidelberg, he brings a pragmatic, research-informed approach to scaling teams and systems in fast-moving insurance tech.
11 years of coding experience
12 years of employment as a software developer
Master of Science (M.Sc.) Informatik, Master of Science (M.Sc.) Informatik at Karlsruhe Institute of Technology (KIT)
Bachelor of Science (B.Sc.) Angewandte Informatik, Bachelor of Science (B.Sc.) Angewandte Informatik at Duale Hochschule Baden-Württemberg, Karlsruhe
A readonly ActiveRecord-esque base class that lets you use a hash, a Yaml file or a custom file as the datasource
Role in this project:
Back-end Developer
Contributions:17 commits, 4 PRs, 9 comments in 6 months
Contributions summary:Nils contributed to the `active_hash/active_hash` repository by implementing and refining features related to scoping and querying data within the ActiveHash framework. Their work includes adding the `.scope` method to define custom queries, validating the body type of scope definitions, and addressing Ruby 2.4 compatibility issues. The user also focused on refactoring the query interface by moving query-related methods to the `Relation` class and making the `#where` method chainable, thus improving usability and functionality.
Contributions:4 reviews, 2 commits, 7 PRs in 1 year 6 months
simplifyhannesvcrharness
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