Lukas Humbel
Senior Software Architect at NVIDIA
Zurich, Zurich, Switzerland
Summary
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RockstarLukas Humbel is a Senior Software Architect based in Zurich with a decade of experience building high-performance backend systems and distributed data infrastructure. He has moved between cutting-edge roles in academia and industry—transitioning from a PhD at ETH Zürich to engineering at Materialize and virtualization research at Huawei, and now architecture at NVIDIA—bringing deep systems and real-time data expertise. His open-source contributions to Materialize include enhancing SQL semantics (date_trunc intervals), optimizing transform pipelines, and adding protobuf support, highlighting a focus on practical performance and interoperability. Known for turning research-grade ideas into production-ready implementations, he blends low-level systems thinking with pragmatic engineering to ship reliable, scalable data platforms.
10 years of coding experience
4 years of employment as a software developer
Github Skills (14)
datetime10
rust10
dates10
sql10
protobuffer9
protobuf9
serialization9
postgresql9
data-serialization9
distributed-systems8
performance-optimization8
materialized-view7
data-structures6
data-structure6
Programming languages (9)
Github contributions (5)
MaterializeInc/materialize
Mar 2022 - Jan 2023
Real-time Data Integration and Transformation: use SQL to transform, deliver, and act on fast-changing data.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:208 reviews, 68 commits, 87 PRs in 10 months
Contributions summary:Lukas contributed to the Materialize project by implementing new functionality and fixing bugs in the backend. They introduced support for intervals in the `date_trunc` function, enhancing the SQL capabilities. Additionally, they optimized the transform functionality by rewriting single-row FlatMap operations to Map operations. Further contributions included adding protobuf support for various data types and identifiers used within the system, improving data serialization and interoperability.
streamsdata-warehousedistributed-sql-databasestreamingpostgresql-dialect
lluki/materialize
Mar 2022 - Jan 2023
Materialize simplifies application development with streaming data. Incrementally-updated materialized views - in PostgreSQL and in real time. Materialize is powered by Timely Dataflow.
Contributions:232 pushes, 54 branches in 10 months
materialized-viewstimelystreaming-datastreamingdocker
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