Elrich Groenewald
Senior Software Engineer at Google
Zurich, Zurich, Switzerland
Summary
🤩
Rockstar🎓
Top SchoolElrich Groenewald is a Senior Software Engineer based in Zurich with 11 years of experience building distributed systems and machine learning-driven products. Currently on Google’s Applied AI team, he balances research-grade data science expertise from an ETH Zürich MSc with hands-on engineering across full-stack and systems work. His open-source contributions to Scalabel highlight practical skills in 3D annotation, sensor integration and point-cloud tooling—bridging ML data needs with production web interfaces. Past roles span startups and research labs, where he moved from machine learning internships to senior engineering roles, consistently shipping features and refactoring complex codebases. Colleagues describe him as a pragmatic problem-solver who enjoys untangling edge cases in sensor data and turning them into reliable platform features.
11 years of coding experience
5 years of employment as a software developer
Honours Computer Science Mathematical Statistics, Honours Computer Science Mathematical Statistics at Stellenbosch UniversityPaul Roos Gymnasium Old Boys UnionMSc Data Science, MSc Data Science at ETH Zürich
English, Afrikaans
Github Skills (12)
threejs10
computer-vision10
typescript10
javascript10
typescripts10
3d-graphics10
dataannotations10
data-annotation10
react10
typescript-types10
image-processing9
git7
Programming languages (3)
Github contributions (5)
scalabel/scalabel
Nov 2021 - Jul 2022
Scalabel: A versatile web-based visual data annotation tool
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:1 review, 36 commits, 13 PRs in 8 months
Contributions summary:Elrich primarily contributed to the development of 3D labeling features, including the creation of box spans and ground plane functionalities, within the web-based visual data annotation tool. They implemented features for 3D box heading, plane adjustments, and duplicate box creation. Furthermore, the user worked on refactoring and maintaining the codebase by fixing bugs, updating external libraries, and integrating sensor data handling for point cloud and image-based projects.
data-annotationweb-basedvisual-dataannotation-toolversatile
elrichgro/cloudseg
Nov 2020 - Jan 2022
Full sky cloud segmentation with the Infrared Cloud Camera in Davos, Switzerland
Contributions:1 PR, 98 pushes, 2 branches in 1 year 2 months
skycameraobject-detectioncomputer-visionsky-cloud
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