Karl Von Randow
Founder Member at Letterboxd Limited
Auckland, Auckland, New Zealand
Summary
👤
Senior🎓
Top SchoolKarl Von Randow is a seasoned software founder and developer based in Auckland, New Zealand, with 19 years of experience building consumer and developer tooling. He co-founded Letterboxd, created the Camera+ iOS app (which sold its 10 millionth copy), and built Charles Proxy, illustrating a rare blend of product sense and low-level engineering. He also co-owns Cactuslab and served as CTO at WebMedia earlier, demonstrating leadership across startups and studios. His work spans mobile iOS, backend, and DevOps, with active open-source contributions to GPUImage, testem, and enterprise tooling in projects like Infinispan and Hibernate Tools. He has led ventures like Flying Kiwi Angels as a founder member, illustrating a pattern of starting and growing technology ventures. He holds a BCom/BSc(Hons) from the University of Auckland, aligning business, management, and computer science expertise with hands-on software craftsmanship.
19 years of coding experience
4 years of employment as a software developer
BCom/BSc(Hons), Computer Science, Management Science and Information Systems, BCom/BSc(Hons), Computer Science, Management Science and Information Systems at University of Auckland
Stackoverflow
474reputation
48kreached
13answers
2questions
Github Skills (39)
objective-c10
javascript10
ios10
nosql10
image-processing10
video-processing10
testing10
dev-ops10
java10
gpuimage10
javas10
hibernate10
javascripts10
error-handling10
datagrid10
Programming languages (22)
Github contributions (5)
BradLarson/GPUImage
Oct 2012 - Nov 2013
Role in this project:
Mobile Developer (iOS)
Mobile Developer (iOS)Contributions:32 commits in 1 year
Contributions summary:Karl primarily contributed to the `GPUImage` iOS framework, focusing on image and video processing capabilities. Their work involved adding and modifying filters, including the implementation of a Levels filter with associated UI and control features. Furthermore, they addressed several bugs and made performance optimizations, such as refactoring code to use vectors and optimizing memory management. Additionally, they enhanced the project's functionality by adding new blend modes and adding a setting for JPEG compression quality.
imagegpucameraios-frameworkvideo-processing
infinispan/infinispan
Dec 2013 - May 2016
Infinispan is an open source data grid platform and highly scalable NoSQL cloud data store.
Role in this project:Backend & DevOps Engineer
Backend & DevOps EngineerContributions:14 commits, 4 PRs, 4 comments in 2 years 5 months
Contributions summary:Karl primarily contributed to the server-side infrastructure of the Infinispan project. They focused on creating and modifying init.d scripts for the Infinispan server, adding features like allowing configuration parameters to be set via a service configuration file. They also increased a server timeout value related to state transfer and modified core Java code to add a metadata parameter to the `putForExternalRead` method.
persistent-storagedata-griddata-sourcescalablenosql
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