Samuel Lown
Founder at Invopop
Madrid, Community of Madrid, Spain
Summary
👤
Senior🎓
Top SchoolSamuel Lown is a founder, systems architect, and developer with 17 years of experience taking software projects from idea to high-growth companies, including co-founding Cabify and leading its technical direction through unicorn scale. Now based in Madrid, he builds developer-first invoicing tools at Invopop while drawing on deep hands-on expertise across backend systems, Ruby, Go, real-time services and mobile clients. He has a track record of pragmatic engineering—preferring content over process—and has contributed to notable open-source projects like CarrierWave and CouchRest, improving core file handling and CouchDB integration. Comfortable designing microservice architectures and improving low-level libraries, he blends product intuition with implementation rigor to ship sustainable, society-forward technology.
17 years of coding experience
14 years of employment as a software developer
BSc Computer Science, BSc Computer Science at University of Staffordshire
Stackoverflow
139reputation
1.6mreached
4answers
0questions
Github Skills (31)
socket-io10
objective-c10
couchdb10
ios10
image-processing10
minimagick10
barcodes10
bar-code10
websocket10
c1110
codegen10
ruby10
c1710
code-generation10
socket10
Programming languages (12)
Github contributions (5)
couchrest/couchrest
Sep 2009 - Feb 2017
A minimalist CouchDB client in ruby
Role in this project:
Back-end Developer
Back-end DeveloperContributions:134 commits, 23 PRs, 33 pushes in 7 years 5 months
Contributions summary:Samuel primarily contributed to fixing issues related to the CouchDB URI generation within the CouchRest Ruby library. They addressed incorrect URI generation, improved testing to validate URI correctness, and simplified the design of design documents. Their changes involved modifying core document-related code and updating tests, indicating a focus on ensuring the library's correct interaction with CouchDB. The user also removed ExtendedDocument into its own gem.
couchdb-clientminimalistrubydatabasecouchdb
pkyeck/socket.IO-objc
Jan 2012 - Jan 2012
socket.io v0.7.2 — 0.9.x for iOS and OS X
Role in this project:Mobile Developer (iOS)
Mobile Developer (iOS)Contributions:7 commits in 16 days
Contributions summary:Samuel primarily contributed to the `socket.io-objc` repository by modifying the Objective-C code to improve the iOS client library. Their work included refactoring the code to use manual memory management, adding features such as a force disconnect option, and fixing disconnection issues. The changes also involved updating the websocket library used by the project. These modifications were aimed at enhancing the client's stability and compatibility with different socket.io versions.
socketsocket-iowebsocketos-xios
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