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Build self-custody for
the next billion.
Crypto promised people would own their money — then made it terrifying. We're fixing that. If you sweat the details and care about real users, come help us keep the promise.
01
Users over hype
We build for humans, not for crypto twitter. Clarity beats cleverness every time.
02
Security is the product
On-device keys, simulated transactions, open source. We earn trust in code.
03
Remote & onchain-native
A small, senior, globally-distributed team that ships fast and sleeps fine.
Open roles
Remote-first, worldwide.
Senior Mobile Engineer — iOS
Engineering · Full-timeRemote
Cryptography & Security Engineer
Security · Full-timeRemote
Product Designer
Design · Full-timeRemote
Developer Relations
DevRel · Full-timeRemote
Don't see your role? We love meeting builders — write to careers@lumen.example.