Johanna Fransson
Senior Web3 Engineer at dotarazzi
Mountain View, California, United States
Summary
🤩
Rockstar🎓
Top SchoolJohanna Fransson is a Senior Web3 Engineer based in Mountain View with eight years of hands-on experience building full-stack blockchain products since 2017. She designs and ships secure, user-focused wallet experiences and middleware—most recently building a PWA Web3 wallet with SvelteKit, passkey/WebAuthn auth and EIP-4337 account abstraction features at Gnosis. As a founder and founding engineer she co-created Everyname.xyz (acquired in 2023), where she engineered fast on-chain indexing, reverse resolvers and Redis caching to accelerate API response times. Her technical toolkit spans Javascript/Typescript, React/React Native, Svelte, Node/Fastify, Ethers/Viem and MySQL, enabling end-to-end delivery from mobile UX to blockchain infra. Johanna also advises as CTO for early-stage projects and has a history of contributing to cross-chain tooling and browser/mobile wallet integrations. Notably, she blends product-minded engineering with security-first authentication design, making complex blockchain flows feel frictionless for users.
8 years of coding experience
6 years of employment as a software developer
Bachelor of Science - BS Computer Science, Bachelor of Science - BS Computer Science at San José State UniversityAssociate of Science - AS Computer Science, Associate of Science - AS Computer Science at Foothill College
Github Skills (31)
wallet8
blockchain8
ethereum8
core-library8
expressjs8
dedicated7
uniswap7
bitcoin7
cryptocurrency7
endpoint7
backend6
unwrap6
nodejs6
backend-api6
mongodb5
Programming languages (3)
Github contributions (5)
liquality/my-collectives-pwa
Oct 2023 - Feb 2024
Contributions:34 reviews, 104 PRs, 324 pushes in 4 months
liquality/meme-amplifier-machine
Mar 2024 - Apr 2024
Contributions:27 PRs, 126 pushes, 13 branches in 26 days
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