David Rodriguez
Senior Software Engineer, Protocol at Billions Network
Lleida, Catalonia, Spain
Summary
👤
Senior🎓
Top SchoolDavid Rodriguez is a senior software engineer specializing in blockchain protocol and privacy engineering, with five years focused on Solidity, ZK (Circom), and decentralized identity (SSI) across projects at Polygon Labs, Torus, Privado ID and Billions Network. He blends full-stack JavaScript/TypeScript and mobile (Flutter, Android/iOS) experience with a background in .NET systems and database work, enabling end-to-end delivery from smart contracts to user-facing apps. At Polygon Nightfall and Torus he helped build privacy-preserving tokenization and payments using optimistic rollups and zero-knowledge proofs, a niche that pairs cryptographic depth with pragmatic product delivery. A lifelong learner with a Master's in Blockchain Technologies and an unusual history leading veterinary software at scale, he brings both startup agility and long-term product stewardship to complex, privacy-first blockchain solutions.
5 years of coding experience
19 years of employment as a software developer
Master's degree Blockchain Technologies, Master's degree Blockchain Technologies at UPC School (Universitat Politècnica de Catalunya)UPC Universitat Politècnica de CatalunyaBachelor of Science - BS Software Systems Engineering, Bachelor of Science - BS Software Systems Engineering at Universitat de Lleida
Github Skills (37)
tooling10
debugging10
javascript10
solidity10
api10
ethereum10
blockchain10
monorepo10
smart-contracts10
hardhat10
pos9
typescript9
point-of-sale9
matic9
polygon9
Programming languages (5)
Github contributions (5)
BillionsNetwork/billions-contracts
Jul 2025 - Dec 2025
Contracts for registry passport verification
Contributions:1 review, 1 PR, 2 pushes in 4 months
Catenaelabs/schemas
Sep 2024 - Oct 2025
Contributions:9 pushes, 1 branch in 1 year 1 month
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