Sergio Martínez / zkzoomer
Senior ZK Protocol EngineerSpain (CET)
CV

Matter Labs
Senior Protocol Engineer
Matter Labs, Remote
2025-2026

DRI for the ZKsync v29 upgrade, coordinating contract and server work for native interoperability. Productionized protocol changes across contracts, server, APIs, and integration tests while turning release branches into focused PRs.

ZKsync v31 server changes PRServer v31 support across the stack, wiring the new contracts into node, CLI, tests, and CI flowsserver #4608
Focused v31 release PRsTurned v31 release work into focused server PRs covering protocol integration, execute-path changes, and native interoperability groundwork.server #4730server #4769server #4756
Focused v29 release PRsSplit v29 release work into reviewable server PRs for VM changes and protocol upgrade readiness.server #4292server #4221
Top 10 era-contracts contributorSustained contract-side protocol contributions to matter-labs/era-contracts, including v29 and v31 release and upgrade work.contracts #1419contracts #1947contributors graph
Term Structure
ZK Protocol Engineer
Term Structure, Taiwan (R.O.C.)
2023-2024

Designed protocol logic and implemented a custom zkVM and blockchain components for a DeFi lending and borrowing platform.

Airbus
Software Engineering Intern
Airbus Defence and Space, Spain
2021

Developed a software simulation tool for evaluating different lidar sensors under flight test scenarios.