Marrio E
Video & Podcast Producer Content Strategist
Worcester, Massachusetts, United States
Summary
👤
Senior🎓
Top SchoolMarrio E is a versatile creative technologist and producer with over a decade in audio and video production and eight years of IT/software experience, based in Worcester, MA. He blends hands-on podcast and video production—Pro Tools, live sound, editing, scripting—with practical IT and desktop support skills honed across healthcare and enterprise environments. On GitHub he contributes backend Substrate development for the Astar dApp hub, applying blockchain staking and runtime configuration knowledge to real networks like Shiden and Shibuya. Comfortable managing teams, inventory, and workflow, he pairs content strategy and production leadership with systems troubleshooting and deployment. Marrio’s profile reveals a rare combination of creative audio engineering and low-level blockchain backend work, making him effective at bridging media production and technical infrastructure.
8 years of coding experience
10 years of employment as a software developer
Associate's degree, Science of Audio Productions, Associate's degree, Science of Audio Productions at THE NEW ENGLAND INST. OF ART
Github Skills (11)
substrate10
rust10
blockchain10
wasm-pack9
web3js9
rust-wasm9
evm9
staking8
kuma8
polkadot-js8
polkadot8
Programming languages (9)
Github contributions (5)
AstarNetwork/Astar
Feb 2021 - May 2022
The dApp hub for blockchains of the future
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1 release, 134 reviews, 50 commits in 1 year 3 months
Contributions summary:Marrio primarily contributed to the back-end logic of the Astar network, focusing on the dApps-staking functionality. Their work included adjusting era durations and minimum staking amounts for specific chains (Shibuya, Shiden, and Local runtimes). They also integrated the dApps-staking feature into the Shiden chain and updated precompiles. The commits show an understanding of Substrate-based blockchain development, focusing on parameters and runtime configurations.
astar-networkkusamastakingsubstratejsonrpc
AstarNetwork/aWASoMe
Jun 2022 - Nov 2022
An aWASoMe list of awesome things curated by the Dotsama community.
Contributions:1 review, 17 commits, 1 PR in 4 months
awasomedotsama
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