President
Current
Dec 2023 - Present
Who is Rj Ewing? Overview
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Quick answer
Rj Ewing is listed as President at Estmere, based in Eugene, Oregon, United States. AeroLeads shows a matched LinkedIn profile for Rj Ewing.
Rj Ewing previously worked as President at That 1 Painter Portland and Owner at Tall Timber Properties Llc.
Company email context
Email format at Estmere
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Estmere
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Profile bio
About Rj Ewing
Rj Ewing is a President at Estmere. He possess expertise in blockchain, javascript, java, ethereum, solidity and 11 more skills. Colleagues describe him as "I’ve been working with RJ on Giveth, a complex blockchain project. He’s a great developer, smart and fun person and problem solver. Loves to hack into code and 3rd party packages, all to get a product working. I’ve learned a lot from working with him and whoever does in the future should feel lucky!"
Listed skills include Blockchain, Javascript, Java, Ethereum, and 12 others.
Current workplace
Rj Ewing's current company
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8 roles
Rj Ewing work experience
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President
Owner
Tall Timber Properties Llc
We acquire and operate value add self-storage facilities, industrial, warehouses, retail, office, NNN, and other Commercial real estate
Co-Owner
A collaboration with 12+ local organic farms to provide a weekly, entirely customized, full diet grocery box to over 320 families throughout the Willamette Valley. Simple online ordering and delivered directly to your doorstep.
Mar 2017 - Mar 2023
Lead Blockchain Engineer
Building a decentralized crowdfunding platform where givers can take back their funds if they are dissatisfied with how the project is using them!I helped build from the ground up using React, FeathersJS (Node), ES6, and Solidity.My core responsibilities include:- Smart Contract development, auditing, and testing- UI blockchain and wallet integrations- NodeJS based caching server- Ethereum node & server devops
Jul 2017 - Aug 2020
Solidity Smart Contract Auditor
White Hat Group
Part of a diverse and experienced team auditing the AragonOS Ethereum Smart Contract system.In July 2017, helped identify and exploit a vulnerability in a commonly used multisig contract in the Ethereum Ecosystem, rescuing ~$84 million USD in ETH and ~$130 million USD in various tokens, and securely returning the funds within a week
Jul 2017 - Aug 2020
Lead Full-Stack Developer
Biocode Llc
Lead developer responsible for building and deploying a comprehensive field data management and referencing solution with integrations with lab management software and existing data repositories for clients in the scientific research community.I built the system using an extensible and modular full-stack architecture allowing for a single core application to be used to meet the unique scientific data validation and referencing needs of multiple institutional clients.The system is built on a foundation consisting of PostgreSQL and Java Spring based REST API. The UI is built using AngularJS and Material Design.
Dec 2013 - Jan 2020
Software Engineer Internship
Medigoblin (Google Summer Of Code)
I designed and implemented a pluggable authentication system for a Python based web app, allowing site administrators the choice of which authentication providers/methods to use, including basic username/password authentication, LDAP, OpenID, and others.
Jul 2013 - Sep 2013
FAQ
Frequently asked questions about Rj Ewing
Quick answers generated from the profile data available on this page.
What company does Rj Ewing work for?
Rj Ewing works for Estmere.
What is Rj Ewing's role at Estmere?
Rj Ewing is listed as President at Estmere.
Where is Rj Ewing based?
Rj Ewing is based in Eugene, Oregon, United States while working with Estmere.
What companies has Rj Ewing worked for?
Rj Ewing has worked for Estmere, That 1 Painter Portland, Tall Timber Properties Llc, Full Farm Csa, Llc, and Giveth.Io.
How can I contact Rj Ewing?
You can use AeroLeads to view verified contact signals for Rj Ewing at Estmere, including work email, phone, and LinkedIn data when available.
What skills is Rj Ewing known for?
Rj Ewing is listed with skills including Blockchain, Javascript, Java, Ethereum, Solidity, Sql, React.Js, and Python.
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