John Stamates
Senior Software Engineer II at Cars Commerce
Cincinnati Metropolitan Area United States
Summary
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Rockstar🎓
Top SchoolJohn Stamates is a Senior Software Engineer II with a decade of hands-on experience building resilient web systems, primarily using Elixir/Phoenix and React/TypeScript. He combines technical leadership—mentoring mid-level engineers and establishing backend chapters—with product-minded delivery, having led multiple projects that drove growth, automation, and reduced technical debt. As a full‑stack contributor to well-known open-source tooling like the Blockscout blockchain explorer, he’s improved UI/UX, live updates, and data performance for EVM-based networks. His background spans founder-led product launches and strategic program management at Siemens, giving him a rare blend of engineering craft, operational rigor, and business-savvy. Based in Cincinnati, he’s pragmatic about trade-offs and skilled at translating technical discovery into measurable ROI.
11 years of coding experience
16 years of employment as a software developer
BS, Manufacturing Engineering, BS, Manufacturing Engineering at Miami University
Stackoverflow
1reputation
0reached
0answers
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Github Skills (11)
web-development10
front-end-development10
ethereum10
elixir10
blockchain10
template-engine9
templater9
data-structures8
testing8
data-structure8
ui-design8
Programming languages (5)
Github contributions (5)
blockscout/blockscout
Jun 2018 - Oct 2018
Blockchain explorer for Ethereum based network and a tool for inspecting and analyzing EVM based blockchains.
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:199 commits, 43 PRs, 294 pushes in 4 months
Contributions summary:John primarily worked on enhancing the Blockscout blockchain explorer's user interface and functionality. Their contributions involved modifying templates and implementing features to display transaction and uncle details, as well as adding contract creation address links. They optimized performance by integrating estimated transaction counts and utilized live update mechanisms with channels for various views. Additionally, the user corrected errors and refactored code related to various features and data structures within the explorer.
blockchainethereumevmelixirexplorer
oceanconnect/oceanconnect
Jan 2018 - Mar 2018
Contributions:86 pushes, 21 branches in 2 months
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