Eric M.
20 Years of Web/App Dev (10Y of Crypto/Game Dev)
I can do pretty much anything. I'm here because I need to a basic income while I work on my game. Thankfully Japan is cheap. * Languages - TypeScript, JS, Python, C#, C/C++, PHP, ActionScript, Solidity * Web Development - client/server architecture, databases, security, scaling, caching, SEO * Web Libraries - Webpack, Vue, React, Angular, jQuery, Dust * Web Services - REST, SOAP, Express Gateway, Protobuf, GRPC * Web Security - OWASP, XSS, SQL-I, poison null byte, mail/click hijacking, etc. * Web Applications - Nuxt, Node/Express, Ruby on Rails, PHP/ LAMP * Payment Gateways - APIs for Braintree, Chase, Shopify, PayPal, Stripe, 5+ more * Databases - RDBMS, MySQL, PostgreSQL, Redis, Elasticsearch, SQLite, Mongo * ORMs - DataMapper, Doctrine, Bookshelf, Objection * Data Mining - distributed crawling/aggregation, Puppeteer, RegEx * Content Management Systems - WordPress, CI, CakePHP * Desktop Applications - .NET, Electron, Qt, Xcode * Mobile Applications - iOS/Xcode, Android, React Native * Game Development - Unity, Phaser * Server Architecture - Nginx, Apache * Automation Tools - Jenkins, Docker, Selenium
Earnings and projects
Last 6 months ÷ 2, the fewest it counts (since Sep 2026)
Read daily since Oct 20, under 30 days
Billed in all: $3,998$4k
$3.7k in the last 6 months
Earnings, last 30 days
Tracked from Oct 20, 2026.
Skill rankings: Top 5% in Blockchain Architecture
Ranked by MRR among everyone on Upwork with the skill.
- #16Blockchain Architecture305 freelancers · 🇯🇵 #1Top 5%🇯🇵#1 of 1
- #48Game760 freelancers · 🇯🇵 #1Top 6%🇯🇵#1 of 7
- #124Desktop Application1,674 freelancers · 🇯🇵 #1Top 7%🇯🇵#1 of 5
- #291Mobile App3,535 freelancers · 🇯🇵 #1Top 8%🇯🇵#1 of 6
- #349Product Development3,593 freelancers · 🇯🇵 #3Top 10%🇯🇵#3 of 6
- #700AI App Development4,708 freelancers · 🇯🇵 #2Top 15%🇯🇵#2 of 5
- #914OpenAI API6,930 freelancers · 🇯🇵 #2Top 13%🇯🇵#2 of 7
- #1,154Artificial Intelligence10,593 freelancers · 🇯🇵 #3Top 11%🇯🇵#3 of 25