User:KathleneParrish

Look first at domain experience, not the size of the portfolio. Ask to see two or hire senior nodejs developer three projects that resemble your domain and blockchain [https://webparadox.com/industries/igaming/ igaming web development agency] your stack, [https://webparadox.com/compare/vuejs-vs-angular/ difference between vue and angular-materials/ fixed price vs time and materials] then ask who actually wrote that code.