html5 css3 mongodb postgresql node.js typescript rest api leadership redis react docker redux express.js orm webgl websockets three.js solidity graphql kubernetes pm2 database design jwt web3 next.js nestjs oauth2 authorization nft responsibility tailwind css github actions crm integrations docker compose javascript (es6+) zustand mentoring code review webassembly responsive / adaptive layout frontend optimization spa / ssr graphql subscriptions microservices architecture modular architecture backend optimization authentication session-based auth rbac / roles & permissions sso integration query optimization indexing migrations full-stack deployment cloud services integration real-time systems payment integrations third-party api integrations gpu optimization architectural thinking fast project analysis business logic understanding analytical approach deadline management

front-end frontend optimization