Backend
Nest.jsNode.jsTypeScriptPrisma ORMTypeORMPassport + JWT
Databases
PostgreSQLRedisBull queues
Messaging
Apache KafkagRPCRedis Pub/SubWebSocket (Socket.IO)
Blockchain
EthereumTONSolanaWeb3.js / ethers.jssmart contracts
Frontend
React 18Vue 3Svelte 5 / SvelteKit 2TypeScriptViteTailwind
Mobile
FlutterDartPWA + Capacitor
DevOps
DockerKubernetesTerraformNGINXGitLab CI/CDCloudflareHusky
Monitoring
PrometheusGrafanaSentryPostHog
Tools
GitLinuxClickUpLinearSwaggerAsyncAPIFigmaInsomnia