What's in your tech stack?

Here's what I work with day to day.

Languages

JavaScriptTypeScriptC++CJava

Frameworks

Nest.jsExpress.jsNext.jsReactTailwind CSS

AI

RAG pipelinespgvectorVector search

Databases

PostgreSQLMySQLMongoDBRedis

ORM / ODM

PrismaMongoose

Tools

GitGitHubDockerLinuxPostmanpnpm

Lately most of my time goes into RAG: chunking content, storing embeddings in Supabase with pgvector, and locking it down with row-level policies. On my LMS SaaS project that meant topic-specific AI companions with Clerk auth and role-based access.