Languages & Frameworks
Java (Spring Boot), Python (Django, Flask, FastAPI), JavaScript/TypeScript (Node.js, Express.js, NestJS), PHP (Laravel, Symfony), C# (.NET, ASP.NET Core), C/C++, Go (Fiber, Gin), Rust (Actix, Rocket), Ruby (Rails), Perl, Elixir (Phoenix), Kotlin (Ktor), R
CMS & Platforms
WordPress, Drupal, Strapi, Ghost, Joomla
Databases & Query
PostgreSQL, MySQL, SQL Server, MariaDB, Oracle, MongoDB, Firebase Firestore, CouchDB, Neo4j, InfluxDB, Elasticsearch, Solr
ORMs
Prisma, SQLAlchemy, Hibernate, Sequelize
API Design
REST, GraphQL, gRPC, OpenAPI (Swagger), JSON-RPC
Authentication & AuthZ
OAuth2, JWT, Passport.js, Auth0, Firebase Auth