Frontend Development

React

Expert

Hooks, Context, Redux, React Query, Server Components

Next.js

Expert

App Router, SSR, ISR, API Routes, Middleware, Edge

TypeScript

Expert

Generics, Utility Types, Decorators, Strict Mode

Tailwind CSS

Expert

Custom Config, Plugins, JIT, Dark Mode, Responsive

Backend Development

Node.js

Expert

Event Loop, Streams, Clustering, Worker Threads

NestJS

Advanced

Modules, Guards, Interceptors, Pipes, Microservices

PostgreSQL

Advanced

Query Optimization, Indexing, Partitioning, JSONB

Redis

Advanced

Caching, Pub/Sub, Streams, Lua Scripting

Cloud & DevOps

AWS

Advanced

EC2, ECS, Lambda, S3, RDS, CloudFront, Route53

Docker

Advanced

Multi-stage Builds, Compose, Networks, Volumes

Kubernetes

Advanced

Pods, Services, Ingress, Helm, Operators

CI/CD

Expert

GitHub Actions, GitLab CI, Jenkins, ArgoCD

Additional Tools

GraphQL Socket.io Kafka RabbitMQ Elasticsearch MongoDB Prisma Sequelize Jest Cypress Storybook Figma Terraform Prometheus Grafana Nginx Vercel Cloudflare