- HTML5, CSS3, JavaScript (ES6+), TypeScript, Redux, MobX, Vuex, SSR & SSG
- Frameworks: React.js, Vue.js, Angular, React Native, Svelte
- Node.js, Express.js, NestJS, Python (Django, FastAPI), Go, Java (Spring Boot)
- Microservices architecture, RESTful API & GraphQL
- MySQL, PostgreSQL, MongoDB, Redis, DynamoDB
- Indexing & query optimization, Transactions & ACID compliance, Caching strategies
- Git, GitHub, GitLab, GitHub CI/CD, Jenkins, Docker, Kubernetes, AWS, GCP, Azure
- Jest, Mocha, Chai, Cypress, Playwright
- ESLint, Prettier, SonarQube
- OpenAI, HuggingFace, Google AI, TensorFlow.js, PyTorch, scikit-learn
- AI Agents, Chatbots, recommendations, predictive analytics
- Mentorship & team leadership, Agile methodology (Scrum, Kanban), Code review & documentation, Problem-solving & system thinking