Languages: JavaScript (ES6+), TypeScript, Python, HTML5, CSS3, Liquid.
Frameworks and Libraries: Web Components, Tailwind CSS, Vue 3, React, Redux, Styled-Components, React Native, Ionic, Gatsby, Angular, Sass/SCSS, GSAP, Swiper, Material-UI, Bootstrap, Node.js, Express.js, Moment.js, Axios, Lodash, etc.
Dev Tools: Git, Chrome DevTools, Webpack, Vite, npm/npx/pnpm, Yarn, Figma, Storybook, Postman, ESLint, Firebase, Google Cloud Platform (GCP), AWS, Netlify, Swagger, etc.
Third-Party Services Integration: Gladly, Klaviyo, Digioh, Yotpo, Sailthru, Nosto, Rebuy, Elevar, Facebook, Google Maps, Google Analytics (GA4/GTM), Umami, etc.
Testing & Quality: ISTQB (Foundation Level), Test-Driven Development (TDD), Unit testing (Jest), Automation testing (Cypress, JMeter), BrowserStack, etc.
Web Performance: Core Web Vitals, Code-splitting, Lazy Loading, Image Optimization, a11y Audits, Accessibility (WCAG), Lighthouse, SSR (Server-Side Rendering), SSG (Static Site Generation), etc.
Web Security: OWASP, OAuth 2.0, JWT (JSON Web Tokens), etc.
APIs: Advanced proficiency in both RESTful and GraphQL API design and integration.
AI: Cursor, GitHub Copilot, Google AI Pro, OpenAI, Claude.
Databases: MySQL, MongoDB, SQLite, Microsoft SQL Server and Redis.
DevOps and CI/CD: GitHub Actions, CircleCI, Travis CI, n8n, Docker, Kubernetes and Jenkins.
Principles and Best Practices: SOLID, KISS, DRY, YAGNI, SoC, Clean Code, Conventional Commits, OOP, Functional programming, Modern ECMAScript 2025 features, Airbnb and Google Style Guides, Mobile First, Responsive Design, SPA, PWA, Design patterns, Data structures, AI-assisted development, Cloud computing, etc.
Shopify 2.0: Deep expertise in Shopify Functions, Checkout Extensibility, Theme App Extensions, Custom Apps, Storefront/Admin GraphQL APIs, etc.
Analytics: Umami, Google Analytics (GA4/GTM), Advanced analytics and reporting experience.
Digital Marketing and Business: A/B testing, User Reviews, Loyalty Programs, i18n, SEO, etc.
Agile: Extensive experience with Scrum, Kanban, Scrumban and Extreme Programming (XP).
Project Management: Atlassian JIRA Software, ClickUp, Monday, Asana, Trello, Confluence, Slack, Microsoft Excel, Google Sheets, etc.