✅ Backend:
● Python (Django, Flask, Fast API), Celery, Django Channels,
● Node.js (Express.js), Websockets
● MySQL, PostgreSQL, MongoDB, Redis
● Payment API integrations (Stripe, PayPal, Braintree)
● Elasticsearch, Logstash, Kibana
● AWS, GCP, Firebase
● Docker, Kubernets
✅ Frontend:
● ES6+, Typescript, React JS(Redux, Next JS), Vue JS(Vuex, Nuxt JS), jQuery
● CSS3, Bootstrap, Material-UI
● Responsive design