FRONT-END

 - HTML5, CSS3, Bootstrap CSS, Tailwind CSS, Material UI, Ant Design, Chakra UI

 - JavaScript(ES6/ES7+, Babel, TypeScript), Three.js, Web3.js, D3.js

 - React, Vue, Next.js, Angular, Redux, Redux-Saga

 - Styled Components, Hooks

 - Hybrid(React-Native, Flutter), Native(Android Java, Swift)

BACK-END

 - JavaScript, Ruby, PHP, Java, Python, Go

 - Node.js, Nest.js, Ruby on Rails, Laravel, Spring Boot, Django, Golang

DATABASE

 - MySQL, PostgreSQL, MongoDB, Oracle, MS SQL Server, Elasticsearch, Redis, Firebase Amazon DynamoDB

TESTING

 - Junit, Mockito, SOAPUI, Postman

 - GitHub Actions, Circle CI, Jenkins, BuildKite

VERSION CONTROL SYSTEM

 - Docker, K8S, Microservice Architecture, RabbitMQ Kafka

CLOUD SERVICES

 - AWS - Elastic Beanstalk, EC2, S3, Lambda, SQS, Identity and access management, Cloud Watch, Cloud Formation, Route 53, EBS

 - Google Cloud, Firebase, Heroku, Netlify

API

 - REST API, Open API, Fast API, GraphQL

TOOLS/ENV

 - Slack, Trello, Jira, Asana, Clickup, GitHub, GitLab, Bitbucket