✔ Languages :- Javascript, Node.js,Typescript, ES6, HTML5, CSS3, Java
✔ Frameworks/Libraries:- ExpressJs, Angular 2+, SailsJs, Knockout, NestJS, VueJS, React JS, React Native, Ionic, Spring Boot, GraphQL
✔ Databases:- MongoDB, Redis (Server and Microsoft service), MySQL, Lightblue, Firebase, SQL Server, postgresql
✔ APIs:- Cloudinary, Google geolocation, Facebook/Google+ - Social authentication(Passport), ZOHO Payment Integration, SendGrid, etc
✔ Tools:- Webpack, npm, Yarn, Grunt
✔ Testing:- TDD, Mocha, Chai, Sinon, Supertest, Jmeter, Ghost Inspector, Cypress
✔ Code Quality:- StandardJs, EsLint, Prettier, JSLint, Flow
✔ VCS:- Git
✔ CI/CD:- Jenkins, Ansible, Fastlane, 
✔ Dev/DevOps:- Agile (Scrum), JIRA, BitBucket, GitLab, Docker, Prometheus, Graylog, ELK, LDAP, Kubernetes, Azure, AWS, Digital Ocean, GCP, zeit, etc.
✔ API documentation:- APIDOC, Swagger