◼ Most used technologies were Next.js , React, TypeScript, Tailwind CSS, WebSockets.• Designed architecture and built whole crypto exchanger application from the scratch based on Next.js and Typescript.• Optimized and enhanced SEO by following bunch of Google rules.• Translated whole application into 7 languages.• Optimized load time by rendering components in the server(SSR) .• Dark/Light mode usage.

◼ Most used technologies were JavaScript, React, Node.js, MySQL, D3.js, and Docker. I worked on both the front-end and back-end of web applications, implementing features and functionality.• Developed new Automation logic with Node.js and AWS services.• Created and handled as private RESTful APIs as public.• Tested endpoints with expect testing library.•Took part in dockerizing entire project with DevOps team.• Added CSV file validator as middleware for some routes

• Created more than 20 type of charts for data visualization by D3.js.• Refactored old chart components and created a small package for generating charts dynamically.• Developed invited users logic and refactored JWT logic in database.• Improved chart downloading by configuring Puppeteer.• Built 2FA authentication to improve user's security level.• Built custom hooks and reusable high efficient components.• Integrated Stripe payment system into applications. Added and handledsubscription plans and created products for users.•Added Intercom into web applications .Created new Intercom events for statsand higher admin control also for user convenience for familiarizing features ofapplications.

◼ Used technologies were JavaScript, TypeScript, React, Redux,MobX, Styled-Components, GraphQL, •Wrote new reducers and actions for Redux • Created new reusable React components , handled and maintained. •Optimized code level by reducing fetch requests. •Wrote unit tests ,tested React Components by React Testing Library. •Migrated most of class components into functional ones to avoid props drilling and to have ability of using hooks. •Built custom hooks for applications to avoid repetitive code snippets (followedD.R.Y principle).•Worked with MongoDB by driver Mongoose and MySQL by Sequelize.

◼ Used technologies were HTML5/CSS3 ,JavaScrip, React, Redux,Bootstrap •Redux was inseparable part of my development. • Built HTML layouts with its enhanced animation system to bring best view. •Provided responsive design of Web Applications by creating web version of Application. •Enhanced component styling by the help of Bootstrap. •Created new reusable components , which helped me to speed up our developing and maintaining.