Project1:Developed frontend with React TypeScript using Material UI, Formik, YUP, and NPM libraries.Used custom React hooks, React Query for state management, client-side caching.Constructed backend RESTful API via Node.js Express Framework.Implemented Firebase hosting, Firestore CRUD operations, JWT authorization.Collaborated on GitHub, implemented CI/CD with JEST, Puppeteer.Built dynamic dashboards using SVG.Implemented QR codes, file uploading, MUI data grid, PDF viewer, document printer.Project2:Built frontend using Vue JS, Vuetify, Vux, API interactions.Developed data models, queries with Django ORM, added tables to Postgresql.Constructed backend API endpoints with Django REST, tested with Postman.MachineLearning:Supervised learning: regressions, classifications, neural networks, random forest, gradient boosting.Unsupervised learning: K-Means, hierarchical clustering, Gaussian mixtures PCA.Natural Language Processing.Project3:Built relational database with Postgresql, ExpressJS / Postgraphile for GraphQL endpoints.Built frontend with NextJS, React Relay, NextAuth for authentication, i18Next for translations.Utilized GCP, Debezium on GKE, Pub/Sub, Dataflow, Cloud Storage for CDC.Single-Sign-On, role-based access in Keycloak, OpenID, other auth providers in NextAuth.Implemented CubeJS for data visualization/ interactions, JWT for access control.Authored Github actions for e2e tests, security & code quality scanning (Trivy, Husky, gitleaks), container deployment.Wrote e2e tests in Playwright, Docker Containers for application deployment.Conducted code reviews, suggested improvements, preventative actions for bugs and vulnerabilities.DataAnalytics:Developed Python tools for data-driven decision making, investment portfolio management.Automated processes for teams.Conducted high dimensional calculations, simulations using Python Pandas, Numpy, parallel processing; SQL server for database.Built backend API endpoints in Python Flask.