Freelance. Development of a monorepo application for generating purchase and sales invoices. Printing invoices and reports using PDFKit required for presentation to the Tax Agency. Deployment on AWS EC2. ● Node.js, Nest.js framework, MongoDB. Frontend with React. ● Dockerization and Gitlab runner implementation. Configuration of gitlab-ci.yml. ● User management and authentication using JWT and refresh tokens.

Remote freelance. Development of a monolithic API. Mobile/web application for ticket and event management. Organization of events with up to 4000 attendees for more than 10 active corporate clients (well-known German football and hockey clubs). Agile methodology. Collaboration with frontend team using Angular. ● Node.js, Nest.js framework, MongoDB. ● Unit and integration testing (Jest/Supertec). End-to-end testing. ● Data storage on AWS S3. PDF generation. Reports and exports (Excel, CSV). ● Docker and Postman. User management and authentication using JWT and refresh tokens.

Implementing and pushing code to Git repositories. Java. Spring boot framework. - Unitary and integration tests. - PostgreSQL. Agile methodology, Scrum flow.

I am contributing and participating in open Source projects using new technologies I already learnt in my last course of react + node.js.

Teacher of groups, private lessons, and also online lessons.

- Data mining and analysis of production figures - Creation and coordination of different employees shift - Checking and review of raw materials and other production sources - Creating production time table according the clients demand - Collecting and processing data using EDI/ERP at high level.

- Managing and supervising different logistics procedures. Stocks, ubication, sales records. - Technical support post sales, warranty and refunds of non-conforming products

-Creation and managing wharehouse lay-out - Raw material supply according purchases and demands analysis.

-Installing electrical devices, setting LAN racks and creating local network