- Teaching programming to kids aged 12-16 in both Romanian and English.- Lead a team of 5+ instructors, providing mentorship and overseeing their work.- Conduct classes for groups of 10+ students, focusing on Python and web development.- Helped onboard and train new instructors to ensure high-quality teaching.- Contributed to enhancing the quality of lessons and educational materials.- Taught Python fundamentals, including core syntax, databases (SQL), and libraries like Tkinter, CGI, and SQLite3.- Guided students in web development, covering HTML, CSS, JavaScript, Python scripts (CGI), and GET requests.

- Developed and maintained the backend system for secure bank transfers.- Designed and implemented RESTful APIs to ensure smooth and reliable communication between different financial services.- Worked with databases to manage and process transaction data, ensuring accuracy and security.- Optimized backend performance to handle high-volume transactions efficiently.- Collaborated with cross-functional teams to integrate backend solutions with front-end applications.- Ensured compliance with industry standards and best practices for financial data security.

- Developed an internal application for creating employee CVs, which were then sent to clients.- Collaborated with a team of 4 Java developers and 1 front-end developer to build a robust back-end system.- Designed and optimized the database structure in PostgreSQL, ensuring efficient data management.- Created RESTful APIs to enable smooth communication between the front-end and back-end.- Used Hibernate to handle and retrieve data efficiently.- Authored Flyway scripts to manage database creation, updates, and migrations.- Participated in code reviews to ensure high-quality coding standards across the team.