1. BlockChain, expert.
2. A short time and clear result.
3. Web, Mobile knowledge.
- Built 10 android & web app based on flutter .
- linked the data of the mobile application with the data of the site;
- wrote PHP code with the functionality of reading, writing and loading data from a mobile and web application to the database;
- created 2 graphs for data analysis with filters by date (daily, weekly, monthly and yearly). The charts included general data on user records, reproduced using line chart, bar chart & pie chart. Each point on the graph can be examined in detail;
- optimized over 20,000 lines of code: PHP - 7500, Java for Android - 13000;
- analyzed more than 4,000 thousand lines of a mobile application and optimized up to 1,500 lines, performance increased by 3.5 times;
- worked on the security of user data: encryption (hashing) passwords using the base64_encode function;
- introduced ideas for the development of the application: use a complex structure of SQL queries instead of repetitive code, use the Git Hub platform to merge different parts of the application.