Position: Java developer
Category: Java
English level: upper
Years of experience: 4


1) Medical web-service for doctors to work with patients, manage their medical cards, remote interaction with patient’s mobile phone app. (Spring Boot, JPA, MVC, Security (JWT), Liquibase, Thymeleaf, HTML, CSS, JS, Ajax, jQuery, Firebase Cloud Messaging)
Was involved for 9 months.
2) Web-service for transport company: flights search, ticket reserving and sales (Spring Boot, JPA, MVC, Security, Thymeleaf, Junit, Mockito)
Customer - Ukrainian company.
Was involved for 1 month.
3) STIR-SHAKEN SDK development for authorizate, identificate, verificate phone calls. (Java core, Java cryptography API: PKI, keystores, certificates + CRL, OCSP. Junit, Mockito)
Customer from the USA
Was involved for 11 months.
4) Automated system to reserve, buy related parking places by QR code, interactions with automated video surveillance system (REST, exernal API calls, Spring, Junit, Mockito, Angular)
Customer - Irish company.
Was involved for 5 month.
5) Asset management system for the provision of bicycle rental services 
(REST, Spring, Junit, Mockito, AngularJS)
Customer - Irish company.
Was involved for 3 month.
6) Project on traffic automation and related logic (booking, parking, payment) of cars, first of all large cargo in the seaport of the city (the big transport hub)
(REST, Spring, Junit, Mockito, AngularJS)
Customer - Irish company.
Was involved for 4 month.
7) Microservice for big USA retailing company. Micronaut, Google Big Table, Google Big query, Google PubSub. Was involved for 4 month.