name city ukraine xxxgmailcom linkedin github java backend developer two years experience work experience middle java developer company name project project name project summary subscription service 062022present investigated memory leak consumes approximately 2030 application resources performance improvement 200ms 110ms saved company 3000 month researching adjusting aws dynamodb table settings worked jsmpp session alerts aws cloudwatch worked redis cache api spring cache configuration saved 15 minutes time managers updating content technologies java 8 python spring core web data rest cache hibernate tomcat aws maven git redis cache redshift dynamodb mysql mockito junit html junior java developer company name project summary automatization payment banking system 112021062022 increased performance flow client 1 min 10 seconds provided standup meeting took part onboarding 2 new employees parsing data webpages technologies java 8 spring core web selenium api js git maven skills languages java c frameworks libraries spring core boot data web rest security aop cache hibernate thymeleaf liquibase aspnet mvc 5 ef java ee servlet jsp jstl jdbc tomcat build tools maven gradle databases postgresql mysql redis dynamodb redshift testing spring test junit 5 mockito selenium api testcontainers cloud aws frontend css html c developer freelance project summary website exclusive tours 062021112021 created holiday catalog crm automate relevant offers customers home page worked desktop application managers get detailed tour information technologies aspnet mvc 5 orm framework ef ms sql server winforms js jquery bootstrap html css pet projects subscriptions management system application gives opportunity manage users subscriptions sport clubs technologies java 17 spring core boot data web test thymeleaf bootstrap validation liquibase testcontainers postgresql gradle junit education kyiv national university trade economics bachelors degree software engineering 2020present university courses programming basics c oop c java economic english b2 data structures algorithms python database microsoft sql courses udemy spring core boot data web security aop hibernate maven groovy gradle junit mockito bash http servlets jdbc postgresql aws dynamodb order management system basic order management system manager createedit order list goods technologies java 16 java web servlet jsp jstl jdbc postgresql languages english upperintermediate ukrainian russian