Software Engineer I
Resume:
Hanna Kalashnyk
Software Development Engineer
As a Software Engineer with experience in telecom and gamedev industries, I excel in designing solid architecture and delivering great products. I have a strong track record of implementing features, enhancing, and maintaining high-loaded distributed systems. I'm passionate about new challenges and opportunities for growth. USA, WA, 98208
*****.*********@*****.***
Skype:live:51b81b9fa30fcc61
https://www.linkedin.com/in/han
na-kalashnyk-079745123/
https://github.com/Hanna-Kalash
nyk
Experience
Back End Java Developer at GlobalLogic in Kyiv, Ukraine 09.2021 - 09.2023
Numerous features of a largedistributedmicroservice-basedtelecom project have been implemented, improved, tested, debugged, documented, and supported by me. As well as the security part.
● Implemented Rollback and Retry functionality in the app, which improved UX and saved up to 50% of user time at partial success requests.
● Reduced runtime of integration e2e TestNG tests by up to 15% and created a troubleshooting Guide for them.
● Improved team performance by creating & sharing of structured Postman Collection for app endpoints for multimodule Spring & Spring Boot 3.0.0
(Hibernate/JPA) project.
● Mitigated performance degradation after new feature addition from 11% to 2% by updating SQL requests to PostgresDB.
● Improved services’ security: root access was removed from microservices.
● Removed project vulnerabilities by regularly checking & updating libraries. Full Stack Developer at PogodinStudio in Kyiv, Ukraine 10.2019 - 08.2021
● CRM system Developmentas: a RESTful IPA project using Spring MVC pattern, Java, Spring Boot 2.2.0 + Maven, Vaadin (14.1.5), Hibernate, JPA.
● PostgreSQL as a Database
● Implemented reviewing/sorting/filtering the user info utilizing SQL queries
● Implemented different security levels for different users( Spring Security Core and Ilay(authentication framework for Vaadin)
● Covered with Unit and integrated tests
● Deployed Application on the AWS using EC2, S3, and Docker. Unity 3D Developer at SoftSlot company, USA (remote ) 05.2018 - 09.2019
● Created new scenes-slots for the game collector project.
● Designed and developed features and game logic through Java and C# code.
● Built Unity Objects with components and interactions.
● Developed particle effects in Unity3D: design and adjustment.
● Found/fixed bugs in a logical structure.
Webmaster, Web Designer, UX/UI at Freelance,Kyiv
05.2015 - 09.2018
● User flow development, prototyping, and visualization of UI parts.
● Graphic support and providing developers with app making guides.
● Business website developing & maintaining using HTML, CSS, Java.
● SMM business support & SEO promoting for certain targets. Skills
* Java
* Spring/Spring Boot
* Hibernate/JPA
* Kubernetes, Helm
* RESTful API
* Spring MVC
* PostgreSQL
* Mockito/Junit4/Junit5
* Maven/Gradle/Ant
* Git
* Kabana & Prometheus
* Grafana
* RabbitMQ/Kafka
* SOAP
* JSP
* JSON, XML
* AWS
*VR/AR
* HTML, CSS
*Jboss
*TCP/IP, TLS/SSL
* Unity
*TDD
* CI/CD & Jenkins
* Agile Scrum/Kanban
Education
1997 - 2001 Bachelor of Science,
NTUU "KPI", Kyiv, Ukraine
2001 - 2003 Master of Science in
Physics, NTUU "KPI", Kyiv, Ukraine
2017 - Associated
UX FUNDAMENTALS-Gymnasium
Credential ID 10706193
Languages
English
Russian
Ukrainian
French
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