Любов

Liubov Nastoiashcha
E-mail: [open contact info](look above in the "contact info" section)
Telegram: @LiubovNastoiashcha
LinkedIn: [open contact info](look above in the "contact info" section)
Language: Ukrainian - native. English - intermediate(B1).

Java Backend Developer with 2+ years of commercial experience developing enterprise
applications in warehouse management and clinical research domains.

Experienced in designing and implementing backend business logic, working with
relational databases, REST APIs, scheduled jobs, reporting solutions, and Spring-based
applications.

Participated in the development of a clinical research platform from project inception to
first production release. Passionate about building reliable software, solving business
problems, and continuously improving technical skills.

SKILLS
●​ Java (8-25), SQL
●​ JDBC, Hibernate, JPA, Spring Core, Spring MVC, Spring boot
●​ Postgres, MySQL
●​ REST API, WebSocket, Scheduled Tasks, Multithreading
●​ Apache POI, Apache PDFBox
●​ Maven, Git, Docker, Intellij IDEA
●​ ScheduledExecutorService
●​ Agile, Scrum

WORK EXPERIENCE
Apex Technologies Inc, remote - Software Java developer
February 2024 - Present

Warehouse Management Platform

• Developed backend functionality for warehouse management applications across desktop,
mobile, and web platforms.

• Implemented business processes related to order management, inventory operations,
shipment processing, and user notifications.

• Designed and maintained scheduled jobs for automation of warehouse workflows.

• Generated dynamic PDF and Excel reports using Apache PDFBox and Apache POI.

Clinical Research Management Platform

• Participated in development of a clinical research platform from project inception through
first production release.
• Implemented backend business logic related to patient management, study visits,
encounters, appointments, screening, and recruitment workflows.

• Designed and optimized SQL queries and database interactions using PostgreSQL.

• Collaborated with business analysts and QA engineers to deliver new features and improve
system stability.

NIX Solutions, Kharkiv - fullstack developer
December 2021 - March 2022

Description: Working with Spring Boot, Spring MVC, Spring Core, Hibernate. Creating a
web application using Postgres database for saving data. Using Spring forms, Angular,
React for different frontends.

December 2020 - December 2021
Description: Multiple tasks using Java 11 features. Implementing tasks using different types
of collections and data types.
Creating a web project which works with Postgres database. It makes the work of the
service administrator simpler. With various input data, a schedule of services was compiled.
The code has been covered by unit tests using the Mockito library.

Zmiiv district department of the Main Department of the State of the Migration
Service of Ukraine in the Kharkiv region, Zmiiv– main specialist
February 2015– August 2020

EDUCATION

National Technical University "Kharkiv Polytechnic institute", Kharkiv– specialist
September 2004– February 2010
Engineer-mathematician, specialty "Informatics"