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Registration: 09.11.2025

Darya Huseva

Specialization: Java Backend Developer
— A Java Backend Developer with 1+ years of experience specializing in building secure and reliable applications using Spring Boot, Spring Security, and Hibernate. — My expertise lies in architecting and implementing stateless authentication systems with JWT, token versioning, and Role-Based Access Control (RBAC). — I am focused on developing clean, scalable, and resilient backend architectures.
Java Spring Boot SQL JavaScript Spring Security Spring Data Hibernate Maven gradle MySQL Git GitHub Docker PostgreSQL Scrum REST CI/CD methodologies Integration Testing GitLab HTML OOP CSS
— A Java Backend Developer with 1+ years of experience specializing in building secure and reliable applications using Spring Boot, Spring Security, and Hibernate. — My expertise lies in architecting and implementing stateless authentication systems with JWT, token versioning, and Role-Based Access Control (RBAC). — I am focused on developing clean, scalable, and resilient backend architectures.
Java Spring Boot SQL JavaScript Spring Security Spring Data Hibernate Maven gradle MySQL Git GitHub Docker PostgreSQL Scrum REST CI/CD methodologies Integration Testing GitLab HTML OOP CSS

Skills

Java
SQL
JavaScript
OOP
Spring Boot
Spring Security
Spring Web
Spring Data
Maven
Gradle
MySQL
Hibernate
Git
GitHub
GitLab
Docker
PostgreSQL
CSS
HTML
REST
JWT
Scrum
Clean Architecture
Refresh Token
CI/CD
Integration testing

Work experience

Java Developer
since 09.2024 - Till the present day |Matseboss
Java, Spring Boot, Hibernate, MySQL, Flyway
● Overhauled the application's security by implementing a stateless JWT architecture with Spring Security. I engineered the generation and secure rotation of tokens using RSA with PEM keys, and delivered a logout-all feature through token versioning. ● Developed the REST API for user management using Spring Boot. I implemented endpoints for account blocking and password changes, enforcing security with Role-Based Access Control (RBAC) for all administrative functions. ● Developed the logic for the user limits system (realms) using Hibernate, ensuring data integrity by implementing a transactional service layer. ● Optimized the performance of key endpoints, which reduced API response time by an average of 15% and directly improved the user experience within the application. ● Reduced critical bugs in the authentication module by 30% within 3 months through refactoring legacy code and enhancing Spring Security protocols.

Educational background

Engineer
Vistula University

Languages

PolishUpper IntermediateEnglishIntermediateRussianAdvanced