03/18/2026 updated

**** ******** ****
100 % available

Experienced Java / Andromeda Developer

Zaporizhzhia, Ukraine
Worldwide
Zaporizhzhia, Ukraine
Worldwide

Java (Programming Language)JavaScriptApplication Programming Interfaces (APIs)Business LogicBug ManagementConfiguration ManagementException HandlingGradleHibernateJava Persistence APISpring FrameworkApache MavenSwaggerSQL DatabasesTechnical DocumentationWeb ApplicationsOpenapiData/Record LoggingSpring BootBackendGitFront End Software DevelopmentRestful ApiCrudMicroservices
Java Developer with experience in backend development, REST API design, and microservices architecture. I work with Java, Spring Boot, Spring Framework, Hibernate/JPA, SQL, and modern API integration approaches. I have practical experience building scalable backend services, implementing business logic, and developing clean, maintainable code for web applications and internal platforms.
My core strengths include designing and developing RESTful services, creating CRUD functionality, integrating third-party APIs, improving existing backend systems, and writing structured technical documentation. I am also experienced with Swagger / OpenAPI for API documentation, validation, and clear communication between backend and frontend teams.
I work confidently with microservice-based applications, service-to-service communication, DTOs, authentication flows, error handling, logging, configuration management, and performance-oriented backend improvements. I can support refactoring of legacy code, bug fixing, feature implementation, and codebase stabilization.
My technical stack includes Java, Spring Boot, REST APIs, Microservices, Swagger/OpenAPI, JavaScript, SQL, Git, Maven/Gradle, and backend integration patterns. I focus on delivering reliable, readable, and production-ready solutions with clear structure and strong attention to maintainability.
I am comfortable working independently, understanding project requirements quickly, and contributing to ongoing development teams. I can support backend feature delivery, API improvements, integration tasks, and technical problem solving in fast-moving environments.

Experience

Professional experience5 - 10 years
Freelancer since2010

Languages

EnglishNative speaker

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