Valentyn B.
Java Middle Developer
Information
Available
Employment
Full-time
Part-time
Expertise
BackEnd
Location
Kharkiv, Ukraine
Work Experience
3+ years
Skills
Spring
Java
Languages
Ukrainian
Native
English
Upper-Intermediate
Portfolio
CV
Download PDFExperienced Java developer with over 3 years of experience developing high quality applications. I have deep knowledge in the field of object-oriented programming, skills in working with popular frameworks and tools. Successfully implemented projects in various fields, including the healthcare sector, e-commerce
Skills:
- Programming languages: Java, SQL, JavaScript
- Frameworks: Spring (Boot, MVC), Hibernate, JUnit
- Databases: PostgreSQL, MySQL
- Tools: Git, Maven, Docker
- Methodologies: Agile (Scrum, Kanban)
- Additional: Experience with RESTful API, knowledge of HTML/CSS basics, working with CI/CD
Experience:
Java Developer at AVADA MEDIA, Ukraine
Operating period: January 2021 – present
- Development and support of multi-tier web applications based on Java EE.
- Implementation of new functionality and optimization of existing code.
- Working with databases (PostgreSQL, MySQL) to provide fast and reliable access to data.
- RESTful API development and integration with external services.
- Using the Spring Framework (Spring Boot, Spring MVC) to build microservices.
- Participation in the full development cycle including requirements analysis, coding, testing and deployment.
- Active participation in Agile/Scrum processes.
Project: CRM system for an online store
- Development of modules for managing client data and applications.
- Optimize application and database performance.
- Participation in the design of the system architecture.
Junior Java Developer - NDA, Ukraine
Operating period: June 2018 – December 2020
- Participation in the development and support of corporate web applications in Java.
- Creating and configuring databases using Hibernate ORM.
- Developing unit tests and integration tests to ensure code quality.
- Teamwork using the Scrum methodology.
Project: Online store
- Participated in backend development in Java using Spring Boot.
- Implemented functionality for managing the product catalog, shopping cart and order system.
- Integration with payment systems and delivery services.
Education:
- Bachelor of Computer Science - Kharkiv Polytechnic Institute (2014 – 2018)
Certificates:
- Oracle Certified Professional, Java SE 11 Developer
- Spring Professional Certification