Upwork home
Sign up
Secondary

Hire the best Core Java Developers in Bulgaria

Check out Core Java Developers in Bulgaria with the skills you need for your next job.
Get started
  • $27 hourly
    • 5.0/5
    • (39 jobs)
    Certified Senior Software Engineer with 5 years of experience in Backend Developement.. Certifications: - Oracle Certified Associate Java Programmer - 75% - Oracle Certified Professional Java Programmer - 80% - VMware Spring Professional Certification Exam - 85% - Oracle Database 19c Administration Level 1 - 65% Courses and Practice tests: - Over 40 hours of educational video courses for Java EE - Over 800 practice tests written for the VMware Spring Professional Certification Exam - 200 practice tests written for Oracle Database 19c Administration Level 1 Exam - 100 practice tests for OCP Java exams Techlogies I feel confident working with: - Java EE - Collections, Streams, Multithreading, JDBC, Servlets, etc. - Spring/Spring Boot - AOP, MVC, Security, REST, etc - Reactive programming - Project Reactor, Spring WebFlux - Hibernate - RDBMS(Oracle DB, MySQL, MSSQL, PostgreSQL) - JUnit, Mockito - Apache Kafka - Docker - Linux - Jenkins
    Featured Skill Core Java
    Oracle Database Administration
    SQL Programming
    Java Persistence API
    Hibernate
    Object-Oriented Programming
    Relational Database
    Spring MVC
    SQL
    Spring Boot
    Data Structures
    Multithreaded Programming
    Java
    Java Collections Framework
  • $80 hourly
    • 5.0/5
    • (18 jobs)
    - High quality software development. Focused on good design and architecture - Java and related technologies - Spring, Spring Boot, Docker - Solid experience with Eclipse RCP (SWT, jFace, EMF, GEF, GMF, BIRT) - Extensive knowledge in document formats and conversion (PDF, doc, docx, xls, xlsx) - Top rated in Upwork with excellent work history - Masters degree in Software Engineering - Sun certified Java developer
    Featured Skill Core Java
    SQL
    Vaadin
    Object-Oriented Programming
    Spring Framework
    HTML5
    Apache POI
    Eclipse IDE
    Java
    JavaScript
  • Want to browse more freelancers?
    Sign up

How hiring on Upwork works

1. Post a job

Tell us what you need. Provide as many details as possible, but don’t worry about getting it perfect.

2. Talent comes to you

Get qualified proposals within 24 hours, and meet the candidates you’re excited about. Hire as soon as you’re ready.

3. Collaborate easily

Use Upwork to chat or video call, share files, and track project progress right from the app.

4. Payment simplified

Receive invoices and make payments through Upwork. Only pay for work you authorize.