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Oleg G.
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Oleg G.

Full-Stack Developer | Backend Developer

I am a seasoned software developer with over 10 years of experience specializing in Backend and Full-Stack development. I pride myself on my excellent problem-solving skills and have a strong passion for writing clean and testable code. Clear communication is one of my strengths, making me a valuable team member in any software development project. Preferred Tech Stack: Backend: Java, Spring Boot, Thymeleaf, REST API, PostgreSQL, AWS, Linux, Tomcat, Nginx Frontend (Web): HTML, CSS, Sass, Javascript Frontend (Mobile): Flutter, Dart Cross-Platform: Flutter, Dart I am also proficient in the following technologies: Languages: Java, Scala, Groovy, Kotlin, Golang, JavaScript, TypeScript, Python, Dart, SQL Databases: PostgreSQL, MySQL, Oracle, Cassandra, MongoDB, SQLite, Neo4j Frameworks (Backend): Spring Boot, Spring Security, OpenAPI, Kafka, Zookeeper, Grails Frameworks (Frontend): Angular, React, Flutter, jQuery, Bootstrap Security: Spring Security, OAuth, JWT Technologies: HTML, CSS, JSON, XML, REST API API: REST API, OpenAPI, Swagger Messaging: Kafka, ActiveMQ, RabbitMQ Search: ElasticSearch, Lucene, Kibana Logging: ElasticSearch, Logstash, Kibana Cloud Providers: AWS, Google Cloud Testing: JUnit, Mockito, TestNG, Selenium, Cucumber, Katalon Studio Development Tools: Intellij IDEA, VSCode, Android Studio

🇺🇦Kiev, Ukraine$10/hr100% JSS4.90 (26)Since Sep 2008

Earnings and projects

MRR
$0

Last 6 months ÷ 6

World#22,511 / 412k
🇺🇦Country#1,684 / 14.3k
Revenue, last 30 days
$0
Total earnings
$155k

Billed in all: $169k

World#22,511 / 412k
🇺🇦Country#1,684 / 14.3k
Per project
$5.2k
Projects, last 6 months
0
World#209,850 / 412k
🇺🇦Country#7,324 / 14.3k
Projects in all
30

Across 33 contracts

24% fixed76% hourly
World#97,486 / 412k
🇺🇦Country#4,267 / 14.3k

Earnings, last 30 days

$169kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$166k$168k$170k$172kOct 8Oct 23Nov 7

Skills