Summary
Overview
Work History
Skills
Timeline
Languages
Generic

Julian Korkosz

Cracow

Summary

Professional Java Developer with comprehensive expertise in software development, Java programming, and system architecture. Proven track record in enhancing team productivity and delivering reliable, efficient solutions. Strong emphasis on collaboration, adaptability, and achieving project goals. Skilled in Java, Spring, Hibernate, and Agile methodologies, with focus on creating impactful, high-quality software.

Overview

6
6
years of professional experience

Work History

Java Developer

MBank S.A
10.2019 - Current

Systems for Stock Trading, Investment Funds, and Other Financial Products.

  • Designed and implemented microservices in Java (Spring Boot, Spring Cloud).
  • Integrated trading systems with stock exchange and settlement platforms.
  • Delivered real-time transaction processing solutions for retail clients.
  • Participated in designing distributed, high-availability, and secure architectures.
  • Automated CI/CD pipelines (Jenkins, GitLab CI).
  • Wrote unit and integration tests (JUnit, Mockito).
  • Improved system performance and carried out code refactoring.
  • Cooperated with business analysts and QA teams.

Skills

  • Programming: Java, Spring, Jakarta EE, MyBatis, Hibernate, SQL
  • Architecture: Microservices (Hexagonal DDD), REST, SOAP, Kafka, Kubernetes, Docker, RabbitMQ
  • Test: JUnit, Mockito, WireMock, TestContainers, Gatling
  • Databases: Oracle, MongoDB, H2
  • Tools: Git, Jenkins, Prometheus, Grafana, Maven/Gradle,
  • Methodologies: Scrum, Agile, TDD, CI/CD

Timeline

Java Developer

MBank S.A
10.2019 - Current

Languages

English - C1

Polish - native

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Julian Korkosz