Senior Java Backend Engineer | Spring Boot | Cloud | Kubernetes
Aktualisiert am 12.04.2026
Profil
Freiberufler / Selbstständiger
Remote-Arbeit
Verfügbar ab: 26.04.2026
Verfügbar zu: 60%
davon vor Ort: 60%
Java
Spring Boot
Kubernetes
Spring Core
Spring DI
Spring MVC
REST
CI/CD
Linux
English
fluent
German
A2 (actively improving)
Ukrainian
Muttersprache
Russian
Muttersprache
Polish
intermediate

Einsatzorte

Einsatzorte

Essen, Ruhr (+50km)
möglich

Projekte

Projekte

10 Jahre 3 Monate
2016-01 - heute

Design, development, implementation and support

Senior Java Software Engineer Java Spring (Core/MVC/Boot/JDBC) JUnit ...
Senior Java Software Engineer

  • Long-term development and maintenance of business-critical security and smart-home platforms used in production
  • Led Java platform migrations (Java 6 ? 11 ? 17/21), ensuring backward compatibility
  • Migration from monolithic architecture to Spring Boot?based microservices
  • Design and implementation of REST APIs
  • Focus on stability, reliability, and long-term maintainability
  • CI/CD pipelines using Docker and Kubernetes for deployment and automation.

Java Spring (Core/MVC/Boot/JDBC) JUnit Mockito Powermock Testcontainers Gradle MySQL Docker Kubernetes Bitbucket Pipelines GitHub Actions
Securenet Technologies
Lehi, UT USA
3 Jahre
2013-02 - 2016-01

Design, development, implementation and support of software for enterprisesusing technologies

Software Engineer Java Core JavaEE (Servlets JSP) ...
Software Engineer
  • Java backend development in enterprise projects
  • Worked with Spring, Hibernate, SQL databases
  • Experience in international client environments
Java Core JavaEE (Servlets JSP) Spring MVC/REST/JdbcTemplate JavaScript Backbone.js Underscore.js JQuery Ajax TwitterBootstrap HTML CSS MS SQL MySQL PostgreSQL.Python Shell Script
SoftServe
Lviv Ukraine
2 Jahre 11 Monate
2013-02 - 2015-12

Design, development, implementation and support of CRM Applications for businesses

Java Software Engineer
Java Software Engineer

? Java backend development in enterprise projects

? Worked with Spring, Hibernate, SQL databases

? Experience in international client environments

SoftServe
Lviv Ukraine
4 Jahre 11 Monate
2008-03 - 2013-01

Design, development, implementation and support of software for enterprises

Software Developer JavaEE (Servlets JSP JMS) ...
Software Developer


JavaEE (Servlets JSP JMS) JavaScript JQuery Ajax HTML CSS MySQL
5 Jahre 8 Monate
2006-10 - 2012-05

Development of enterprise applications

Software Engineer
Software Engineer
  • Development of enterprise applications
  • Participation in full software development lifecycle
IT Pipe
Lviv Ukraine

Aus- und Weiterbildung

Aus- und Weiterbildung

3 Jahre 11 Monate
1996-09 - 2000-07

Finance, statistics, economy

Master of Economics, West Ukrainian National University, Ternopil Ukraine
Master of Economics
West Ukrainian National University, Ternopil Ukraine
1 Jahr 11 Monate
1994-09 - 1996-07

Finance, statistics, economy

Banking College, Lviv Ukraine
Banking College, Lviv Ukraine

Position

Position

  • Java / Web UI Developer

Kompetenzen

Kompetenzen

Top-Skills

Java Spring Boot Kubernetes Spring Core Spring DI Spring MVC REST CI/CD Linux

Produkte / Standards / Erfahrungen / Methoden

Java
Spring Core
Spring
MVC
Spring Boot
Spring JDBC
REST APIs
MySQL
PostgreSQL
Docker
Kubernetes

Profile

Senior Java Software Engineer with 18+ years of experience in designing, developing, and maintaining business-critical systems. Strong background in long-term system ownership, Java platform migration (Java 6?21), Spring-based backends, and production stability in international environments.


Core Technologies

  • Java (6?21), Spring Boot, Spring MVC, Spring JDBC, REST
  • SQL (MySQL, PostgreSQL)
  • Redis (caching, pub/sub messaging)
  • Docker, Kubernetes
  • CI/CD (Bitbucket Pipelines, GitHub Actions)
  • Linux

Einsatzorte

Einsatzorte

Essen, Ruhr (+50km)
möglich

Projekte

Projekte

10 Jahre 3 Monate
2016-01 - heute

Design, development, implementation and support

Senior Java Software Engineer Java Spring (Core/MVC/Boot/JDBC) JUnit ...
Senior Java Software Engineer

  • Long-term development and maintenance of business-critical security and smart-home platforms used in production
  • Led Java platform migrations (Java 6 ? 11 ? 17/21), ensuring backward compatibility
  • Migration from monolithic architecture to Spring Boot?based microservices
  • Design and implementation of REST APIs
  • Focus on stability, reliability, and long-term maintainability
  • CI/CD pipelines using Docker and Kubernetes for deployment and automation.

Java Spring (Core/MVC/Boot/JDBC) JUnit Mockito Powermock Testcontainers Gradle MySQL Docker Kubernetes Bitbucket Pipelines GitHub Actions
Securenet Technologies
Lehi, UT USA
3 Jahre
2013-02 - 2016-01

Design, development, implementation and support of software for enterprisesusing technologies

Software Engineer Java Core JavaEE (Servlets JSP) ...
Software Engineer
  • Java backend development in enterprise projects
  • Worked with Spring, Hibernate, SQL databases
  • Experience in international client environments
Java Core JavaEE (Servlets JSP) Spring MVC/REST/JdbcTemplate JavaScript Backbone.js Underscore.js JQuery Ajax TwitterBootstrap HTML CSS MS SQL MySQL PostgreSQL.Python Shell Script
SoftServe
Lviv Ukraine
2 Jahre 11 Monate
2013-02 - 2015-12

Design, development, implementation and support of CRM Applications for businesses

Java Software Engineer
Java Software Engineer

? Java backend development in enterprise projects

? Worked with Spring, Hibernate, SQL databases

? Experience in international client environments

SoftServe
Lviv Ukraine
4 Jahre 11 Monate
2008-03 - 2013-01

Design, development, implementation and support of software for enterprises

Software Developer JavaEE (Servlets JSP JMS) ...
Software Developer


JavaEE (Servlets JSP JMS) JavaScript JQuery Ajax HTML CSS MySQL
5 Jahre 8 Monate
2006-10 - 2012-05

Development of enterprise applications

Software Engineer
Software Engineer
  • Development of enterprise applications
  • Participation in full software development lifecycle
IT Pipe
Lviv Ukraine

Aus- und Weiterbildung

Aus- und Weiterbildung

3 Jahre 11 Monate
1996-09 - 2000-07

Finance, statistics, economy

Master of Economics, West Ukrainian National University, Ternopil Ukraine
Master of Economics
West Ukrainian National University, Ternopil Ukraine
1 Jahr 11 Monate
1994-09 - 1996-07

Finance, statistics, economy

Banking College, Lviv Ukraine
Banking College, Lviv Ukraine

Position

Position

  • Java / Web UI Developer

Kompetenzen

Kompetenzen

Top-Skills

Java Spring Boot Kubernetes Spring Core Spring DI Spring MVC REST CI/CD Linux

Produkte / Standards / Erfahrungen / Methoden

Java
Spring Core
Spring
MVC
Spring Boot
Spring JDBC
REST APIs
MySQL
PostgreSQL
Docker
Kubernetes

Profile

Senior Java Software Engineer with 18+ years of experience in designing, developing, and maintaining business-critical systems. Strong background in long-term system ownership, Java platform migration (Java 6?21), Spring-based backends, and production stability in international environments.


Core Technologies

  • Java (6?21), Spring Boot, Spring MVC, Spring JDBC, REST
  • SQL (MySQL, PostgreSQL)
  • Redis (caching, pub/sub messaging)
  • Docker, Kubernetes
  • CI/CD (Bitbucket Pipelines, GitHub Actions)
  • Linux

Vertrauen Sie auf Randstad

Im Bereich Freelancing
Im Bereich Arbeitnehmerüberlassung / Personalvermittlung

Fragen?

Rufen Sie uns an +49 89 500316-300 oder schreiben Sie uns:

Das Freelancer-Portal

Direktester geht's nicht! Ganz einfach Freelancer finden und direkt Kontakt aufnehmen.