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Senior Java Engineer

Poland💼 Full-time🗓 2026-08-10 → 2026-09-25

Core

Design, develop, test, and deploy scalable enterprise-grade Java applications and backend services.

Role type

Senior IC Java Engineer (Backend)

Builds

Scalable Java-based applications, RESTful APIs, and microservices

Domain

Financial services technology

Deliverable

production ML models | product features

Required skills

Core Java (8/11/17), Spring Boot, Spring MVC, Microservices Architecture, RESTful Web Services, Hibernate/JPA, Relational Databases (SQL Server, Oracle, MySQL, PostgreSQL), Git, Maven/Gradle, Unit Testing (JUnit, Mockito), Design Patterns, OOP

Preferred skills

CI/CD pipelines, DevOps practices, Application security, Code reviews

Technologies

Java, Spring Boot, Spring MVC, Hibernate, JPA, SQL Server, Oracle, MySQL, PostgreSQL, Git, Maven, Gradle, JUnit, Mockito

Responsibilities

Design and develop scalable Java applications; Build and maintain RESTful APIs and microservices; Develop backend services using Java and Spring Boot; Collaborate with business analysts and architects; Write clean, maintainable code; Troubleshoot and optimize application performance; Participate in code reviews; Work with CI/CD pipelines; Ensure application security and scalability

Seniority

Senior, hands-on IC

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