Senior Java Engineer - Hybrid Backend Specialist

The Capital Markets Company GmbH; Poland; Hybrid; PLN 260,000 - 360,000; Full time

Benefits offered by this job

Hybrid model

Kraków office option

Job summary

Capco Poland is seeking an experienced Senior Java Developer to design, develop, and enhance enterprise-grade applications. You’ll work on Core Java, Spring Boot, Microservices, REST APIs, and database technologies, collaborating with analysts, architects, and teams across the business.

Join a hybrid, B2B project-based engagement and help ensure scalable, secure solutions while following best practices and participating in code reviews and CI/CD pipelines.

Qualifications

• 7+ years of experience in Java application development.
• Strong expertise in Core Java (Java 8/11/17).
• Experience with Spring Boot, Spring MVC, and microservices architecture.
• RESTful Web Services and Hibernate/JPA experience.
• Relational databases such as SQL Server, Oracle, MySQL, or PostgreSQL.
• Proficiency in Git and version control systems.
• Knowledge of Maven/Gradle build tools.
• Experience with unit testing frameworks like JUnit and Mockito.
• Understanding of design patterns and object-oriented programming principles.

Responsibilities

• Design, develop, test, and deploy scalable Java-based applications.
• Build and maintain RESTful APIs and Microservices.
• Develop backend services using Java, Spring Boot, and related frameworks.
• Collaborate with business analysts, architects, and development teams to understand requirements.
• Write clean, maintainable, and efficient code following coding standards.
• Troubleshoot, debug, and optimize application performance.
• Participate in code reviews and ensure high-quality deliverables.
• Work with CI/CD pipelines and DevOps practices for application deployment.
• Ensure application security, reliability, and scalability.

Skills

Java

REST APIs

Microservices

Spring MVC

Java 8/11/17

OOP principles

Education

Tools

Spring Boot

Hibernate/JPA

Git

Maven/Gradle

JUnit/Mockito

Job description

Capco Poland is seeking an experienced Senior Java Developer to design, develop, and enhance enterprise-grade applications. You’ll work on Core Java, Spring Boot, Microservices, REST APIs, and database technologies, collaborating with analysts, architects, and teams across the business.

Join a hybrid, B2B project-based engagement and help ensure scalable, secure solutions while following best practices and participating in code reviews and CI/CD pipelines.