Senior Java Engineer

The Capital Markets Company GmbH; Poland; On-site; 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

*We are looking for Poland based candidate.

AtCapco Poland,we’re not just another consultancy - we’re the spark behind digital transformation in the financial world. As a global leader in technology and management consulting, we thrive on helping clients tackle the toughest challenges across banking, payments, capital markets, wealth, and asset management.

Role Overview

We are seeking an experienced Senior Java Developer to provide specialist software development services focused on designing, developing, and enhancing enterprise‑grade applications. The ideal candidate should have hands‑on experience in Core Java, Spring Boot, Microservices, REST APIs, and database technologies, along with a solid understanding of software development best practices.

Scope of Services

• 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.

Required Skills

• 7+ years of experience in Java application development.
• Strong expertise in:
  • Core Java (Java 8/11/17)
  • Spring Boot
  • Spring MVC
  • Microservices Architecture
  • RESTful Web Services
  • Hibernate/JPA
• Experience with 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.

We offer a flexible collaboration model based on a B2B contract, with the opportunity to work on diverse projects.

B2B cooperation in a hybrid model, with the option to provide services from the Kraków office to the extent agreed based on project needs.

Recruitment Process:

• HR Interview with the recruiter
• Technical Interview
• Client Interview
• Feedback and offer

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