Java Software Engineer

SOLID.Jobs; Kraków; On-site; PLN 180,000 - 240,000; Full time

Job summary

SOLID.Jobs is seeking an experienced Senior Java Developer to join a team building modern, distributed applications for banking and financial services. The role focuses on scalable microservices, backend with some full-stack elements, and requires strong Java, Spring Boot, and cloud-native tech.

You will design, develop, and maintain Java-based apps and microservices, build REST and gRPC services, and run workloads in Kubernetes.

Qualifications

• 10+ years of professional software development experience.
• Strong commercial experience with Java.
• Excellent knowledge of Spring Boot.
• Experience with microservices architecture.
• Experience with Kubernetes.
• Good knowledge of SQL.
• Experience with Maven.
• Experience in banking or financial services.
• Experience with automated testing (Cucumber).
• Understanding of distributed systems and modern software practices.
• Fluent in English and Polish.

Responsibilities

• Design, develop, and maintain Java-based applications and microservices.
• Build and integrate REST and gRPC services.
• Work with Spring Boot and modern Java technologies.
• Develop and maintain applications running in Kubernetes.
• Work with relational databases, preferably Oracle.
• Participate in automated testing using Cucumber.
• Collaborate with other developers and technical teams to deliver reliable and scalable solutions.
• Contribute to technical design and continuous improvement of the application architecture.
• Troubleshoot and resolve technical issues in a distributed environment.

Skills

Java

Spring Boot

Microservices

Kubernetes

SQL

Maven

Cucumber

Distributed systems

English

Polish

Banking experience

Tools

None

Job description

We are looking for an experienced Senior Java Developer to join a team working on modern, distributed applications within the banking and financial services sector.

You will be involved in developing and maintaining scalable microservices-based solutions, working closely with other developers and technical teams. The role combines backend development with elements of full-stack work and requires strong experience with Java, Spring Boot, and modern cloud-native technologies.

You will

• Design, develop, and maintain Java-based applications and microservices
• Build and integrate REST and gRPC services
• Work with Spring Boot and modern Java technologies
• Develop and maintain applications running in Kubernetes
• Work with relational databases, preferably Oracle
• Participate in automated testing using Cucumber
• Collaborate with other developers and technical teams to deliver reliable and scalable solutions.
• Contribute to technical design and continuous improvement of the application architecture.
• Troubleshoot and resolve technical issues in a distributed environment

Must have

• 10+ years of professional software development experience
• Strong commercial experience with Java
• Very good knowledge of Spring Boot
• Experience with microservices architecture
• Experience with Kubernetes
• Good knowledge of SQL
• Experience with Maven
• Previous experience in banking or financial services
• Experience with automated testing, preferably Cucumber
• Good understanding of distributed systems and modern software development practices
• Fluent in English and Polish

Nice to have

• Experience with Oracle
• Experience with gRPC
• Experience working in large-scale enterprise environments
• Java
• Spring Boot
• REST
• SQL
• Maven
• Polski
• Angielski