Senior Java Developer (10/978)

INFOLET SP. Z O.O.; Kraków; On-site; PLN 240,000 - 300,000; Full time

Benefits offered by this job

Relocation package

Extended medical care

Multisport Benefit card

Life insurance

Job summary

INFOLET SP. Z O.O. in Kraków seeks an experienced Senior Java Developer to join a team building scalable, distributed applications for banking and financial services. You will design, implement and maintain Java-based microservices, REST and gRPC services, and run them in Kubernetes.

The role blends backend and some full-stack work, requiring deep Java/Spring Boot knowledge, SQL, Maven, and Cucumber testing. Fluent English and Polish are essential; relocation support is provided.

Qualifications

• 10+ years of professional software development experience.
• Strong Java experience with Spring Boot.
• Experience with microservices architecture.
• Experience with Kubernetes.
• Good SQL knowledge and Maven experience.
• Banking or financial services background.
• Automated testing with Cucumber.
• Fluent 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

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 English and Polish

Nice to have

• Experience with Oracle
• Experience with gRPC
• Experience working in large-scale enterprise environments

Our offer

• Relocation package (4500 PLN total value), paid in three installments (1500 PLN per month) in case your permanent presence in the office is mandatory, and you need to relocate from another city
• Extended medical care (over 2000 medical facilities in Poland, 80 in Kraków) for you and your family
• Multisport Benefit card
• life insurance