Senior Java Consultant

Kraków, PL

About the role

Type of contract: B2B contract

Salary range: 125 - 160 PLN/H

What will you do?

You will work on large-scale financial services platforms supporting investment banking operations, focusing on digital transformation, process automation, data integration, and application modernization. The role combines backend development and DevOps responsibilities, with a strong focus on cloud-native technologies, high-performance messaging systems, and scalable enterprise solutions deployed in a highly regulated environment.

Your tasks

Design and develop Java-based applications and services
Implement and maintain cloud-native solutions on Azure and AKS
Build and manage infrastructure using Terraform and Helm
Develop and optimize messaging solutions using Kafka and RabbitMQ
Enhance application security using Spring Security
Deploy and maintain containerized applications
Optimize system performance, scalability, and reliability
Collaborate with cross-functional teams on architecture and delivery
Work with SQL and PostgreSQL databases
Support application modernization and automation initiatives

Requiremnts

5-10 years of professional experience in software development with a strong focus on Java-based applications
Hands-on experience with Java, Spring Boot, and Spring Security
Experience in DevOps practices and cloud-native application development
Practical knowledge of Azure, Azure Kubernetes Service (AKS), Terraform, and Helm
Experience with containerization technologies and deploying applications in Kubernetes environments
Experience working with messaging platforms such as RabbitMQ and Kafka
Experience building and maintaining high-performance messaging applications
Proficiency in SQL and PostgreSQL
Experience working with distributed caching and data grid technologies such as Apache Ignite and Hazelcast
Strong performance tuning and optimization skills
Openness to work hybrid from our client's office (Kraków) 3 days a week

Nice to have

A sense of entrepreneurship