Senior Java Engineer
Summary
Senior Java engineer building and modernizing large-scale financial services platforms for investment banking operations: Java/Spring Boot backend development combined with DevOps work on Azure/AKS, Terraform, Helm, and Kafka/RabbitMQ messaging. Hybrid role based in the client's Kraków office.
Type of contract: Employment contract
Salary range: 14600 - 22300 PLN gross
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
Your skills
- 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
Nice to have
- A sense of entrepreneurship
We offer
- Hybrid work in our client's office (Kraków) 3 days a week
- Working in a highly experienced and dedicated team
- Benefit package tailored to your needs (medical, sport, lunch subsidy, life insurance, etc.)
- Online training and certifications
- Access to e-learning platform
- Social events