Expert Java Engineer

RITS is hiring for a global team focused on building and evolving mission-critical financial systems. The role is based in Kraków, Poland, with a hybrid work model requiring 6–8 office visits per month and travel/accommodation costs covered for candidates outside Kraków.

• 5+ years of professional software engineering experience.
• Strong hands-on experience with Java.
• Solid experience with REST APIs and microservices architecture.
• Experience with messaging systems (RabbitMQ or similar).
• Strong SQL database knowledge.
• Hands-on experience with Kubernetes.
• Experience working with cloud platforms, preferably GCP.
• Knowledge of NoSQL databases and distributed systems.
• Experience with CI/CD pipelines and Agile methodologies.
• Strong understanding of scalability, performance, and high-availability architectures.
• Experience in banking or capital markets domain, preferably related to trade lifecycle, post-trade processing, or FX products.

Nice to have:

• Experience with Go or Rust.
• Experience with ClickHouse or other analytical databases.
• Front-end development experience.
• Knowledge of API governance.
• Experience with large-scale data processing environments.

• Design and develop scalable microservices and REST APIs.
• Build high-performance, highly available back-end applications.
• Develop and operate cloud-native solutions on Kubernetes and GCP.
• Contribute to architecture decisions and technical roadmaps.
• Optimize databases, integrations, and distributed systems.
• Drive engineering best practices across CI/CD, security, and software quality.
• Collaborate closely with business stakeholders and global engineering teams.
• Mentor developers and support technical delivery.

The position requires presence in Kraków with hybrid work. Travel and accommodation expenses are covered for candidates willing to commute. Data processing is managed by Relyon IT Services with rights described under Polish personal data protection law.