Location: 100% remote work Salary: 170 – 190 PLN net/h (B2B)Experience Required: 10+ yearsResponsibilities:• Conduct in-depth system, process, and technical analysis to design end-to-end integration solutions using Java.• Design and implement Event-Driven Architectures (EDA) for real-time data exchange.• Integrate enterprise systems using IBM MQ, REST/SOAP APIs, z/OS Connect, and Microservices.• Collaborate effectively with cross-functional teams in Agile/Scrum environments.• Support digital migration and modernization initiatives, including legacy-to-cloud transformation.Mandatory Requirements:• Deep functional expertise in Securities, Settlement, and Post-Trade Operations.• Strong understanding of Corporate Actions, Clearing, and Reference/Static Data Management.• Hands-on experience with enterprise system integration using IBM MQ, REST/SOAP APIs, z/OS Connect, and Microservices.• Proficiency in Event-Driven Architecture design and implementation.• Skilled in technical analysis and integration solution design using Java.Strongly Desirable:• Expertise in batch and file-based data pipeline integration.• Familiarity with API Gateways, Message Brokers, and Service Orchestration Frameworks.• Working knowledge of Google Cloud Platform (GCP), Buckets, SpannerDB, and Apigee.• Experience in digital transformation projects.• Understanding of integration best practices, security protocols, and governance frameworks.• Proven ability to deliver resilient, scalable, and secure solutions in financial environments.Nice to Have:• Knowledge of German for global collaboration.• Exposure to DevOps, CI/CD pipelines, and containerized deployments (Docker, Kubernetes).Our offer:• MultiSport Plus• Group insurance• Medicover Premium• e-learning platform