About this role
Type of contract: B2B contract Salary range: 155-205 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 initiatives. The role involves designing and delivering high-performance, real-time data solutions, driving architecture decisions, and collaborating with business and technology stakeholders in a highly regulated environment. Your tasks Design and develop enterprise-grade Java applications and microservices Build high-performance real-time streaming and time-series data platforms Lead architecture and technical design discussions across teams Implement process automation and system modernization initiatives Integrate distributed systems and data platforms using event-driven architectures Collaborate with business stakeholders to translate requirements into scalable solutions Ensure application security, reliability, scalability, and performance Promote AI-assisted software development practices and engineering excellence Support cloud-native deployments and platform optimization on Azure Requirements 15+ years of experience with Java development Strong expertise in Flowable and Spring Boot Experience with ORM frameworks including JPA and iBatis Knowledge of Azure AD, OAuth and application security best practices Hands-on experience with Kafka and event-driven architectures Experience with Cosmos DB, PostgreSQL and Redis Experience designing and developing REST APIs, microservices and distributed systems Strong knowledge of Microsoft Azure, Docker and Kubernetes Experience with Maven, Gradle and modern CI/CD practices Expertise in high-performance, high-throughput real-time data platforms and streaming architectures Strong understanding of Computer Science fundamentals and SDLC Experience with AI-assisted software development Excellent communication skills and ability to translate business requirements into scalable technology solutions Openness to work hybrid from our client's office (Kraków) 3 days a week Nice to have Experience in the Client Lifecycle domain