Senior Java Developer – Cloud & Microservices

About the role

Join the Client Lifecycle Management, IB Digital Operations team in Krakow to design and build highly scalable cloud applications that support onboarding for clients from over 90 countries. You will work with modern micro‑services architecture, Azure Kubernetes Service and Spring Boot to deliver data‑driven solutions.

Key responsibilities

• Design, develop and maintain distributed micro‑services using Java 11+ and Spring Boot.
• Implement API and event‑driven communication patterns with REST and Kafka.
• Create proofs of concept, application skeletons and CI/CD pipelines to accelerate delivery.
• Participate in design reviews and architecture decisions with peers and stakeholders.

Required profile

• 8+ years of enterprise‑level Java development experience.
• Proven track record delivering large‑scale backend solutions in production.
• Strong understanding of data structures, algorithms, concurrency and transaction management.
• Experience working in Agile teams with excellent communication skills.

Required skills

• Java 11+, Spring Boot, design patterns, SOLID principles.
• Micro‑services architecture, Docker, Kubernetes (AKS), Azure/AWS/GCP.
• Message queues (Kafka), REST API design.
• Relational databases (PostgreSQL, Oracle) and NoSQL (MongoDB, CosmosDB).
• GitLab CI/CD, unit and integration testing.
• Familiarity with AI/LLM tools to support development.

What we offer

• Global relocation options and cross‑cultural experience.
• Annual holiday of 20–26 days, plus parental and maternity leave.
• Access to Luxoft Training Center, cloud academies and leadership programs.
• Private healthcare, dental, life insurance and travel insurance.
• Multisport card, wellbeing seminars, yoga and social events.
• Internal mobility, project rotation and career growth opportunities.