Senior Java Engineer (AWS / Kafka)

We are working with a leading European provider of e-tendering and procurement systems, widely used across public sector organizations, including European government institutions.

• Minimum 5+ years of professional experience in Java development (latest Java versions preferred)
• Strong understanding of modern software architecture patterns (microservices, event-driven architecture, etc.)
• Hands-on experience with CI/CD tools (GitHub Actions, GitLab CI, Jenkins, CircleCI)
• Experience with containerization and orchestration: Docker, Kubernetes
• Solid knowledge of relational and non-relational databases
• Experience implementing non-functional requirements: security, performance, scalability, resilience
• Experience with Infrastructure as Code tools (Terraform, AWS CDK, Ansible, Puppet, Chef)
• Practical experience with messaging systems (Kafka or similar)
• Strong experience in AWS cloud services (ECS, EKS, Lambda, S3, API Gateway)

• Development of backend services using Java in line with modern engineering standards and best practices
• Integration of heterogeneous data sources (external systems and internal services) into unified data models
• Design and implementation of data processing services, including support for manual data input workflows
• Automation of existing manual and semi-manual business processes
• Collaboration with cross-functional engineering teams to translate designs and prototypes into production-ready solutions
• Analysis and resolution of complex technical issues across distributed systems
• Participation in technical decision-making regarding priorities, risks, and architectural direction
• Maintenance of up-to-date technical documentation, processes, and system specifications
• Involvement across the full SDLC: design, development, deployment, and production support