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Senior Java Developer (Security Platform)

External
Sigmasoftware2 logoSigmasoftware2 · Warsaw, Poland
Full-timeRemote1d ago
ComplianceGCPIAMJavaRoutingService Mesh
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About the role

Design and evolve the platform access architecture for a large-scale distributed ecosystem Build and maintain a unified API layer over multiple distributed services Implement fine-grained ABAC authorization at scale, supporting complex hierarchies and relationships Develop fail-closed security architectures with strict enforcement guarantees Manage regional compliance, data residency, and routing requirements Ensure consistent data visibility rules across all products and services Design high-performance authorization evaluation systems and policy engines Maintain auditability, traceability, and security transparency mechanisms Collaborate with platform and product teams on API and access design Contribute to architectural decisions and security standards At least 5+ years of experience building distributed systems Strong expertise in Java development Experience designing API platforms or API gateways Solid background in security architecture and system design Experience with authorization systems (RBAC/ABAC or similar) Familiarity with cloud-native architectures and scalable, high-availability systems Understanding of multi-tenant architectures Experience operating complex distributed systems in production Strong architectural thinking and problem-solving skills Upper-Intermediate or higher English proficiency WILL BE A PLUS Experience with Identity and Access Management (IAM) systems Experience building API gateways or service mesh architectures Work on security-critical or compliance-heavy systems Knowledge of policy engines (e.g., OPA) Experience with large-scale enterprise platforms Familiarity with cloud providers (e.g., GCP) Experience with data governance, audit, and compliance systems Background in regulated or high-security environments PERSONAL PROFILE Proactive and detail-oriented Thrives in collaborative environments Enjoys solving complex integration challenges Comfortable experimenting with new technologies Committed to improving data systems


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