Sigma Software ยท Remote
Senior Java Developer (Security Platform)
About this 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.
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