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Senior Java Developer, Security Platform
Location
Poland
Posted
1 day ago
Salary
0
Seniority
Senior
Job Description
Senior Java Developer, Security Platform
Sigma Software Group
• 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
Job Requirements
- 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
- Experience with Identity and Access Management (IAM) systems will be a plus
- Experience building API gateways or service mesh architectures will be a plus
- Work on security-critical or compliance-heavy systems will be a plus
- Knowledge of policy engines (e.g., OPA) will be a plus
- Experience with large-scale enterprise platforms will be a plus
- Familiarity with cloud providers (e.g., GCP) will be a plus
- Experience with data governance, audit, and compliance systems will be a plus
- Background in regulated or high-security environments will be a plus.
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