Senior Java Developer, Security Platform

Sigma Software Group

Senior Java Developer focusing on security architecture within a distributed ecosystem. Collaborating on a unified access layer for complex organizational systems.

Posted 6/24/2026full-timeRemote • 🇵🇱 PolandSeniorWebsite

Tech Stack

Tools & technologies

CloudDistributed SystemsGoogle Cloud PlatformJava

About the role

Key responsibilities & impact

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

Requirements

What you’ll need

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.

Benefits

Comp & perks

🌐 Worldwide ❌ Jobs You've Hidden ⭐️ Saved Jobs ✅ Applied Jobs ✉️ Email Alerts 👤 Account Sigma Software Group Website LinkedIn All Job Openings 1001 - 5000 employees Founded 2002 🎮 Gaming 📡 Telecommunications Software Development
Gaming
Telecommunications Sigma Software Group is a multinational company, established in 2002, that specializes in providing high-quality software development, graphic design, testing, and support services. The company focuses on delivering solutions across various industries such as automotive, telecommunications, aviation, advertising, gaming, banking, real estate, and healthcare. Sigma Software values professional growth, offers remote work opportunities worldwide, and caters to world-renowned clients like AstraZeneca, Scania, and SAS. The company emphasizes a culture of continuous education, mentorship, and flexible work environments, making it a preferred workplace for IT specialists aiming to work on complex solutions utilizing cutting-edge technologies. Sigma Software is committed to innovative solutions and engineering the future while also contributing to social causes such as charitable work in Ukraine. Senior Java Developer, Security Platform 🔥 1 hour ago 🇵🇱 Poland – Remote ⏰ Full Time 🟠 Senior 🔙 Backend Engineer Cloud Distributed Systems Google Cloud Platform Java Apply Now Find Hiring Managers Customize resume + cover letter Report problem ☆ Save ☑️ Mark as applied ❌ Hide 📋 Description
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 🎯 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
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Hard Skills & Tools

JavaAPI designAPI gatewayssecurity architectureauthorization systemsRBACABACcloud-native architecturesmulti-tenant architecturespolicy engines

Soft Skills

architectural thinkingproblem-solvingcollaborationcommunication