Distributed Systems Eng - Cloud Security

eBay; Dublin; On-site; EUR 110,000 - 140,000; Full time

Job summary

eBay in Dublin is seeking a Software Engineer – Distributed Systems to help design and build cloud-scale identity and access platforms. You will work on directory services, authorization, and policy engines, applying an AI-first approach to accelerate development and improve reliability.

You’ll join a team delivering scalable services across geographies, collaborating with Security, Platform, and Infra teams while growing your expertise in cloud-native tech and large-scale systems.

Qualifications

• Bachelor’s or Master’s degree in Computer Science, Engineering, or equivalent practical experience.
• 3+ years of experience developing backend or distributed systems.
• Experience building applications or microservices using Java, Go, Python, or similar languages.
• Solid understanding of distributed systems, networking, operating systems, data structures, and algorithms.
• Experience with SQL, NoSQL, or other data storage technologies.
• Familiarity with cloud-native development, Kubernetes, containers, or modern cloud platforms.
• Basic understanding of identity and authorization concepts (RBAC, ABAC, IAM, LDAP).
• Experience using AI-powered engineering tools to improve software development and productivity.
• Strong problem-solving, communication, and collaboration skills.

Responsibilities

• Develop cloud-scale directory services that manage identities and relationships across the platform.
• Build scalable APIs, microservices, and authorization services for secure, low-latency decisions.
• Contribute to policy engines supporting RBAC, ABAC, and PBAC models.
• Write high-quality, tested code using CI/CD and observability practices.
• Leverage AI-assisted development tools to improve coding, testing, and productivity.
• Troubleshoot production issues, identify root causes, and improve reliability.
• Collaborate with Identity, Platform, Security, and Infrastructure teams to deliver secure solutions.
• Identify opportunities to automate tasks and improve developer productivity through responsible AI.

Skills

Distributed systems

Backend development

Java

Go

Python

Cloud-native

Kubernetes

CI/CD

Education

Bachelor’s or Master’s in Computer Science or equivalent

Tools

Prometheus

Grafana

OpenTelemetry

Job description

At eBay, we're more than a global ecommerce leader — we’re changing the way the world shops and sells. Our platform empowers millions of buyers and sellers in more than 190 markets around the world. We’re committed to pushing boundaries and leaving our mark as we reinvent the future of ecommerce for enthusiasts.

Our customers are our compass, authenticity thrives, bold ideas are welcome, and everyone can bring their unique selves to work — every day. We're in this together, sustaining the future of our customers, our company, and our planet.

Join a team of passionate thinkers, innovators, and dreamers — and help us connect people and build communities to create economic opportunity for all.

About The Team And Role

eBay’s Cloud Security Engineering team is building the next generation of identity and access platforms that secure one of the world’s largest commerce ecosystems.

Our distributed systems power millions of users, services, and transactions every day and are foundational to eBay’s trust, security, and reliability. As a Software Engineer – Distributed Systems, you’ll help design and build cloud-scale directory services, authorization platforms, and policy engines that enable secure, real-time access decisions across human and non-human identities.

We’re looking for engineers with a strong foundation in distributed systems and a passion for learning. You embrace an AI-first engineering mindset, using AI to accelerate development, improve software quality, automate repetitive tasks, and continuously enhance your engineering skills. Working alongside experienced engineers, you’ll help modernize identity platforms while growing your expertise in cloud-native technologies and large-scale distributed systems.

What You’ll Accomplish

• Develop and enhance cloud-scale directory services that manage identities, entitlements, and relationships across eBay’s global platform.
• Build scalable APIs, microservices, and authorization services that enable secure, low-latency access decisions.
• Contribute to policy engines supporting fine-grained authorization models such as RBAC, ABAC, and PBAC.
• Write high-quality, well‑tested, production‑ready code using modern software engineering practices, including CI/CD and observability.
• Leverage AI‑assisted development tools throughout the software development lifecycle to improve coding, testing, debugging, documentation, and productivity.
• Participate in troubleshooting production issues, identifying root causes, and improving service reliability.
• Collaborate with Identity, Platform, Security, and Infrastructure teams to deliver secure, scalable solutions.
• Continuously identify opportunities to automate engineering tasks and improve developer productivity through responsible AI adoption.

What You’ll Bring

• Bachelor’s or Master’s degree in Computer Science, Engineering, or equivalent practical experience.
• 3+ years of experience developing backend or distributed systems.
• Experience building applications or microservices using Java, Go, Python, or similar programming languages.
• Solid understanding of computer science fundamentals, including distributed systems, networking, operating systems, data structures, and algorithms.
• Experience with SQL, NoSQL, or other modern data storage technologies.
• Familiarity with cloud‑native development, Kubernetes, containers, or modern cloud platforms.
• Basic understanding of identity and authorization concepts such as RBAC, ABAC, IAM, LDAP, or policy‑based access control.
• Experience using AI‑powered engineering tools to improve software development, testing, documentation, debugging, and overall engineering productivity.
• Strong problem‑solving, communication, and collaboration skills with a desire to continuously learn and grow.

Nice to Have

• Experience with Kubernetes and container orchestration.
• Familiarity with service meshes (Istio, Envoy) or cloud‑native networking.
• Exposure to policy engines such as OPA or Cedar.
• Experience with observability tools such as Prometheus, Grafana, or OpenTelemetry.
• Knowledge of cloud security, Zero Trust, or identity platforms.

What We’re Looking For

You’re an engineer who enjoys solving complex technical problems, learning new technologies, and building reliable software that operates at scale. You embrace AI as an essential part of modern software engineering—using it to improve productivity, automate routine tasks, strengthen code quality, and accelerate learning. You take ownership of your work, collaborate effectively with your teammates, and continuously seek opportunities to improve both yourself and the systems you build.

Additional Details

eBay is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, sex, sexual orientation, gender identity, veteran status, and disability, or other legally protected status. If you have a need that requires accommodation, please contact us at [e-mail]. We will make every effort to respond to your request for accommodation as soon as possible. View our accessibility statement to learn more about eBay's commitment to ensuring digital accessibility for people with disabilities.

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