Platform Engineer- GraphQL/API

eBay; Dublin; On-site; EUR 60,000 - 80,000; Full time

Job summary

eBay is seeking a Platform Engineer (API / GraphQL) to join the Frameworks Team within the Application Platform organization in Dublin, Ireland. The role involves designing and building scalable GraphQL services, ensuring system performance and reliability while writing clean Java code using Spring Boot.

The ideal candidate will have 3+ years of software engineering experience and a strong understanding of GraphQL and API design. Join us to enhance developer experience and work on impactful platform capabilities.

Qualifications

• 3+ years of software engineering experience.
• Strong understanding of GraphQL concepts is a plus.
• Knowledge in cloud-native deployments is preferred.

Responsibilities

• Design and build scalable GraphQL services.
• Develop and operate GraphQL infrastructure.
• Improve system performance and reliability.
• Write maintainable Java code.

Skills

Java fundamentals with Spring Boot

GraphQL concepts (schema stitching/federation)

API design (GraphQL and RESTful services)

CI/CD pipelines (Maven, Jenkins)

Kubernetes knowledge

Developer experience

Job description

We’re looking for a Platform Engineer (API / GraphQL) to join the eBay Frameworks Team within our Application Platform organization. Your responsibilities will include building, operating, and evolving our GraphQL Federation and the platform, ensuring scalability, reliability, and developer friendliness for partners, sellers, and internal teams.

Responsibilities

• Design and build scalable, highly available services, including GraphQL gateways and federated schemas
• Develop and operate GraphQL platform infrastructure, enabling teams to efficiently expose and consume data
• Own production systems end-to-end: monitor, troubleshoot, and resolve API and notification issues
• Improve GraphQL performance and reliability through query registration, optimization, caching, and observability
• Keep platforms secure and up to date with dependency upgrades and vulnerability remediation
• Automate operational workflows to reduce toil and improve system reliability
• Write clean, maintainable Java code using Spring Boot and strong design principles
• Partner with product and engineering teams to deliver scalable API

Qualifications

• 3+ years of software engineering experience
• Strong Java fundamentals with Spring Boot, OOP, and data structures
• Understanding of GraphQL concepts such as schema stitching/federation, query optimization, and caching strategies
• Experience with API design, including GraphQL and RESTful services
• Experience with CI/CD pipelines (e.g., Maven, Jenkins)
• Knowledge of Kubernetes and cloud‑native deployments
• Strong focus on reliability, scalability, and developer experience
• Curiosity, ownership mindset, and passion for building platform capabilities used across large organizations
• Experience in building or operating GraphQL APIs (e.g., schema design, resolvers, federation, or gateway architectures) is nice to have.

Location: Dublin, Ireland

Organization: eBay Application Platform – Frameworks Team

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, disability, or any 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.