Platform Engineer- GraphQL/API

Posted Yesterday
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Dublin, IRL
In-Office
Mid level
eCommerce • Retail
The Role
Design, build, and operate scalable GraphQL gateways and federated schemas. Own production API systems, improve performance, reliability, security, automate operations, and write maintainable Java/Spring Boot services.
Summary Generated by Built In

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.

Location: Dublin, Ireland 

Organization: eBay Application Platform – Frameworks Team

We’re looking for a Platform Engineer (API / GraphQL) to join the eBay Frameworks Team within our Application Platform organization.

You’ll help build, operate, and evolve our GraphQL Federation and the platform. Your work will ensure the federation and the APIs are scalable, reliable, and developer-friendly, enabling seamless experiences for eBay’s partners, sellers, and internal teams.

You’ll collaborate closely with teams in San Jose, CA, New York and Shanghai, contributing to a global platform that implements the GraphQL federation at eBay.

If you’re interested in building high-impact API platforms, shaping GraphQL infrastructure, and working on distributed systems that operate at global scale, this role is for you.

What you will accomplish
  • 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.

What you will bring
  • 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.

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 [email protected]. 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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Skills Required

  • 3+ years of software engineering experience
  • Strong Java fundamentals with Spring Boot, OOP, and data structures
  • Understanding of GraphQL concepts (schema stitching/federation, query optimization, 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
  • Experience building or operating GraphQL APIs (schema design, resolvers, federation, gateway architectures)
  • Curiosity, ownership mindset, and passion for building platform capabilities

eBay Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about eBay and has not been reviewed or approved by eBay.

  • Healthcare Strength Medical, dental, and vision coverage begin on the date of hire, complemented by mental health resources, an EAP, disability coverage, FSAs, and wellness initiatives.
  • Leave & Time Off Breadth A robust mix of PTO, paid holidays, flexible work styles, parental leave, and a four‑week paid sabbatical after five years supports work‑life balance.
  • Equity Value & Accessibility Total compensation commonly includes stock components, with access to an employee stock purchase plan at a discount and stock awards enhancing overall packages.

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The Company
HQ: San Jose, CA
26,035 Employees

What We Do

eBay Inc. is a global commerce leader that connects millions of buyers and sellers around the world. We exist to enable economic opportunity for individuals, entrepreneurs, businesses and organizations of all sizes. Our portfolio of brands includes eBay Marketplace and eBay Classifieds Group, operating in 190 markets around the world. We offer sellers the ability to grow a business with little barrier to entry regardless of size, background or geographic location. We never compete with our sellers. We win when our sellers succeed. Buyers who shop on our Marketplace and Classifieds platforms enjoy a highly personalized experience with an unparalleled selection at great value.

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