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Sr Backend Engineer - GraphQL Federation
eBay Inc. —Dublin, County Dublin
- Full-time
- System design
- Java
- JavaScript
1d
Engineering Manager (Data Processing) (Remote - Ireland)
Yelp —Remote
- Full-time
- Remote
- Azure
- Java
- AWS
- Employee stock purchase plan
- Annual leave
2d
Senior Engineer, Applied AI
EXL Service —Dublin, County Dublin
- Full-time
- Hybrid work
- Microsoft Excel
- Azure
- Master's degree
Senior Software Engineer
Vectra —Dublin, County Dublin
- Azure
- Engineering
- AWS
- Life insurance
Quick apply
Senior Software Engineer - Integrations & Partnerships
Phorest —DUBLIN 7, County Dublin
- Remote
- Java
- JavaScript
- Employee assistance program
Quick apply
Senior Backend/Full Stack Software Engineer
VIOTAS Limited —Limerick, County Limerick
- Full-time
- Hybrid work
- DevOps
- AWS
- JavaScript
- Annual leave
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Autodesk —Dublin, County Dublin
- Full-time
- Java
- AWS
- Software development
Senior II Frontend Engineer
Ethyca —Dublin, County Dublin
- Full-time
- JavaScript
- AI
- Communication skills
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Lead Test Engineer (Perm, UK, Remote)
Nearform —Remote
- Full-time
- Remote
- English
- Agile
- Communication skills
- Annual leave
2d
Senior Full Stack Engineer
EXL Service —Dublin, County Dublin
- Full-time
- Hybrid work
- Microsoft Excel
- Azure
- Master's degree
Senior Solutions Engineer
Okta —Dublin, County Dublin
- Sales
- Java
- Presentation skills
3d
Technical Product Manager QVAC - 100% remote
Tether Operations Limited —Dublin, County Dublin
- Full-time
- Remote
- Computer Science
- English
- C++
B2B Sales Consultant - Mid-Market Tech (100% Commission / Remote)
BizExpanders —Remote
- €36,000–€72,000 a year
- Remote
- English
- Contracts
- AI
- Flexitime
- Work from home
Quick apply
4d
Senior Cloud Software Engineer
Analog Devices —Limerick, County Limerick
- Full-time
- Computer Science
- Master's degree
- AWS
Technical Product Manager QVAC (100% remote Worldwide)
Tether Operations Limited —Dublin, County Dublin
- Full-time
- Remote
- Computer Science
- English
- C++
Forward Deployed Solution Engineer – Applied AI FDE
ServiceNow —DUBLIN 2, County Dublin
- Full-time
- Azure
- Salesforce
- DevOps
Quick apply
Senior Product Engineer
Intercom —Dublin, County Dublin
- Hybrid work
- AWS
- JavaScript
- No degree
- Annual leave
- Work from home
Sr Software Engineer - SAP Commerce Cloud
Henry Schein Ireland —Dublin, County Dublin
- Full-time
- Computer Science
- DevOps
- Java
Senior Software Engineer, Database - Demonware - Dublin, IRL
Activision —Dublin, County Dublin
- Analysis skills
- No degree
- Agile
9d
Senior Full Stack Engineer - Team Web
Intercom —Dublin, County Dublin
- Hybrid work
- Computer Science
- AWS
- Bachelor's degree
- Annual leave
- Work from home

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Sr Backend Engineer - GraphQL Federation

eBay Inc. -
Dublin, County Dublin

Apply Now

Job details

Full-time
1 day ago

Qualifications

CI/CD
Node.js
Kubernetes
System design
Java
JavaScript
Distributed systems
REST
GraphQL
Maven
AI
Leadership
Jenkins
Spring framework

Full job description

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.

Location: Dublin, Ireland

Organization: eBay Application Platform – Frameworks Team

The Opportunity

Join the team architecting the future of eBay’s API ecosystem. As a Senior Backend Engineer, you will build, scale, and evolve our global GraphQL Federation platform. You won't just be building subgraphs; you will be shaping the infrastructure that enables hundreds of internal teams and millions of global users to interact with eBay’s data seamlessly.

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

What You Will Accomplish

Architect the Supergraph: Design and implement high-performance federated architectures with platforms such as Apollo Federation and WunderGraph.
Scale Platform Infrastructure: Develop the core tooling and gateways that empower distributed teams to integrate services into a unified, reliable schema.
Optimize Performance: Drive initiatives for query optimization, advanced caching strategies, and efficient schema composition at global scale.
Ensure Resilience: Implement critical security patterns (AuthN/AuthZ), rate limiting, and observability across the federation layer.
Technical Leadership: Act as a domain expert on SOLID principles. Help teams weigh REST versus GraphQL trade-offs and federation standards to deliver a world-class developer experience.

What You Bring

Expertise: 6+ years of backend engineering experience, with a deep focus on GraphQL Federation in production environments.
Technical Stack: Mastery of Java (Spring Boot) and Node.js. You should be comfortable moving between high-performance JVM services and JavaScript environments.
System Design: Proven track record in microservices, distributed systems, and data modeling. You understand the nuances of multithreading and asynchronous processing.
Cloud Native: Hands-on experience with Kubernetes, CI/CD (Jenkins/Maven), and cloud-native deployment patterns.
Outlook: A "Platform-as-a-Product" approach. You prioritize reliability, scalability, and the success of the developers using your platform.

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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