Find Stack developer Jobs in Blanchardstown, D

Sr Backend Engineer - GraphQL Federation
eBay Inc. —Dublin, County Dublin
- Full-time
- System design
- Java
- JavaScript
4d
Senior Software Engineer
Vectra —Dublin, County Dublin
- Azure
- Engineering
- AWS
- Life insurance
Quick apply
Senior Solutions Engineer
Okta —Dublin, County Dublin
- Sales
- Java
- Presentation skills
5d
AI & Data - AI Lab: AI Engineer - Agentic & Generative Intelligence - Senior/Assistant Manager
EY —DUBLIN 2, County Dublin
- Hybrid work
- Azure
- Master's degree
- AWS
- Gym membership
4d
Sr Pre-Sales Solution Engineer (French speaking)
Klaviyo —Dublin, County Dublin
- €80,000–€120,000 a year
- Sales
- English
- SQL
Quick apply
Senior II Backend Engineer
Ethyca —Dublin, County Dublin
- Full-time
- Azure
- System design
- AWS
Quick apply
Senior Platform Engineer
Sitecore —Dublin, County Dublin
- Full-time
- Azure
- AWS
- Mentoring
Senior UI Developer
Citi —Dublin, County Dublin
- €93,280 a year
- Full-time
- Hybrid work
- DevOps
- Java
- Master's degree
13h
Senior Release Manager
Uniphar PLC —DUBLIN 24, County Dublin
- Full-time
- Azure
- Oracle
- DevOps
Quick apply
16h
Forward Deployed Engineer III, Generative AI, Google Cloud
Google —Dublin, County Dublin
- €122,000–€126,000 a year
- Full-time
- Microsoft Excel
- Doctoral degree
- Computer Science
14h
Senior Release Manager
Uniphar PLC —Rathcoole, County Dublin
- Full-time
- Azure
- Oracle
- DevOps
Quick apply
16h
Technical Solutions Engineer II, Infrastructure, Serverless, Google Cloud
Google —Dublin, County Dublin
- €68,000–€70,000 a year
- Full-time
- Sales
- DevOps
- Engineering
14h

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Sr Backend Engineer - GraphQL Federation

eBay Inc. -
Dublin, County Dublin

Apply Now

Job details

Full-time
4 days 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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stack developer jobs in blanchardstown, d

Sr Backend Engineer - GraphQL Federation

Senior Software Engineer

Senior Solutions Engineer

AI & Data - AI Lab: AI Engineer - Agentic & Generative Intelligence - Senior/Assistant Manager

Sr Pre-Sales Solution Engineer (French speaking)

Senior II Backend Engineer

Senior Platform Engineer

Senior UI Developer

Senior Release Manager

Forward Deployed Engineer III, Generative AI, Google Cloud

Senior Release Manager

Technical Solutions Engineer II, Infrastructure, Serverless, Google Cloud

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