Design Engineer Jobs

About The Position

Requirements

• 10+ years of experience in the software industry
• Deep expertise in at least one of: Java, Python, or Kotlin
• Strong knowledge of software design principles (SOLID) and design patterns
• Deep expertise in GraphQL schema composition and evolution, including building user-focused APIs, optimizing query performance, and maintaining backward compatibility at scale.
• Proven ability to design and operate GraphQL APIs in large-scale systems, with strong understanding of API architecture (alongside REST/RPC), versioning strategies, and efficient data fetching patterns.
• Expert-level understanding of: Multi-threading and concurrency
• Distributed systems design
• Enterprise-scale architecture
• Demonstrated ability to create clear, consistent, and well-documented service contracts and technical specifications
• Experience driving API design standards, consistency, and governance across teams
• Experience with agentic coding assistants like claude code, cursor or github copilot
• Proven experience building and scaling high-traffic, transaction-heavy systems
• Strong understanding of system performance, availability, and observability

Nice To Haves

• Experience with Federated GraphQL architectures (e.g., Apollo Federation or similar)
• Experience designing and scaling modern frontend systems using TypeScript/JavaScript with frameworks such as React (or similar)
• Experience with microservices and cloud-native architectures
• Background in large-scale platforms or multi-tenant architectures
• Experience with search systems, recommendation engines, pricing systems, or payment flows
• Experience driving technical strategy across multiple team

Responsibilities

• Design and implement scalable, resilient fullstack systems supporting core platform capabilities
• Architect high-traffic, distributed systems across multiple domains
• Lead the design of robust, intuitive, and evolvable APIs and service contracts
• Define and enforce standards for API design, documentation, versioning, observability and governance
• Drive clarity and consistency in technical specifications, ensuring they are precise, consumable, and scalable
• Write high-quality, maintainable, and performant code
• Lead complex technical initiatives end-to-end, from design through production rollout
• Apply SOLID principles and advanced design patterns to ensure clean, extensible architectures
• Design multi-threaded and highly concurrent systems with strong performance guarantees
• Contribute to enterprise architecture decisions and cross-domain technical alignment
• Collaborate with Product, UX, Data, and Business teams to translate requirements into scalable technical solutions

Benefits

• 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, 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.
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