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eBay

Senior Backend Engineer (Java)

eBay
Canada · Contract · Mid-Senior

Senior Backend engineer

Toronto, Canada. (Hybrid)

We are seeking a strong individual contributor backend engineer with hands-on experience architecting and building large scale distributed web applications. You should be able to own the end-end architecture from front end to back end systems and guide the team on core technical design.

Responsibilities

  • Collaborate closely with peers, Architects, Product Managers, Business Analysts, Quality Engineers, and Operations teams to develop innovative solutions that meet functional and non-functional standards and expectations.
  • Be involved in development, testing, release, triage, bug fix, documentation and work in an Agile environment. Use of tools like JIRA, Git, CI/CD and other internal eBay tools on a regular basis to organize work and deliver features.
  • Evaluate and define storage needs and make technology recommendations, define domain services and interface definitions and testing architecture.
  • Design and build high-performing, reliable solutions for high-throughput, distributed systems using a variety of third-party and eBay internal libraries and frameworks
  • Participate in technical design, code reviews, and provide feedback to other engineers on the team.
  • Estimate engineering efforts, roadmap planning and be responsible for operational processes, such as automation and controls, to help with efficiency and quality of both manual and technical operations.

Requirements

  • Bachelor’s degree in computer science or related field plus 7+ years of experience in Java in building large-scale web based distributed systems.
  • Thorough understanding in computer science fundamentals, data structures and algorithms and extensive experience in building highly available, scalable and robust applications.
  • Excellent object oriented design and coding skills in Java or other OO languages, hands-on experience using unit/integration test frameworks like Karate to build fully automated software applications
  • Solid understanding of relational and NoSQL databases, data storage/access patterns, caching techniques, messaging systems and asynchronous workflows
  • Experience with bug triaging and debugging techniques, logging and monitoring systems, application and query performance tuning
  • Good understanding of web services and SOA related standards like REST/OAuth/JSON
  • Familiarity with front end technologies and patterns is desirable
  • Excellent verbal and written communication skills

Key Skills

Ranked by relevance

java data structures storage nosql cicd jira git
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Posted
Jun 30, 2025
Type
Contract
Level
Mid-Senior
Location
Toronto
Company
eBay

Industries

Technology Information Internet

Categories

Distribution Design Information Technology

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