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MTS 1, Software Engineer, Full Stack

Toronto💼 Full-time💰 $142,400–$142,400🗓 2026-07-22 → 2026-10-07

Core

Building and maintaining eBay's distributed experimentation and feature flag platform to enable data-driven decisions across the global e-commerce site.

Role type

Senior Full Stack Software Engineer (Experimentation & Feature Flag)

Builds

Distributed macro-services for feature flags and A/B testing, spanning ReactJS UI to Java backend

Domain

E-commerce, Data Infrastructure, Experimentation Platforms

Deliverable

production ML models | product features

Required skills

Full-stack development, Distributed systems design, ReactJS, Java (SpringBoot), TypeScript, NodeJS, SQL, A/B Testing, Feature flags, System architecture, Observability

Preferred skills

JVM languages (Scala), Object-Oriented Design, Large-scale application development

Technologies

ReactJS, Java, SpringBoot, TypeScript, NodeJS, SQL

Responsibilities

Implement distributed platform services from UI to backend, Contribute to long-term architecture design reviews, Enhance system performance for low latency and high throughput, Drive operational excellence including incident response, Collaborate with data scientists and business teams on requirements (via careerplan.io/jobs/R0075838-mts-1-software-engineer-full-stack-at-ebay)

Seniority

Senior, hands-on IC