CareerPlan

Lead Full Stack Engineer

TorontoFull-time2026-06-10 → 2026-11-12

Core

Lead Full Stack Engineer driving end-to-end development of scalable advertising solutions, integrating AI/ML capabilities into next-gen ad products for millions of buyers and sellers.

Role type

Senior IC Lead Full Stack Engineer (Ad-Tech)

Builds

Scalable advertising features, APIs, services, and data platforms for eBay's global marketplace

Domain

E-commerce / Ad-Tech / AI

Deliverable

production ML models | product features

Required skills

React, Node.js, Java (17+), Spring Boot, Kafka, RabbitMQ, distributed systems design, system architecture, CI/CD, AI-assisted development tools

Preferred skills

Mentorship, technical leadership, open-source collaboration

Technologies

React, Node.js, Java, Scala, Kafka, RabbitMQ, Spring Boot

Responsibilities

Design and build innovative advertising and commerce features; Develop scalable, highly available applications and APIs; Own end-to-end delivery of complex features from design to production; Drive technical decisions and system design; Leverage AI-powered development tools; Partner with ML teams on intelligent advertising capabilities; Mentor team members and shape engineering best practices

Seniority

Senior, hands-on IC with leadership responsibilities