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Senior MTS Software Engineer (Backend)

Toronto🌐 Remote💼 Full-time🗓 2026-06-18 → 2026-07-31

Core

Lead complex technical initiatives and drive technical direction for large-scale distributed web platforms and APIs serving millions of buyers and sellers globally.

Role type

Senior IC backend software engineer (architect/technical lead)

Builds

Scalable eCommerce marketplaces, buyer and seller experiences, and core platform infrastructure

Domain

eCommerce, distributed systems, cloud infrastructure

Deliverable

production ML models | product features | infrastructure

Required skills

System design, distributed systems architecture, API design (GraphQL/REST), messaging systems, database management (RDBMS/NoSQL), containerization, technical strategy, architectural decision making, mentoring

Preferred skills

Generative AI integration, project management, people management, product management

Technologies

GraphQL, REST APIs, Messaging Systems, RDBMS, NoSQL, Containers

Responsibilities

Lead complex technical initiatives from conception to delivery, drive technical roadmap and strategy, author Architecture Decision Records (ADRs), mentor and coach team members, manage on-call responsibilities for 24/7 systems, modernize legacy systems

Seniority

Senior, hands-on IC with strategic leadership

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