[ engineering ]

Senior Software Engineer - Backend Platform

Location: Remote
Work mode: Remote
Type: full time
Listed: Sep 3, 2026

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[ About this role ]

Senior Backend Platform Engineer at Customer.io responsible for building and owning the infrastructure for a data-intensive marketing automation platform. This role involves tackling distributed systems problems, designing for fault tolerance and scalability, and shaping the architecture of highly available and evolving systems.

Skills and focus areas

distributed systems
large-scale backend architecture
reliability
observability
fault tolerance
performance
capacity planning
event-driven systems
message queues
data pipelines
collaboration

Summary written by Ramai from the original posting. Full details and requirements are on Customer.io’s careers page.

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