Backend Engineer (Infra), Core Sending
Core
Designing and operating high-scale distributed infrastructure to send tens of millions of transactional and marketing emails daily.
Role type
Senior IC backend infrastructure engineer
Builds
Scalable email sending infrastructure, distributed data pipelines, and high-availability systems
Domain
Cloud infrastructure, distributed systems, email delivery
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
Cloud infrastructure design, distributed systems, database scaling (Postgres, Clickhouse), observability, IaC (CDK, TF), async pipelines, event-driven systems (Kafka, SQS/SNS), TypeScript, Golang
Preferred skills
Email best practices, high-workload application experience
Technologies
AWS, Postgres, Clickhouse, Datadog, CDK, Terraform, Kafka, SQS, SNS, TypeScript, Golang
Responsibilities
Define architecture for millions of daily API requests, build and scale infrastructure for high-volume email sending, improve high availability across distributed applications, scale databases, enhance observability, refine disaster recovery plans, build infrastructure with IaC, operate async pipelines, manage on-call rotation
Seniority
Senior, hands-on IC
