Job Description

Email As A Universal Medium

Email is unlike any other medium in the world. With just an address, anyone can talk to anyone, no matter their location, status, or class. It's democratized access, it's a sacred privilege, and it's worth protecting at all costs.

Resend is building the most accessible email platform for developers. As we've grown to over 15K customers and continue to onboard thousands of new users every day, the pressure of maintaining a safe place for good senders continues to build up.

You'll be the engine behind Trust & Safety's data backbone. Ensure ingestion is reliable, latency is low, data is correct so that detection, tooling, and dashboards always have solid ground.

In this role, you will

• Build and maintain ETL / streaming pipelines for logs, events, metadata, attribution.
• Work on aggregation, feature construction, smoothing, and correctness layers.
• Ensure data quality: alerting, reconciliation, schema validation, drift detection.
• Optimize for low-latency queries and data access patterns used by enforcement engines and dashboards.
• Partner with software engineers and analytics to expose data in APIs or internal tools.
• Instrument logging and observability within your pipelines (monitoring, health dashboards).
• Over time, help build feature stores or real-time feature services for models or rules.

You'll be a great fit if you

• 3+ years building data pipelines (batch, stream) in production.
• Strong in Python, SQL, and data infrastructure (e.g. Kafka, Airflow, Flink, Spark).
• Experience with data integrity, schema evolution, partitioning, compaction, etc.
• Deep understanding of performance, latency, indexing.
• Comfortable designing for failure, retries, backfills, idempotency.
• You treat data as first-class infrastructure.
• Experience in fraud, security, abuse domains.
• Familiarity with real-time feature serving or feature store systems.
• Exposure to internal tooling APIs or data mesh architectures.

Learn more about how we work in Trust & Safety:

• Our Philosophy for Anti-Abuse
• Our Tech Stack
• How We Bring Innovation Through Experiments

About Resend

We are building the modern email sending platform for developers- we care deeply about quality, creating for everyone and building in the open. What started as an open source project in 2022, now onboards nearly 100 customers every day and a growing developer community.

Our fully remote team of over 25 humans spans 7 countries.. and counting. We're backed by a16z, Y Combinator, Basecase and other top investors.

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