# Deliverability Engineer, Core Sending

**Company:** [Resend](https://hotfix.jobs/companies/resend)
**Location:** Remote
**Role:** Backend Engineering
**Salary:** $150k – $180k/yr
**Skills:** Email Deliverability, Ip Reputation, Domain Reputation, Dkim, Spf, Dmarc, Google Postmaster Tools, Microsoft Snds, Yahoo Sender Hub, AWS, Next.js
**Posted:** 2026-05-29

> As a Deliverability Engineer, you will be responsible for building and maintaining core components for sending transactional and marketing emails. This role requires expertise in email deliverability, reputation, and high-volume email systems.

## Job Description

## Responsibilities
* Build and maintain core components of Resend for transactional and marketing emails.
* Turn ambiguous deliverability judgment into metrics, policies, runbooks, dashboards, and systems.
* Communicate clearly with engineering, support, product, and customers.

## Requirements
* Experience in email deliverability, reputation, mail operations, anti-abuse, or high-volume email systems.
* Understanding of IP reputation, domain reputation, authentication, bounces, complaints, suppressions, and warmup.
* Knowledge of how major mailbox providers behave and how to diagnose provider-specific delivery issues.
* Low ego, strong judgment, and high ownership.

## Nice-to-haves
* Operated shared and dedicated IP pools.
* Designed or managed IP warmup programs.
* Recovered from provider blocks, spam-foldering issues, complaint spikes, deferral spikes, or blocklist events.
* Experience with Google Postmaster Tools, Microsoft SNDS/JMRP, Yahoo Sender Hub, feedback loops, or blocklist monitoring.
* Understanding of DKIM, SPF, DMARC, PTR, TLS, DSNs, List-Unsubscribe, suppression, and bounce classification.
* Partnered with Trust & Safety, anti-abuse, support, or customer-facing teams.
* Helped build deliverability dashboards, reputation scoring, traffic segmentation, or automated enforcement systems.
* Experience helping engineering teams turn deliverability knowledge into product and infrastructure.

## Compensation
* $150,000 - $180,000 USD, commensurate with experience.

## Similar roles

- [Software Engineer, Workers Deploy & Config](https://hotfix.jobs/jobs/373e862c-92c6-4938-907d-a09a407f2835) - Cloudflare - New York, NY - $150k – $206k/yr
- [Backend Software Engineer](https://hotfix.jobs/jobs/08928e42-7bb9-4744-9124-acc9cde7ae0e) - Doxel - San Francisco, CA - $150k – $200k/yr
- [Backend Engineer , Core Sending](https://hotfix.jobs/jobs/158a2892-6b94-4186-ae37-b322d0659fca) - Resend - Remote - $150k – $170k/yr
- [Software Engineer — Integrations](https://hotfix.jobs/jobs/13c07401-ac9b-4d48-8c31-8fc220a67151) - Kodex - Remote - $150k – $180k/yr
- [Product Engineer](https://hotfix.jobs/jobs/3893981f-2811-439b-aee6-9ca5def8d342) - Hyperspell - San Francisco, CA - $150k – $220k/yr

**Apply:** https://hotfix.jobs/jobs/0d8528d0-1960-4a62-867c-c7a9d2b9e09a
**Canonical:** https://hotfix.jobs/jobs/0d8528d0-1960-4a62-867c-c7a9d2b9e09a