Email API for developers
Deliverability Engineer, Core Sending
Location
United States
Posted
5 days ago
Salary
$150K - $180K / year
Seniority
Senior
Job Description
Deliverability Engineer, Core Sending
Resend
• Responsible for building and maintaining the core components of Resend that handle sending transactional and marketing emails • Collaborate with the Core Sending Squad
Job Requirements
- Have experience in email deliverability, reputation, mail operations, anti-abuse, or high-volume email systems
- Understand IP reputation, domain reputation, authentication, bounces, complaints, suppressions, and warmup
- Know how major mailbox providers behave and how to diagnose provider-specific delivery issues
- Can turn ambiguous deliverability judgment into metrics, policies, runbooks, dashboards, and systems
- Communicate clearly with engineering, support, product, customers
- Have low ego, strong judgment, and high ownership
- Have operated shared and dedicated IP pools
- Have designed or managed IP warmup programs
- Have recovered from provider blocks, spam-foldering issues, complaint spikes, deferral spikes, or blocklist events
- Have experience with Google Postmaster Tools, Microsoft SNDS/JMRP, Yahoo Sender Hub, feedback loops, or blocklist monitoring
- Understand DKIM, SPF, DMARC, PTR, TLS, DSNs, List-Unsubscribe, suppression, and bounce classification
- Have partnered with Trust & Safety, anti-abuse, support, or customer-facing teams
- Have helped build deliverability dashboards, reputation scoring, traffic segmentation, or automated enforcement systems
- Have experience helping engineering teams turn deliverability knowledge into product and infrastructure
Benefits
- 100% remote team with flexible working schedules
- Ownership of problems and solutions
- Modern tech stack (AWS, Next.js, Raycast, Notion, etc.)
- Honest and low-ego team
- Autonomy to "just ship it"
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