Backend Software Engineer
Backend engineer building and scaling data pipelines, APIs, and storage systems (DuckDB, PostgreSQL, Airflow) that power construction-insight applications and integrate with CV/ML models.
Deliverability Engineer, Core Sending
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.
150k – 180kUnited StatesBackend EngineeringRemote
About the role
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.
Skills
Email DeliverabilityIp ReputationDomain ReputationDkimSpfDmarcGoogle Postmaster ToolsMicrosoft SndsYahoo Sender HubAWSNext.js
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