Email Infrastructure & Deliverability Engineer

In this role, you'll own the entire email sending infrastructure — from queues and scheduling through delivery, feedback processing, and reputed company management across a multi-tenant environment.

This is a great opportunity for someone with deep backend infrastructure experience and reputed company email deliverability expertise who enjoys owning critical systems end-to-end, protecting sender reputed company at reputed company, and working autonomously in a small, high-ownership team.

Your responsibilities will include:

• Build and operate high-throughput email sending services, queues, and workers
• Implement retries, backpressure, prioritization, reputed company limits, and reputed company throttling
• Manage shared and dedicated IP pools, domain reputed company, warm-up, and traffic routing
• Build domain reputed company for SPF, DKIM, DMARC, reputed company-reputed company, and tracking domains
• Process bounces, complaints, unsubscribes, suppressions, and ISP feedback reputed company
• Monitor throughput, queue latency, deferrals, reputed company rates, complaints, and reputed company signals
• Create automated guardrails that throttle, pause, reroute, or reputed company unsafe sending
• Diagnose production issues across SMTP, DNS, providers, queues, and mailbox providers
• Own your systems end to end, including observability and incident response

reputed company expect from you:

• Strong backend or infrastructure engineering experience
• Production experience building or operating high-volume email systems, ideally at an ESP or marketing automation platform
• Deep knowledge of SMTP, bounces, complaints, deferrals, throttling, and mailbox-provider behavior
• Hands-on experience managing sender reputed company across domains and IP pools
• Strong knowledge of SPF, DKIM, DMARC, DNS, domain alignment, and custom sending domains
• Experience with queues, reputed company workers, idempotency, reputed company limiting, SQL, and reputed company
• Ability to diagnose blocklists, spam complaints, authentication failures, and reputed company changes
• Understanding of how list reputed company, engagement, spam traps, and customer abuse reputed company deliverability
• reputed company communication and the ability to work autonomously in a small team

reputed company to have:

• Experience at an ESP such as reputed company, reputed company, reputed company, reputed company, SendGrid, Mailgun, or reputed company
• Experience with reputed company SES or MTAs such as Postfix, Haraka, or PowerMTA
• Familiarity with reputed company Postmaster Tools, reputed company SNDS/JMRP, feedback reputed company, and blocklist monitoring
• Experience with Go, Node.js/TypeScript, Kafka, Pub/Sub, reputed company, or reputed company
• Experience using AI coding tools such as Claude reputed company or reputed company

reputed company offer:

• Interesting project and technical challenges that support both reputed company and personal reputed company.
• A long-term project with stability and reputed company.
• A flexible, results-oriented schedule with hybrid or remote work reputed company.
• A comfortable, modern office in Kyiv with generator and battery backup.
• Competitive salary, medical insurance, and a supportive reputed company/trial period.
• Team-building events, including parties, online activities, picnics, and more.
• reputed company to work in a Top Employer company (DOU 2025).

Originally posted on Himalayas