ROLE SPECIFICATION // 7T3EJS•ACTIVELY_INTERVIEWINGYC COHORT // YC W23 // DEVTOOLS
Founding Infrastructure Engineer
YC
Y Combinator Verified IngestionYC W23 // DEVTOOLS
Direct from Resend Founders • Work at a Startup Feed
Mandatory Verified Compensation & Equity Range
Guaranteed Base Salary$170k - $220kUSD / YEAR • RADICAL TRANSPARENCY
Direct Equity Grant0.5% - 1%STANDARD 4-YR VEST // 1-YR CLIFF
Anti-Ghosting SLA< 12 HoursHEARTBEAT VERIFIED LIVE
Production Stack Specification
TypeScriptGoNext.jsPostgreSQLRedisCloudflare WorkersPrisma
The Engineering Mission & Technical Challenges
Resend is the developer-first email platform. We turn sending emails into a delightful two-line SDK call.
Current Technical Challenges & 90-Day Deliverables:
• Scale our edge mail relay network across 35+ global regions with automated MTLS connection pooling.
• Construct high-throughput IP warm-up and deliverability algorithms automatically mitigating spam reputation drops.
• Maintain 99.999% delivery reliability under burst traffic of 50,000 requests/second.
• Optimize zero-downtime PostgreSQL schema migrations under heavy transactional write volume.
Transparent Interview Roadmap
1
DevTools Conviction Screen30m
Direct conversation with Zeno (CEO) reviewing your past shipped open-source projects and developer UX philosophy.
2
High-Throughput Mail Relay Design60m
Distributed systems review covering edge queues, backpressure handling, and DNS resolution at scale.
3
Paid 1-Day Trial PR1 Day
Compensated trial ($800) implementing a scoped feature in our staging infrastructure.
4
Founder Offer Lock24h
Definitive offer with guaranteed base salary and verified equity grant.
APPLICATION PROTOCOL: BUILDER DOSSIER