Software Engineer, Trust & Safety
Resend · Engineering · Senior · 1mo ago
$150k – $175k
per year
Open to candidates across Americas, Europe.
The role is open across multiple regions including the Americas and Europe.
Direct from the employer's own careers page
Who can apply
Read straight from the listing, so you know before you spend time on it.
Open to candidates across Americas, Europe.
“This role is fully remote based in Americas or European timezones, with some expected travel for team offsites, conferences, meetups, and more.”
The fully remote team of 50 spans 15 countries and counting.
- Async-first
- The listing doesn't promise async-first working.
- Contractor / B2B
- No mention of hiring international contractors or invoicing.
- Global stipend
- No home office or equipment budget mentioned.
- Annual retreat
- Travel is expected for team offsites, conferences, and meetups.
Read from the listing automatically. Always confirm the details with the company before you accept an offer.
About the role
In this role, you will build the anti-abuse systems that protect Resend by stopping bad actors while ensuring seamless delivery for legitimate senders. You will design real-time enforcement pipelines operating within millisecond latency budgets, build detection rules and policy engines, detect account takeover or leaked API keys, and implement ML-based spam and phishing classifiers with robust observability and audit trails.
What you'll do
- Build and run the real-time enforcement layer within a latency budget of milliseconds
- Design pipelines that move from signal to decision to action across sending, receiving, and account activity
- Detect and contain account takeover and leaked API keys without locking out legitimate owners
- Automate manual investigation workflows, appeals, and bulk administrative actions
- Build, evaluate, and deploy ML classifiers for spam and phishing detection
- Implement comprehensive safeguards, metrics, logs, and audit trails for all enforcement actions
What you bring
- 5+ years of software engineering experience
- Fluency in written and spoken English
- Deep experience with Node.js, TypeScript, and React (Hono, Next.js)
- Proficiency in Go, or an interest in writing it for latency-sensitive services
- Solid infrastructure and reliability experience with AWS, CDK, and Datadog
- Strong background with databases like Postgres and Redis, alongside event-driven architectures and queues
About Resend
Resend is a modern email sending platform for developers focused on high craft, dependable infrastructure, and quality developer experience. Backed by Y Combinator and a16z, the fully remote company employs a distributed team across 15 countries.
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