Senior Software Engineer, Trust & Safety (Remote)

Resend; Ireland; Remote; EUR 90,000 - 130,000; Full time

Job summary

Resend is growing fast and seeks an experienced engineer to build anti-abuse systems, keeping the platform open for good senders and closed to bad actors. This fully remote role supports Americas and European timezones with some travel for team offsites, conferences, meetups, and more.

You will design real-time enforcement, build detection rules, and implement safeguards with logs and metrics. Bring 5+ years of software experience and fluency in English; Node.js, TypeScript, React (Hono,

Qualifications

• 5+ years of software engineering experience.
• Fluent in written and spoken English.
• Deep experience with Node.js, TypeScript, React.
• Remote role across Americas or Europe time zones.

Responsibilities

• Build and run the real-time enforcement layer with millisecond latency.
• Design pipelines from signal to decision to action across sending, receiving and activity.
• Develop detection rules and policies that define when to act.
• Detect account takeover and leaked API keys and contain damage without locking out owners.
• Close the feedback loop with explanations for blocks and reversals.
• Automate investigations, appeals and bulk actions as volume grows.
• Build and evaluate ML classifiers for spam and phishing and validate precision.
• Ensure actions are traceable via logs, metrics and audit trails.

Skills

Software engineering

Node.js

TypeScript

React

Go

English fluency

Tools

Hono

Next.js

Job description

Resend is growing fast and seeks an experienced engineer to build anti-abuse systems, keeping the platform open for good senders and closed to bad actors. This fully remote role supports Americas and European timezones with some travel for team offsites, conferences, meetups, and more.

You will design real-time enforcement, build detection rules, and implement safeguards with logs and metrics. Bring 5+ years of software experience and fluency in English; Node.js, TypeScript, React (Hono,