Software Engineer – Trust & Safety

Resend

. Build and run the real-time enforcement layer within a millisecond latency budget .

Posted 10/8/2026full-timeRemoteMid-LevelSenior💰 $150,000 - $175,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in building real-time enforcement systems with a focus on low-latency performance, while ensuring system reliability and observability. Proficient in full-stack development, including frontend and backend technologies, with a strong emphasis on security and fraud detection.

Highest-signal resume keywords

Node.jsTypeScriptReactAWSMachine Learning

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Software EngineeringAPIsEvent-Driven ArchitecturePostgresRedisReal-Time EnforcementDetection RulesMetricsLogsError Handling

Soft Skills

CollaborationCommunication

Tools & Technologies

HonoNext.jsCDKDatadog

Industry Keywords

Trust and SafetyFraud DetectionSecurityEmail TechnologiesPhishing Campaigns

Tech Stack

Tools & technologies

AWSJavaScriptNext.jsNode.jsPostgresReactRedisTypeScriptGo

About the role

Key responsibilities & impact

Build and run the real-time enforcement layer within a millisecond latency budget
Design signal-to-decision-to-action pipelines across sending, receiving, and account activity
Build detection rules and policies and make them safe to change
Detect and contain account takeover and leaked API keys
Measure detection precision and retire detections that negatively affect good senders
Automate investigations, appeals, and bulk actions
Build and evaluate ML classifiers for spam and phishing
Implement safeguards and ensure actions are traceable through logs, metrics, and audit trails
Take projects from discovery through production
Collaborate closely with developers using Resend’s email platform

Requirements

What you’ll need

5+ years of software engineering experience
Fluent in written and spoken English
Deep experience with Node.js, TypeScript, React, Hono, and Next.js
Go experience or willingness to learn Go
Infrastructure and reliability skills with AWS, CDK, and Datadog
Experience with APIs, event-driven architectures, queues, and stateful services
Ability to design systems that fail safe and treat false positives as bugs
Observability experience with metrics, logs, tracing, and error handling
Full-stack ownership from frontend surfaces to databases and queues
Proven experience with Postgres and Redis
Trust and safety, fraud, or security experience preferred for exceptional fit
Experience building real-time enforcement such as rate limiting or rules engines preferred for exceptional fit
Production experience shipping ML or LLM-based detection and measuring precision and recall preferred for exceptional fit
Knowledge of email technologies including SPF, DKIM, DMARC, bounces, complaints, and phishing campaigns preferred for exceptional fit
Knowledge of Postgres and Redis performance tuning preferred for exceptional fit

Benefits

Comp & perks

Fully remote work
Travel for team offsites, conferences, meetups, and more
Room to shape technical decisions and take projects from discovery through production
Close collaboration with the developers who use what you build
Shared learning and thoughtful feedback
Global teammates and remote work with teammates around the world