Resend

You will build and maintain internal services for enforcement, throttling, and policy rules. Additionally, you will design automation pipelines that move from detection to decision to action. | The ideal candidate should have 5+ years of software engineering experience and be fluent in English. They should also have deep experience with Node.js, TypeScript, React, and proven experience with databases and performance tuning. | Email is unlike any other medium in the world. With just an address, anyone can talk to anyone, no matter their location, status, or class. It’s democratized access, it’s a sacred privilege, and it’s worth protecting at all costs. Resend is building the most accessible email platform for developers. As we’ve grown to over 15K customers and continue to onboard thousands of new users every day, the pressure of maintaining a safe place for good senders continues to build up. You’ll build the interfaces, services, tooling, and enforcement pipelines for Trust & Safety. From consoles to enforcement automations. In this role, you will… Build and maintain internal services for enforcement, throttling, and policy rules Design automation pipelines that move from detection → decision → action Connect with core infrastructure: databases, queues, caching layers, and observability stacks Implement safeguards: fail-safes, fallback paths, and guardrails to prevent over-blocking Collaborate with teams to turn raw signals into actionable workflows Ensure all enforcement actions are traceable with logs, metrics, and audit trails You’ll be a great fit if you… Bring 5+ years of software engineering experience Are fluent in writing and speaking English Have deep experience with Node.js, TypeScript, React (Express, Hono, Next.js) Proven experience with databases and performance tuning (Postgres, Clickhouse) Infrastructure and reliability skills (Datadog, AWS, CDK) Understand how to design systems with safety and fail-safe operations in mind Are comfortable with APIs, event-driven architectures, and stateful services Care deeply about observability: metrics, logs, tracing, error handling Take ownership across the stack — from frontend surfaces down to databases and queues Have worked in trust, safety, fraud, or security domains Have exposure to real-time enforcement systems, such as rate-limiting Learn more about how we work in Trust & Safety: Our Philosophy for Anti-Abuse Our Tech Stack How We Bring Innovation Through Experiments About Resend We are building the modern email sending platform for developers- we care deeply about quality, creating for everyone and building in the open. What started as an open source project in 2022, now onboards nearly 100 customers every day and a growing developer community. Our fully remote team of over 25 humans spans 7 countries.. and counting. We’re backed by a16z, Y Combinator, Basecase and other top investors. Read about how we work, how we hire, and what we value here.

Investigate abuse patterns, analyze behavioral signals, build detection systems, define and monitor key metrics, create dashboards, and collaborate with data engineering and policy teams. | 3+ years in data or analytics roles ideally in security, fraud, or trust and safety, fluent in SQL and BI tools, experience with large datasets, strong measurement skills, and good communication. | Email is unlike any other medium in the world. With just an address, anyone can talk to anyone, no matter their location, status, or class. It’s democratized access, it’s a sacred privilege, and it’s worth protecting at all costs. Resend is building the most accessible email platform for developers. As we’ve grown to over 15K customers and continue to onboard thousands of new users every day, the pressure of maintaining a safe place for good senders continues to build up. As the first Data Analyst on our Trust & Safety squad, you will wear many investigative hats— identifying abuse patterns, analyzing behavioral signals, and developing scalable detection systems that prevent harmful users and enable good senders and scale. In this role, you will… Root-cause investigations of unexpected events or spikes Deeply understand and stay up to date on email abuse vectors and trends Define, instrument, and monitor key metrics: time to detect, false-positive rate, coverage, enforcement latency Build dashboards and reports for real-time and historical visibility into behavior and policy violations Analyze signal effectiveness: precision, recall, drift, overlap, etc Work with data engineering to shape data pipelines (ensuring data correctness, coverage, freshness) Partner with policy & ops to A/B test rule changes, evaluate trade-offs, and iterate Who You Are.. 3+ years in data or analytics roles (ideally in security, fraud, or trust and safety) Fluent in SQL + data tooling (e.g. Looker, Mode, Metabase, BI) Comfortable working with large event/data sets Strong sense of measurement: you build metrics that drive decisions Good communicator—can explain nuanced analytics to non-data folks You thrive in ambiguity, can build frameworks out of thin air Experience with estimation, sampling, statistical validation Learn more about how we work in Trust and Safety: Our Philosophy Our Philosophy for Anti-Abuse Our Tech Stack About Resend We are building the modern email sending platform for developers- we care deeply about quality, creating for everyone and building in the open. What started as an open source project in 2022, now onboard nearly thousands of users every day sending billions of emails. Our fully remote team of over 25 humans spans 7 countries.. and counting. We’re backed by a16z, Y Combinator, Basecase and other top investors. Read about how we work, how we hire, and what we value here.