This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Software Engineer, Trust & Safety based in Spain.

Join a fully remote engineering team building reliable email infrastructure for millions of developers worldwide. As a Software Engineer specializing in Trust & Safety, you will design and develop sophisticated anti-abuse systems that protect legitimate senders while preventing spam, phishing, fraud, and account compromise. You will build real-time enforcement mechanisms, scalable detection pipelines, and automated workflows that turn security signals into effective action within milliseconds. Working across backend services, infrastructure, databases, and machine learning, you will help strengthen platform security without compromising the experience of legitimate users. You will have significant ownership over technical decisions, from initial discovery through production deployment. This role offers the opportunity to solve complex engineering challenges in a quality-focused, collaborative,



and globally distributed environment.

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Accountabilities:

• Build and operate real-time enforcement systems that evaluate and act on potential abuse within strict millisecond-level latency requirements.

• Design scalable detection pipelines that transform signals from email sending, receiving, and account activity into decisions and automated actions.

• Develop, maintain, and improve detection rules and enforcement policies, ensuring they can be updated safely and evaluated consistently.

• Detect and contain account takeovers and leaked API keys by identifying suspicious behavioral changes and limiting potential damage while avoiding unnecessary account lockouts.

• Establish feedback mechanisms that record the reasons behind enforcement decisions and reversals, measure detection precision, and identify rules that negatively affect legitimate senders.

• Automate manual workflows, including i

📌 Software Engineer, Trust (España)
🏢 Jobgether
📍 España