About Datadog
We operate at high scale with trillions of data points per day, enabling seamless collaboration and problem-solving among Dev, Ops, and Security teams for tens of thousands of companies globally. Our engineering culture values pragmatism, honesty, and simplicity to solve hard problems the right way.
The Datadog Security Libraries team owns the customer-side integrations behind our run-time security products App & API Protection, Workload Protection, and Code Security. Our libraries let customers automatically manage application security risk with continuous, real-time monitoring of vulnerabilities and threats against their web applications, serverless applications, and APIs, in production. Automatically integrated with Application Performance Monitoring (APM) distributed tracing and code-level context, our software empowers development, operations, and security teams to build and run secure applications.
As a polyglot team we ship and maintain the security capabilities of Datadog's tracing libraries across .NET , Java , Go , Node.js , Python , Ruby , PHP ,



on top of a shared C++ core and a set of proxy integrations (primarily Envoy, NGINX, and HAProxy). Our code runs inside thousands of production applications around the world. We're looking for a senior, polyglot engineer to contribute across several of our security libraries, with .NET or Java expertise. As a senior engineer within a product team, we also expect a strong sense of product engineering : you connect the libraries you build to customer adoption and security value, and you help decide what's worth building.
NET and/or Java as your primary focus.
Take projects from prototype to deployed, correct, operable, and maintainable, writing code that safely instruments thousands of applications in production.
WAF/RASP timeouts, performance and cost), debug challenging cross-system issues, and drive down customer-facing problems.
Partner with product management, backend, and frontend teams to turn p

📌 Senior Software Engineer, Test (España)
🏢 Datadog
📍 España