Senior Security Libraries Engineer (.NET/Java)

Datadog; Valbonne; Hybride; EUR 90 000 - 140 000; Plein temps

Résumé du poste

Datadog is seeking a senior, polyglot engineer to contribute across several of our security libraries, with .NET or Java expertise. You will design and build security integrations and detection features, take them from prototype to production-hardened, and own them operationally as they instrument thousands of applications.

As a senior engineer within a product team, you connect the libraries you build to customer adoption and security value, helping decide what’s worth building and how it

Qualifications

• Expert in at least one of .NET (C#) or Java with strong code quality.
• Polyglot contributor able to work across multiple libraries.
• Product-engineering mindset tying code to customer value and outcomes.

Responsabilités

• Design, build, and own security integrations and detections across libraries (WAF, RASP, API security, IAST, SCA).
• Take projects from prototype to production, ensuring maintainability at scale.
• Monitor production telemetry and debug cross-system issues, reducing customer-facing problems.
• Shape roadmaps, RFCs, and align designs across teams to deliver impact.

Connaissances

.NET

Java

Polyglot

Software engineering

Product engineering

SDKs & libraries

Performance

Operations readiness

Communication

STEM degree

Formation

BS/MS/PhD in STEM

Outils

.NET runtime tools

Java tooling

Description du poste

Datadog is seeking a senior, polyglot engineer to contribute across several of our security libraries, with .NET or Java expertise. You will design and build security integrations and detection features, take them from prototype to production-hardened, and own them operationally as they instrument thousands of applications.

As a senior engineer within a product team, you connect the libraries you build to customer adoption and security value, helping decide what’s worth building and how it