Senior Software Engineer, Security Libraries

Datadog

Confirmed live 3 days ago High trust
Hybrid

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Hybrid
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Posted
46 days ago
Freshness
Confirmed live 3 days ago

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How this pay compares to similar roles

Similar $180k
$114k most similar roles pay here $238k

This listing doesn't post a salary. Most similar roles pay $153,652–$206,450.

Based on 240 similar postings.

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About Datadog

Datadog, Inc. is an American company that provides an observability service for cloud-scale applications, providing monitoring of servers, databases, tools, and services, through a SaaS-based data analytics platform.

Datadog currently has 266 open roles on FindRole.

Listed pay typically runs $161,000–$205,000 across 138 roles with salary data.

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At a glance

TL;DR · Senior Software Engineer, Security Libraries

Senior Software Engineer - Security Libraries joins the Security Libraries team to develop customer-side integrations for run-time security products including App & API Protection, Workload Protection, and Code Security. This role involves designing, building, and owning security integrations and detection features such as WAF, RASP, IAST, and SCA across multiple libraries. The engineer will take projects from prototype to production-hardened status while managing operational telemetry, performance, and cost metrics for code running in thousands of applications. Candidates must be polyglot experts in .NET or Java who can also contribute to Go, Node.js, Python, Ruby, PHP, and C++ environments. Key responsibilities include mentoring teammates, shaping the product roadmap through RFCs, and ensuring high code quality. The role addresses the technical challenge of providing real-time monitoring of vulnerabilities and threats against web applications, serverless systems, and APIs.

What does a Software Engineer earn?

Median $197500 from 2196 postings across 133 companies.

See salary data

What you'll do

  • Design and build security integrations and detection features for .NET and Java libraries.
  • Transition projects from initial prototypes to production-hardened, maintainable code used by thousands of applications.
  • Monitor production telemetry to debug cross-system issues and reduce customer-facing problems.
  • Define product roadmaps, OKRs, and technical designs through RFCs to align multiple engineering teams.
  • Collaborate with product and backend teams to turn new features into adopted customer capabilities.
  • Mentor teammates and improve overall team effectiveness by raising standards for code quality and testing.
  • Represent the company in relevant programming and security communities.

What we're looking for

  • Expert proficiency in .NET (C#) or Java is required for this role.
  • Must be a polyglot capable of contributing idiomatically across multiple programming languages.
  • Experience building and shipping libraries or SDKs consumed by other developers.
  • Strong software engineering fundamentals to produce modular, maintainable, and well-tested code.
  • Proven ability to manage production systems, including monitoring telemetry and debugging cross-system issues.
  • A product-engineering mindset that balances technical trade-offs with customer impact and experience.
  • Ability to communicate clearly in writing and in person to drive alignment and provide feedback.
  • A BS/MS/PhD in a STEM field or equivalent professional experience.

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