Library Software Engineer - C++ Lisboa

Library Software Engineer - C++
Lisboa
Lisboa, Lisboa, Portugal

The APM Team at Datadog provides mission critical application health and performance monitoring for customers of all sizes and industries. We’re taking a new approach to APM with distributed tracing, profiling and seamless integration with Datadog’s Infrastructure and Logs products. Datadog is building a
- class APM product that traces requests as they flow across complex systems. We’re looking for a seasoned C++ engineer to shape the libraries and runtime hooks that power observability inside web infrastructure like Nginx, Kong, and Envoy.

At Datadog, we place value in our office culture - the relationships that it builds, the creativity it brings to the table, and the collaboration of being together. We operate as a hybrid workplace to ensure our employees can create a
- life harmony that best fits them.

What You’ll Do:

• Develop and maintain
  - performance C++ libraries that integrate with reverse proxies to enable observability and diagnostics.
• Design and implement runtime instrumentation for
  - sensitive and
  - threaded systems.
• Contribute to our adoption and integration of Open
  Telemetry standards across Datadog’s C++ observability libraries.
• Own the performance, safety, and correctness of
  - level code running in production.
• Collaborate with
  - source maintainers and engineering teams to improve tooling and ecosystem support.
• Contribute to shaping our telemetry standards and
  - platform instrumentation strategies.

Who You Are:

• You’ve written performant,
  - grade C++ (C++14 or later) in complex systems.
• You’re confident with multithreading, memory management, and debugging
  - level concurrency bugs.
• You’re comfortable owning critical paths in systems that need to be fast, observable, and safe under load.
• You communicate clearly and thrive in remote, distributed, or
  - first teams.
• You’ve worked on or contributed to
  - source reverse proxy projects.
• You’ve built or maintained
  - facing libraries or SDKs.
• You have experience working on infrastructure components such as proxies, load balancers, or gateway layers.
• You’re familiar with
  - level observability tools (perf, e
  BPF, systemtap, etc. ).
• You’ve debugged performance bottlenecks in HTTP, TLS, or TCP/IP stacks.
• You have exposure to distributed systems and service meshes at scale.

Datadog values people from all walks of life. We understand not everyone will meet all the above qualifications on day one. That's okay. If you’re passionate about technology and want to grow your skills, we encourage you to apply.

Benefits and Growth:

• New hire stock equity (RSUs) and employee stock purchase plan (ESPP)
• Continuous professional development, product training, and career pathing
• Intradepartmental mentor and buddy program for
  - house networking
• An inclusive company culture, ability to join our Community Guilds (Datadog employee resource groups)
• Access to Inclusion Talks, our Internal panel discussions
• Free, global mental health benefits for employees and dependents age 6+

Benefits and Growth listed above may vary based on the country of your employment and the nature of your employment with Datadog.

Datadog (NASDAQ: DDOG) is a global Saa
S business, delivering a rare combination of growth and profitability. We are on a mission to break down silos and solve complexity in the cloud age by enabling digital transformation, cloud migration, and infrastructure monitoring of our customers’ entire technology stacks. Built by engineers, for engineers, Datadog is used by organizations of all sizes across a wide range of industries. Together, we champion professional development, diversity of thought, innovation, and work excellence to empower continuous growth. Join the pack and become part of a collaborative, pragmatic, and thoughtful
- first community where we solve tough problems, take smart risks, and celebrate one another. Learn more about #Datadog
Life on Instagram , Linked
In, and Datadog Learning Center.

Equal Opportunity at Datadog:

Datadog is proud to offer equal employment opportunity to everyone regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, veteran status, and other characteristics protected by law. We also consider qualified applicants regardless of criminal histories, consistent with legal requirements. Here are our Candidate Legal Notices for your reference.

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