Senior Software Engineer - Backend & Scalability

<p>At Datadog, we’re building the platform that enables engineers to monitor, secure, and scale their infrastructure and applications - powering reliability and performance across thousands of companies. We ingest trillions of data points each day and tackle challenges of scale, speed, and resilience.</p> <p>We’re looking for experienced backend engineers who want to take ownership of critical services and deepen their expertise in distributed systems. Whether you've built APIs, pipelines, or backend tooling, this role is a chance to grow your impact while learning how to design and operate high-scale, high-availability systems that support observability and security products used by engineers around the world.</p> <p>&nbsp;</p> <p><em><span style="font-weight: 400;">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 work-life harmony that best fits them.</span></em></p> <p>&nbsp;</p> <p><strong>What You’ll Do:</strong></p> <ul> <li>Design and build reliable backend services that handle high-throughput, globally distributed workloads</li> <li>Own core components that power products relied on by thousands of engineering teams worldwide</li> <li>Collaborate with other experienced engineers to evolve system architecture with a focus on scalability and resilience</li> <li>Learn and apply distributed systems design patterns in a production setting</li> <li>Ship production-grade code in languages like Go, Python, or Java</li> <li>Contribute to team culture through code reviews, architecture discussions, and mentorship of peers and junior engineers</li> </ul> <p>&nbsp;</p> <p><strong>Who You Are:</strong></p> <ul> <li style="font-weight: 400;"><span style="font-weight: 400;">You have 5+ years of experience building backend software in production, using languages like Go, Python, Java, C++, or Rust</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">You’ve contributed to the design and development of backend services or APIs, and enjoy solving real-world engineering problems</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">You’ve had some exposure to distributed systems (e.g., fault tolerance, messaging, scalability) and are excited to deepen your expertise</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">You write clean, maintainable code and approach system design with thoughtfulness and curiosity</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">You’re collaborative and eager to grow your impact by working on high-scale, high-reliability systems</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;"><span data-sheets-root="1">You’re excited about leveraging AI tools to enhance how you code, solve problems, and build – or eager to learn how</span></span></li> <li style="font-weight: 400;"><span style="font-weight: 400;"><span data-sheets-root="1">You have demonstrated ability to use AI coding tools in day-to-day workflows and validate, critique, and refine AI-generated output</span></span></li> <li style="font-weight: 400;"><span style="font-weight: 400;"><span data-sheets-root="1">Bonus: You’re motivated to push the boundaries of how AI can improve software engineering best practices and contribute to building AI-enabled products</span></span></li> </ul> <p><em><span style="font-weight: 400;">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.&nbsp;</span></em></p> <p>&nbsp;</p> <p><strong>Why Join:</strong></p> <ul> <li>Work with talented engineers who will support your growth in distributed systems and large-scale software design</li> <li>Participate in impactful projects from day one with the autonomy to make technical decisions</li> <li>Grow your career with access to mentorship programs, internal mobility, and continuous development resour