Software Engineer - Synthetics Core Engine (Lisbon)

Datadog's Synthetics Testing & Monitoring is a suite of features designed to help developers and operations teams monitor and test their web and mobile applications, as well as their APIs. It ensures the performance, functionality, and reliability of these services by simulating real user interactions and running automated tests, across the world.
By joining our Synthetics Worker team, you'll become part of a dynamic, multicultural group dedicated to developing the core engine responsible for running millions of API and browser tests per day. This engine is the backbone of our product, emphasizing reliability, resilience, and maintainability. As a team member, you will be involved in the development of every new capability added to our product and collaborate closely with product, backend, and frontend teams.
To maintain the trust we've built with our many customers, you will need to be adept at building robust, well-architected, and error-resilient solutions. Given the complexity and vastness of the web and API landscape, you'll need a strong appetite for learning, staying ahead of the curve, and investigating user issues.
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.
What You'll Do:

• Develop new engine capabilities used worldwide by our customers, taking ownership of new features from initial design to operation in production.
• Collaborate closely with the product, backend, and frontend teams to deliver a best-in-class Synthetic Testing & Monitoring product.
• Consistently enhance our engine to make it more robust, maintainable, and resilient.
• Address customer feedback reported by our Technical Support Engineers

Who You Are:

• You value code simplicity, resilience, performance, and a highly collaborative ecosystem.
• You demonstrate a deep understanding of product development, prioritize user needs, and deliver measurable, impactful results.
• You have a strong desire to deepen your knowledge of browser and protocol internals, gain experience working at scale, and a lot more.
• You are not afraid of walking into uncharted territory to debug complex issues and find the best-fit solution.
• You thrive in a fast-paced, high-growth multicultural environment that values product excellence, collaboration, and exciting engineering challenges at scale.

Bonus Points:

• You have significant experience in Node.js and JavaScript/TypeScript
• You are familiar with testing automation tools such as Puppeteer
• You have experience in Browser Extension development
• You keep yourself up-to-date regarding web standards, protocols, and JavaScript ecosystem

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:

• Product training to develop an in-depth understanding of our product and space
• Continuous career development and pathing opportunities for internal mobility
• Intra-departmental mentor and buddy program for in-house networking
• An inclusive company culture, ability to join our Community Guilds
• New hire stock equity (RSUs) and employee stock purchase plan
• Free global mental health benefit through Spring Health
• Generous global benefits

Benefits and Growth listed above may vary based on the country of your employment and the nature of your employment with Datadog.
About Datadog:
Datadog (NASDAQ: DDOG) is a global SaaS 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 people-first community where we solve tough problems, take smart risks, and celebrate one another. Learn more about #DatadogLife on Instagram , LinkedIn, and Datadog Learning Center.
Equal Opportunity at Datadog:
Datadog is an Affirmative Action and Equal Opportunity Employer and 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 more. We also consider qualified applicants regardless of criminal histories, consistent with legal requirements. Here are our Candidate Legal Notices for your reference.
Your Privacy:
Any information you submit to Datadog as part of your application will be processed in accordance with Datadog's Applicant and Candidate Privacy Notice .