Senior Software Engineer (Frontend) - Product Engineering (Lisbon) at Datadog

Lisbon, , Portugal -

Full Time

Start Date

Immediate

Expiry Date

22 Apr, 26

Salary

0.0

Posted On

22 Jan, 26

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

JavaScript, TypeScript, React, Frontend Architecture, Performance Optimization, Browser Fundamentals, User Experience, UI Quality, Mentoring, Collaboration, Code Quality, Testing, Maintainability

Industry

Software Development

Description

Datadog’s Product Engineering teams build the interfaces that customers rely on to observe, monitor, and troubleshoot their systems in real time. As a Senior Frontend Engineer, you’ll lead the development of complex UI features used daily by hundreds of thousands of users across our core observability products. You’ll collaborate cross-functionally to shape the user experience, own architectural decisions, and continuously improve the performance and accessibility of our frontend systems. This is an opportunity to work at scale, influence product direction, and mentor others in a high-ownership, growth-oriented environment. At Datadog, we place value in our office culture - the relationships and collaboration it builds and the creativity it brings to the table. We operate as a hybrid workplace to ensure our Datadogs can create a work-life harmony that best fits them. To give you a quick overview of some of our frontend product focus areas, you can explore the Digital Experience Monitoring suite that includes RUM (improves frontend performance with proactive insights into user behavior), Error Tracking (groups and prioritizes application errors), and Synthetic Monitoring (automatically tests your apps and APIs to catch issues before users do). 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: Design, build, and deliver scalable frontend features for Datadog’s core observability products Collaborate with product managers, designers, and backend engineers to define user experiences, data flows, and APIs Lead technical discussions and contribute to long-term architectural decisions Improve performance, reliability, and accessibility of user-facing applications Set and uphold high standards for code quality, testing, and maintainability Mentor other engineers and promote frontend engineering best practices across the team Who You Are: You have 6+ years of experience building production-grade frontend applications at scale You bring deep expertise in JavaScript/TypeScript and modern frameworks such as React You have strong knowledge of frontend architecture, performance optimization, and browser fundamentals You’ve taken major features from concept to launch with minimal supervision You’re an effective communicator who can influence technical direction You prioritize user experience and have an eye for UI quality and detail 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: Generous and competitive benefits package New hire stock equity (RSUs) and employee stock purchase plan Continuous career development and pathing opportunities Employee-focused best in class onboarding Internal mentor and cross-departmental buddy program Friendly and inclusive workplace culture Benefits and Growth listed above may vary based on the country of your employment and the nature of your employment with Datadog. #LI-VG1 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 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. Datadog endeavors to make our Careers Page accessible to all users. If you would like to contact us regarding the accessibility of our website or need assistance completing the application process, please complete this form. This form is for accommodation requests only and cannot be used to inquire about the status of applications. Privacy and AI Guidelines: Any information you submit to Datadog as part of your application will be processed in accordance with Datadog’s Applicant and Candidate Privacy Notice. For information on our AI policy, please visit Interviewing at Datadog AI Guidelines.

Responsibilities

Design, build, and deliver scalable frontend features for Datadog’s core observability products. Collaborate with product managers, designers, and backend engineers to define user experiences, data flows, and APIs.