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

Requirements

• 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

What You'll Be Doing

• 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

Perks and Benefits

• 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