[Remote] Principal Software Engineer - AI Native Experiences at Upwork

The Principal Software Engineer will lead the design and development of AI-native product experiences across Upwork’s web and mobile platforms. This involves building and delivering AI-native features using technologies like React, React Native, and Node.js. Key responsibilities include defining and evangelizing scalable, safe architectural patterns for AI integration, partnering with cross-functional teams to prototype, validate, and launch tools such as agents, copilots, and recommendation systems. The role also entails delivering trustworthy, performant, and maintainable AI features grounded in customer value and explainability, driving technical direction across multiple teams, providing mentorship, and elevating engineering quality and architectural clarity. Additionally, the engineer will lead complex, cross-functional initiatives from inception through delivery, resolving ambiguity and aligning stakeholders, while shaping strategic product direction by integrating technical insights, experimentation learnings, and innovation opportunities.