Principal Frontend Engineer

The Principal Frontend Engineer will own and articulate the long-term technical vision and architectural strategy for Paddle's frontend ecosystem, aligning it with product and company goals. They will define durable frontend architectural patterns, component libraries, and design systems to enable multiple teams to build consistently and safely at speed. This role involves championing innovation in user experience technology, driving adoption of emerging frontend patterns for measurable improvements in performance, accessibility, and developer velocity. The engineer will initiate and drive large, complex programs of work to simplify frontend systems, improve performance metrics, and accelerate feature delivery. They will serve as the decision-maker on high-stakes technical choices and architectural trade-offs in frontend technologies, ensuring durable, high-quality outcomes. Additionally, they will develop deep product fluency, connect frontend architecture decisions to user satisfaction and business metrics, partner with Product and Design to implement ambitious user experience ideas, and elevate frontend operational excellence by establishing monitoring, performance profiling, and debugging patterns. This position also includes mentoring Staff and Senior engineers, growing frontend technical leadership capability, championing engineering excellence, and representing Paddle's frontend technical direction in executive and cross-functional forums.