Principal Software Engineer - Fullstack, AI (all genders)

We are looking for an experienced Principal Software Engineer (Fullstack, AI) to join the Learner Experience Cluster at Babbel and help shape the technology behind impactful, customer-facing learning experiences used by millions of learners worldwide.

A Principal Software Engineer at Babbel drives outsized, durable impact across multiple teams by shaping technical direction, improving system-level outcomes, and scaling the effectiveness of others. This is a role defined by influence, planning, and strong role modeling — not authority or heroics.

As a Principal Software Engineer in the Learner Experience Cluster, you operate at the intersection of deep technical judgment, product thinking, and organizational impact. You care deeply about how technology enables learning outcomes — and you bring the architectural range to keep complex, customer-facing systems coherent as they grow.

You are also fluent in AI-native engineering workflows and...