Senior Backend Engineer — AI-Driven Java & Python

Epsilon, a Publicis Groupe subsidiary, seeks a Senior Software Engineer to design, build, and scale robust backend systems using Java and Python in an Agile environment. The role emphasizes spec‑driven AI‑assisted development and production‑quality coding with modern AI tools to accelerate delivery. You will lead design discussions, collaborate across teams, and own complex production issues while shaping enterprise‑grade solutions in a data‑driven, cloud‑native setting.