Senior Rust Engineer

Full-time Engineering

About the Role We are looking for a Senior Rust Engineer to join our Barcelona team and contribute to building high‑performance, real‑time systems powering our ML‑driven Ad Tech platform (Mobile Growth Platform). In this role, you will work on core backend infrastructure and ML platform components, focusing on low‑latency, high‑load services that process large‑scale traffic in real time. You will play a key role in developing and optimizing systems such as real‑time applications, feature stores, user identity services, and custom inference layers, ensuring scalability, reliability, and performance. Responsibilities Contribute to the development of real‑time applications and ML platform components Build and maintain high‑load, low‑latency backend services Work on in‑house solutions including: Feature stores User identity services Custom inference layer ML platform infrastructure Optimize system performance across on‑premise Docker & Kubernetes environments Design and implement solutions...