JavaBackendEngineer

We’re looking for a**Java Backend Engineer** to join LoopMe — a global AI-powered ad tech company redefining how brands connect with consumers across the open internet. In this role, you’ll help build and scale our **Data Management Platform (DMP)** — a massively distributed, high-throughput system processing **billions of events daily** , creating rich device and audience profiles, and exporting data segments to **50+ global partners and exchanges** in real time. You’ll work on complex backend challenges around **performance, scalability, data pipelines, and real-time processing** , helping power the infrastructure behind large-scale advertising auctions and audience targeting. This is an opportunity to work on truly **high-load systems** , collaborate with experienced engineers, and have direct impact on a product used by some of the biggest players in the ad tech ecosystem. ### What you'll be doing: * Developing features and optimizing performance for large-scale data pipelines (Spark jobs, HBase, Kafka) * Designing and optimizing data schemas for relational and NoSQL databases * Building microservice applications ### Core qualifications: * 2+ years of engineering experience * Proficiency in Java with a strong understanding of concurrency and distributed systems * Experience with Spring Framework or similar IoC frameworks * Experience with JPA or other ORM frameworks * Strong knowledge of SQL and experience with modern RDBMS (PostgreSQL) * Self-motivated, reliable, and comfortable working across a large multi-module codebase ### Additional experience we’d value: * Experience with Apache Spark or other large-scale data processing frameworks * Experience with HBase or other NoSQL/columnar stores * Experience with Kubernetes * Experience with Kafka * Experience with AI/LLM integrations in backend services ### Benefits * Flexible working schedule with a hybrid type of work * Annual performance bonus * One month of workation (you can work from any part of the world fo