Java Developer

LoopMe is an AI company that solves advertising measurement and performance challenges. The platform utilizes patented machine learning models to process consumer signals in real time, optimizing campaigns for outcomes such as purchase intent and brand lift. The company operates a high-load programmatic infrastructure that handles millions of ad requests per second with sub-200ms response times.

• Develop features and optimize performance for large-scale data pipelines built on Spark, HBase, and Kafka;
• Design and optimize data schemas for relational and NoSQL databases;
• Build and maintain microservice applications across a large multi-module codebase;
• Own work end to end from design through to production delivery.

• 2+ Years of backend engineering experience;
• Proficiency in Java with a strong understanding of concurrency and distributed systems;
• Experience with Spring Framework or a comparable IoC framework;
• Experience with JPA or another ORM framework;
• Strong SQL skills and experience with PostgreSQL or a modern RDBMS;
• Nice to have: Experience with Apache Spark or another large-scale data processing framework, familiarity with HBase or other NoSQL/columnar stores, experience with Kubernetes and Kafka, experience integrating AI or LLM capabilities into backend services.

• Hybrid working;
• Flexible schedule;
• 1 Month work-from-anywhere;
• Annual performance bonus;
• Multikafeteria (sport/culture card);
• LoopMe Gives Back;
• Learning & development support.