Sr Java Backend Developer (Guadalajara)

We are hiring a Java-21 Dev-Engineer to join our Billing team, a core area handling high-throughput financial operations that directly impact integral advertising services.

Working hours must fully overlap with 9AM–6PM Central Time.

• Design and implement scalable backend services with Java 21 and Dropwizard.
• Develop and maintain robust RESTful APIs.
• Optimize and manage Oracle 12 and Cassandra databases.
• Integrate services using Apache Kafka in an event-driven architecture.
• Monitor and maintain system health and performance.
• Write unit tests with JUnit and participate in code reviews.
• Collaborate closely with frontend, QA, and product teams.

• Strong experience with Java 21.
• Experience with cloud and infrastructure services on AWS (EKS, ALB, S3).
• Proficiency in unit testing with JUnit.
• Knowledge o...