Java Back End Kafka Developer

Work with top-tier engineers on mission-critical systems for global-scale ad operations.

We’re hiring a Java-21 Dev-Engineer to join our growing team. You’ll be part of the Billing team, a core area handling high-throughput financial operations that directly impact global advertising services.

You’ll design backend services that support our billing infrastructure, ensuring real-time performance, data integrity, and system resilience.

Design and implement scalable backend services with Java21 and Dropwizard

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

Languages: Java-21

Cloud/Infra: AWS (EKS, ALB, S3)

Testing: JUnit

Vacation premium 50%, 5 PTOs, 3 sick days, 10 guaranteed public holidays per year

• Major medical insurance, Dental and Vision plan for an employee and direct family members
• Life Insurance and funeral expenses
• Opportunity to work on bleeding-edge projects with a highly motivated and dedicated team all over the world
• Professional development opportunities (Linkedin Learning, Cloud certification programs, access to corporate LMS integrated with other learning platforms)
• Well-equipped office in a business area of Guadalajara (quiet room, games room, air hockey, PS5, Nintendo Switch and Xbox Series X, pool table, ping pong, snacks, smoothies, and much more)
• Corporate social events (yoga, massages, sport tournaments, discussion panels, technical talks, lunch & learns)
• Opportunity to relocate to another country where the company's offices are present.

GDYN) is a leading provider of technology consulting, platform and product engineering, AI, and advanced analytics services.GDYN) is a leading provider of technology consulting, platform and product engineering, AI, and advanced analytics services.A key differentiator for Grid Dynamics is our 8 years of experience and leadership inenterprise AI , supported by profound expertise and ongoing investment indata ,analytics ,cloud & DevOps ,application modernization and customer experience .Founded in 2006, Grid Dynamics is headquartered in Silicon Valley with offices across the Americas, Europe, and India. Social profile

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Consent to the processing of personal data in future recruitment processes*

I hereby give my consent to the Grid Dynamics Group to process my personal data contained in the application documents for the purpose of using my application in future recruitment processes. All qualified applicants will receive consideration for employment without regard to, and will not be discriminated against based on, age, race, gender, color, religion, national origin, sexual orientation, gender identity, veteran status, disability or any other protected category.