Payment systems and fintech software for Latin American institutions
Eldar builds transactional software and solutions for payment processors and financial institutions across Latin America, with 15+ years in the space. The stack—Java, Spring Boot, Kafka, PostgreSQL, Cassandra, ISO 8583—reflects a mature backend architecture for high-volume, mission-critical payment flows. Active hiring skews senior and technical (7 engineering roles, 5 senior positions), while pain points cluster around talent retention and data pipeline challenges, suggesting infrastructure scaling and team stability are parallel priorities.
Notable leadership hires: Tech Lead, Java Lead
Eldar is a Buenos Aires–based software firm focused on payment systems, transaction platforms, and fintech solutions for medium-market and enterprise clients across Latin America. The company has operated since 2009 and maintains a 51–200-person team with deep expertise in payment industry architecture, compliance, and regional deployment. Current work spans POS applications, QR-based payment operations, ISO 8583 messaging platforms, and data consolidation tooling for financial dashboards. They operate in Argentina and Brazil and partner with regional and global payment technology vendors.
Java, Spring Boot, Kafka, PostgreSQL, Cassandra, Android, AWS, Azure, GCP, Kubernetes, Docker, and ISO 8583 messaging protocols. Also uses RabbitMQ, Jenkins, Git/GitLab CI/CD for delivery.
POS Android application development, QR-based payment operations, ISO 8583 platform modernization, data consolidation for dashboards, and regional technology leadership initiatives across their client base.
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