Description
Avenga is hiring a Senior Mainframe Developer (COBOL) in Buenos Aires, CABA, to develop, maintain, and enhance mission-critical COBOL applications supporting core banking products and payment ecosystems. The role covers accounts, deposits, cards, transaction processing, payment services, and banking modernization, with responsibilities including requirements analysis, application troubleshooting, testing, performance optimization, and stakeholder collaboration. The position is hybrid, requiring on-site work three times per week in CABA.

