Jennie Florensia

I’m a Backend Engineer with 3+ years designing and maintaining high-availability ATM transaction systems for financial institutions. I focus on secure transaction processing, ISO 8583/message switching, and PCI DSS compliance to ensure payment flows are reliable and auditable.

In my current role at PT. Bank Central Asia Tbk, I collaborated with business teams in an Agile/Scrum environment to deliver backend features from business requirements. I implemented ISO8583 protocol flows—request, response, reversal, and advice—and built backend services for DDM using Kotlin and PostgreSQL.

I also help improve operational excellence through CI/CD automation and dependable deployment practices, including Jenkins pipelines. My background emphasizes low-latency performance, reconciliation, fraud detection, and fault-tolerant architectures for secure integrations with core banking systems and payment networks.

Beyond fintech, I’ve built products in games and mobile development—optimizing localization with I2 Localization, contributing to DLC/features, and participating in Nintendo Switch porting. I’ve also published research in iJIM and completed an AI and Machine Learning course (Python), reflecting how I like to keep learning and applying new skills to real systems.