dhanibaharzah

Built and maintained backend systems for Bayar Tempo, Paylater, Pinjaman Instan, BukaCicilan, and Mitra Cash Loan, enabling automated financing flows serving over 50,000 SMEs nationwide. Identified and mitigated Rp1.9B fraud incident through transaction anomaly detection and policy refinement; integrated preventive monitoring workflows into production. Refactored high-load payment orchestration services and asynchronous job queues, improving transaction throughput by 40% and system reliability under peak load. Optimized PostgreSQL queries, Redis caching, and GCP resource utilization, cutting cloud infrastructure costs by more than Rp25M per month. Developed observability dashboards with ELK and Datadog to track SLAs and error rates, reducing incident resolution time by 50%. Contributed to secure coding practices and peer code reviews, ensuring compliance with Bukalapak’s internal data governance and financial security standards.

Developed core framework for Accounting & E-commerce system. Collaborated on scalable web and mobile solutions for enterprise clients.