• Designed and maintained robust two-factor authentication processes, achieving a 40% reduction in error rates and resolving 70% of customer issues across SME and retail banking products. • Optimized database infrastructure by migrating to a new system, eliminating 85% of data inconsistencies and perfor mance lags. • Conducted comprehensive security analysis, identifying and mitigating three critical data vulnerability points. • Developed APIs and implemented features to improve two-factor authentication and streamline login processes, in creasing product usage by 30%. • Contributed to sprint-based development projects, showcasing adaptability and proficiency in learning and applying new technologies,