Full-stack, microservices, and transaction-processing solutions for the financial sector. Design and development of web, backend, and mobile solutions for banking, digital wallet, and card-processing products. Built scalable and secure microservices, REST/SOAP APIs, and automation for business-critical processes. Worked within agile squads using Scrum and Tribe models, contributing to business analysis, technical estimation, and production support. Maintained SQL Server databases, stored procedures, logging, and traceability for mission-critical environments.