Software Engineer
At Mercantile, a fintech startup, our mission is to enhance the purchasing power of SMEs through our credit card and group purchasing offer (GPO), providing access to exclusive deals similar to those available to large corporations. The platform is continuously deployed, with several daily production releases, relying on a resilient event-driven architecture that ensures smooth transactions and service availability, as we cannot afford any errors.
- Led the development of key product features, including the first automatic payment system for credit cards with reward bonuses, virtual credit cards, and external financial institution integration for personalized offer suggestions.
- Streamlined operational workflows, reducing the time required to process user opt-ins from ~20 minutes to under 2 minutes, significantly lowering processing costs and enhancing customer satisfaction.
- Fostered a culture of rapid iteration and early feedback, enabling the delivery of new features several weeks faster by prioritizing functional solutions over perfection during initial iterations.
- Participated in the on-call rotation, ensuring system health and reliability, while continuously refining alerts to minimize false positives and improve incident response.