Developed a comprehensive payment service, currently supporting around 8 payment methods across 2 distinct gateways. Designed a flexible architecture enabling seamless integration of new payment methods, drastically reducing integration timelines to 3 days for methods and 2 weeks for gateways.
Engineered an intelligent routing engine to automate gateway selection, resulting in a notable 700 basis points increase in authorization rates and an approximately 8% decrease in costs.
Established an infrastructure to streamline automated refund processes.
Provided leadership in diversifying into new verticals such as airport transfer, shared transfer, and seat-related products.
Offered mentorship to junior team members and fostered inter-team collaboration to implement processes aimed at improving efficiency and accuracy.
Diligently worked on legacy projects, removing deprecated code and reducing project sizes by 40%.
Took ownership of critical APIs, significantly reducing overall latency by 30%.
Software Engineer
Wissen Technology
06.2019 - 10.2021
Engineered the backend application for facilitating seamless security transfers between brokers.
Designed and implemented a backend application for money market trading, incorporating automatic purchase and redemption functionalities.
Implemented test-driven development and automated deployment strategies within the project, enhancing system stability and enabling early detection of bugs to prevent potential production issues.
Created a cross-platform mobile application UI for efficient employee and client management within the organization.
Spearheaded the development of an interview management system, overseeing both frontend and backend components.
Utilized technologies such as Java, Spring Boot, Hibernate, React Native, TypeScript, MongoDB, Sybase ASE, Kafka, and Jenkins in project executio