Senior Java Developer

1/2019 – offen

- Implemented a comprehensive plan together with two colleagues to rewrite the legacy payment processor system into a highly scalable cloud based solution
- Consolidated and refactored legacy codebase into Spring Boot microservices architecture, resulting in a 100 % decrease in time-to-market for new features and enhancements and highly improved scalability
- Increased the transaction processing capacity by 100% and reduced transaction time by 30%
- Coordinated a collaborative effort with the team to collect and review project documentation, paving the way for a comprehensive project rewrite
- Conducted comprehensive analysis of over 200k transactions daily, performing data validation and reconciliation, enabling successful implementation of the new project
- Taken the lead to develop a test framework to reconcile daily all the processed transactions after a good analysis with the team

Backend

6/2016 – 12/2018

- Developed an innovative healthcare systems solution for doctors, hospitals, and pharmacies, resulting in a 50% increase in patient satisfaction and a 25% reduction in medication errors
- Coordinated a team of six people with agile methodologies to have productive discussions with the product owner and helped the development team with technical solutions

Backend

7/2014 – 5/2016

- Created an innovative application that analyzed and logged statistics, enabling real-time event visualization; reduced data processing time by 30% and enhanced decision-making capabilities for the team
- Implemented an innovative application to that streamlined the tracking and support of airport/port personnel, resulting in a 50% reduction in response time during critical scenarios
- Arranged agile methodologies and mentored a team of five in executing technical projects; increased team efficiency by 30% and delivered more projects ahead of schedule

Backend