CAREER PROFILE
Senior Backend Engineer with experience building scalable payment, fraud prevention, and risk decisioning systems for global travel platforms. Specialized in distributed systems, payment orchestration, PSP integrations, and configurable rule engines supporting real-time business decisions at scale.
EXPERIENCES
Senior Backend Engineer in the Fintech Department, building scalable payment and fraud-prevention solutions for global markets.
Precision Solution / Rule Engine Team (2024 – Present)
- Designed and developed a configurable business rule engine for fraud prevention and risk decisioning.
- Enabled business users to define and manage fraud detection rules without code deployments.
- Built services supporting real-time risk evaluation and automated decision-making workflows.
Customer Payments Team (2021 – 2024)
- Developed and maintained payment orchestration services integrating multiple PSPs including Adyen, Checkout.com, Klarna, Google Pay and Apple Pay.
- Supported localized payment methods across international markets.
- Built scalable backend services handling high-volume payment transactions.
Technologies: Java, Spring Boot, AWS, Docker, Jenkins CI/CD, C#, ASP.NET Core
Casino platform engineer working on the Game Development Module (GDM), a game server providing end-to-end game development and deployment capabilities, integration with the Open Gaming System (OGS), and a comprehensive suite of game development tools.
Technologies: Java, Spring Boot, Spring Cloud, Docker, Jenkins CI/CD, Prometheus, Grafana, PostgreSQL
Developed and enhanced large-scale telecom charging and billing platforms using Java and Spring, including Vodafone's Metranet billing solution and prepaid systems serving operators such as Cosmote and Vivacom.
Technologies: Java, Spring Framework, Spring Boot, Microservices, Hibernate, Oracle, SQL Server, MySQL, SOAP & REST APIs
EDUCATION
Specializations: Software, Networking