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Abolfazl Ansari
Open to opportunitiesSenior Java Developer
I build scalable Java and Kotlin fintech systems and production microservices.
ArmeniaSenior Java Developer at Energize Global Services Armenia – WorldLine
About
At Energize Global Services for Worldline, I develop and optimize Java/JavaEE FinTech products for batch transaction processing at European banks, resolving 30+ security vulnerabilities and 100+ performance issues. I work across distributed teams in France, Germany, Belgium, and the Caucasus region.
I've built high-throughput services for Café Bazaar, processed up to 2 million Kafka events daily at Tapsell, and delivered a Spring Boot payments backend serving 100,000+ active clients at Jiring. My work spans Java, Kotlin, microservices, Kubernetes, cloud platforms, architecture, DevOps, and reliable production infrastructure.
Experience
Senior Java Developer
Developed and optimized core Java/JavaEE FinTech products in partnership with Worldline, supporting batch transaction processing for European banks. Identified and remediated critical security vulnerabilities and performance issues.
JavaOracle DatabaseIBM WebsphereLDAP
Education
Sharif University of Technology
Pursued a Master of Science in Information Technology Engineering, achieving a GPA of 17.5 out of 20.
Sharif University of Technology
Completed a Bachelor of Science in Information Technology Engineering with a GPA of 17.0 out of 20.