Asterios Lentzos
Delivering robust backend payment microservices for modern banking systems.
Athens, GR
Full time
Hybrid
Experienced Java Software Engineer specializing in backend payment systems with 4 years in the banking sector. Has delivered and migrated complex microservices...
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My Career Journey
1/2
Agile Actors, External Partner at Eurobank S.A.
Java Software Engineer – Payments Team
Aug 2022 - Present | 4y 1m
Athens, GR
Designed and delivered SEPA-compliant verification microservices, migrated core payment systems and external-partner integration platforms, built file payment pipelines and event-driven services. Implemented...
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ICS-FORTH
Android Developer – Bachelor’s Thesis
Sep 2021 - Mar 2022 | 6m
Heraklion, GR
Built a native Android app for ProximIoT research project, enabling real-time push notifications using OneSignal API. Integrated RabbitMQ for distributed event handling and MySQL for managing retail subscriptions...
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Problem Solving
Delivery Focused
Calmness Under Pressure
Persistence
Knowledge Transfer
Quality Assurance
Detail Oriented
Most proud of (2/3)
1st
Designed and delivered SEPA-compliant verification microservices and migrated core payment systems.
2nd
Fixed a tricky payment verification bug, spotted timing issue that could duplicate transactions, shipped tests green.
Career Highlights
1/1
Payments migration — reliability fix
Stopped duplicate transactions during payments migration
Athens, GR,
During a high-risk payments migration I spotted a subtle timing issue that could produce duplicate...
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My values
Reliability
Problem Solving
Communication
Accountability
Education
University of Crete
Computer Science
2022
Certifications & Qualifications
AZ-900: Microsoft Azure Fundamentals
Microsoft2023
Certification in Inheritance and Data Structures in Java
University of Pennsylvania2022
Certificate of Proficiency in English (ECPE)
University of Michigan2015
Language(s) I speak
Greek
Fluent
English
Fluent