Efstathios Papafotis

Specialized in developing and maintaining high-performance, scalable systems for document processing, utilizing Java 21, Docker, AWS (S3, EC2), and Hazelcast. Designed and implemented non-blocking, fault-tolerant applications using Spring Integration with RabbitMQ to ensure seamless message processing in distributed systems. Optimized performance and reliability in complex, low-latency environments handling massive daily data volumes.

Software Engineer III at Amdocs (2024-05 – Present)

• Specialized in developing and maintaining high-performance, scalable systems for document processing, utilizing Java 21, Docker, AWS (S3, EC2), and Hazelcast.
• Designed and implemented non-blocking, fault-tolerant applications using Spring Integration with RabbitMQ to ensure seamless message processing in distributed systems.
• Optimized performance and reliability in complex, low-latency environments handling massive daily data volumes.

Software Engineer II at Amdocs (2022-05 – 2024-04)

• Implementing performance enhancements in the online ordering system, reducing order processing time by 15% that led to a 10% increase in customer satisfaction.
• Engaging in the redesign and optimization of the system's architecture to handle a 25% increase in simultaneous user interactions during peak hours, in a 30 million active subscriber user base.
• Mentoring Junior developers through code reviews and pair programming.

Software Engineer I at Amdocs (2020-05 – 2022-04)

• Designed and implemented a mock data generation tool, which replaced entirely the team of human testers responsible for this task.
• Developed tools in Java to verify the successful DB migration of customer data.
• Created Bash scripts that reduced the testing time by 90% for Linux Daemons running Billing.
• Configured Jenkins pipelines to maintain system health following new code commits.

Bachelor of Engineering in Computer Engineering and Informatics – Cyprus University of Technology (2016-09 – 2021-06)