Yeabsira Abegaz
Full Stack Developer (Java)
Results-driven Full Stack Developer with a proven track record of building high-impact, revenue-generating applications. Engineered a React-based donation platform that collected $15+ million in 2025. AWS Certified Developer with two Master's degrees in Computer Science.
About Me
Results-driven Full Stack Developer with a proven track record of building high-impact, revenue-generating applications. Engineered a React-based donation platform that collected $15+ million in 2025, with a single-day peak of $4+ million during an annual donation campaign. Expertise in Java, JavaScript, React, Spring Boot, and Microservices architecture.
Skilled in integrating complex payment systems (Apple Pay, PayPal, Venmo), building real-time data pipelines, and deploying cloud-native solutions on AWS. AWS Certified Developer with two Master's degrees in Computer Science and a strong foundation in Agile methodologies.
Experience
4+ Years
Education
2 Master's Degrees
Certified
AWS Cloud Dev
Skills & Technologies
Experience
Full Stack Developer II
- Engineered a high traffic React application processing hundreds of thousands of online donations, collecting $15+ million in revenue in 2025
- Achieved a single-day transaction peak of $4+ million, validating platform scalability and fault tolerance during extreme traffic surges
- Integrated Apple Pay, PayPal, and Venmo payment methods into the donation platform, broadening donor accessibility and increasing completion rates
- Developed secure backend systems in Java and Spring Boot to authorize and process payments across multiple platforms, ensuring PCI compliance
- Designed and built a Java/Spring Boot microservice to extract transaction data, transform to JSON, and publish to RabbitMQ for real-time consumption
- Built a Jenkins-orchestrated Java application to push transaction data to RabbitMQ, feeding an AWS Glue powered data lake for advanced analytics
Portal Programmer I
- Developed a RESTful microservice to deliver real-time online donation gift details to a React frontend, improving user experience
- Created an OSGi-based service leveraging RabbitMQ for real-time synchronization of gift data between a legacy system and Liferay
- Built a Spring Boot microservice with a scheduled job to fetch data from Liferay and upload to AWS S3, streamlining data storage
- Automated large-scale data migration by writing a Groovy script to import thousands of rows of Excel data into Liferay, reducing processing time
System Administrator I
- Managed and deployed a distributed biometric attendance system across multiple branches, improving workforce tracking and payroll accuracy
- Administered SQL databases and integrated payroll systems, ensuring data integrity and timely processing for hundreds of employees
- Provided technical support to IT and HR teams, troubleshooting and resolving issues with the biometric attendance system
Education
Master of Science in Computer Science
Maharishi International University
Master of Science in Computer Science
Advanced Systems Dependability
University of Lorraine, France & University of Maynooth, Ireland
Bachelor of Science in Information Systems
Addis Ababa University
Get in Touch
I'm always open to discussing new projects, opportunities, or partnerships. Whether you have a question or just want to say hello, feel free to reach out!