Elsha Negash
Full Java Stack Developer at Modern Treasury
- Role
- Full Java Stack Developer at Modern Treasury
- Location
- Arlington, VA, US
- LinkedIn followers
- 500 followers
About Elsha Negash
Desktop Support Specialist with hands-on experience delivering reliable technical support…
Experience
Full Java Stack Developer
Jun 2023 — Present · Boston, MA, US
Project: Digital Loan Servicing Portal Designed and developed a digital platform that allows borrowers to manage loan payments, view statements, track schedules, and communicate with loan agents. The system integrated securely with internal banking APIs and real-time transaction systems. Responsibilities: • Built backend microservices using Java 21, Spring Boot, Hibernate, focusing on transaction logic, payment processing, and customer notifications. • Developed and exposed RESTful APIs for loan history, EMI tracking, and customer profile management. • Created responsive UI views in React.js for payment dashboards, transaction overviews, and communication history. • Implemented JWT-based authentication and role-based authorization for borrowers and servicing staff. • Deployed application as Docker containers on AWS ECS, ensuring scalability and monitoring via AWS CloudWatch. • Improved API performance by implementing caching and optimized DB queries, reducing response time by ~40%. • Conducted code reviews, pair programming, and wrote unit/integration tests using JUnit and Mockito, maintaining 85%+ coverage. • Created front-end interfaces using HTML 5, CSS 3, JavaScript and jQuery, integrating them with Spring Boot.• Employed the Spring MVC application framework to configure Java beans using Spring IoC, along with Spring Data and Hibernate for transaction management.• Built RESTful services using the Spring Framework, implementing access control features like authentication and authorization with Spring Security, OAuth 2.0, and JWT.• Implemented a microservices architecture with Spring Boot services communicating through REST and Apache Kafka as message brokers• Developed RESTful web services by creating a Node.js server to manage requests from front-end jQuery Ajax calls.• Developed reusable services for core banking modules, encompassing loan processing, account management, and fund transfers
Education
Dilla University
Bachelor's degree
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