Experience Level
Language
Amharic
Intermediate
Javanese
Fluent
Work Experience
Senior Java Full Stack Developer at Delta Airlines
December 1, 2022 - PresentCollaborated with product owners and business analysts to define microservice boundaries and security requirements for internal travel systems; designed and built microservices with Java 11, Spring Boot, and Quarkus, using modern Java features for readability and performance. Implemented RESTful APIs integrated with AWS (API Gateway, DynamoDB, S3), and Kafka-based event streams. Created CLI tools and deployment scripts with AWS Lambda; led tests with JUnit/Mockito and maintained CI/CD pipelines using Jenkins, Docker, OpenShift, and CloudFormation. Managed secure configurations with KMS/IAM/Secrets Manager and ensured observability via CloudWatch, Prometheus, and Grafana.
Sr. Full Stack Developer at Vanguard
May 1, 2022 - November 1, 2022Led integration of Transmit Security MFA modernization, replacing RSA-based authentication. Implemented identity workflows using Transmit Security APIs for secure, role-based access; supported Apache Camel routing for MFA orchestration. Administered credentials with AWS Secrets Manager and built reusable NPM modules to automate security configuration. Monitored authentication activity with Splunk Cloud; established CI/CD pipelines with Bamboo and Bitbucket.
Sr. Full Stack Developer at Delta Airlines
August 1, 2021 - April 1, 2022Developed RESTful microservices using Java 11, Spring Boot, and Quarkus; leveraged AWS CDK/CloudFormation (API Gateway, S3, Secrets Manager, Lambda). Built and maintained CI/CD pipelines with Jenkins, OpenShift, and AWS CodePipeline for deployments to Kubernetes. Integrated Salesforce data flows via AppFlow, Lambda, and Step Functions; implemented observability with CloudWatch, Prometheus, and Grafana. Version control with Git and ClearCase; contributed to UI enhancements with Angular when needed.
Senior Java Full Stack Developer at Fiserv
October 1, 2020 - July 1, 2021Designed RESTful APIs and microservices using Java 8, Spring Boot, and Spring Security; built cloud-native services on PCF and Kubernetes with Docker. Implemented Kafka producers/consumers for real-time payment processing and tuned configurations for fault tolerance. Front-end components built with Angular 7/8; CI/CD pipelines with Jenkins and UNIX shell scripts; unit testing with JUnit and Postman; logging with Log4j.
Java Developer at U.S. Bank
April 1, 2019 - September 1, 2020Developed reusable React UI components with TypeScript; participated in architecture discussions to define microservice boundaries and API contracts. Built RESTful APIs and microservices using Java 8, Spring Boot, and Spring MVC. Configured Kafka brokers/clusters and developed producers/consumers for real-time processing. Integrated front-end with back-end via Angular 2/4; containerized with Docker and orchestrated with Kubernetes; CI/CD with Jenkins and Maven. Used Apigee API Gateway for authentication and security.
Java Full Stack Developer at CSX Technology
June 1, 2018 - March 1, 2019Maintained data models (track conditions, engine status, shipments, weather, tonnage) and improved performance by migrating applications from ANT to Maven. Developed responsive UI with Angular 2/4 and PrimeFaces; wrote optimized SQL/PL-SQL for Oracle 12c. Deployed on WebSphere Liberty Server and OpenShift; configured JMS queues and timers. Built RESTful services with Spring Boot; CI/CD with Bamboo, Docker, and Git.
Java Developer at Navy Federal Credit Union
January 1, 2017 - June 1, 2018Engineered microservices and REST APIs (Spring Boot, JAX-RS); built GUIs with React.js and AngularJS. Integrated messaging (JMS, AWS SQS) for real-time transactions. Documented APIs with Swagger/OpenAPI; led CI/CD automation, regression tests, and environment sanity checks. Implemented data privacy, RBAC, encryption; integrated MongoDB, Oracle, and NoSQL. Mentored juniors and promoted Agile practices.
Java Developer at Infobox
July 1, 2015 - December 1, 2016Delivered REST APIs in Java/Spring and led front-end development using AngularJS/React.js; migrated legacy JSF apps to AngularJS to improve UX. Implemented API gateway caching and automated test strategies/UAT; maintained coding standards and documentation; used Hibernate ORM for data mapping and performance.
Education
Masters in Computer Science at University of Illinois, Springfield
January 11, 2030 - December 16, 2025Qualifications
Industry Experience
Software & Internet, Financial Services, Travel & Hospitality, Professional Services, Other
Experience Level
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