Wondwosen Muhea

About Wondwosen Muhea

A seasoned Senior backend developer with 7+ years of professional experience, performs strongly as either independent or in teams throughout all phases of the software development life cycle (SDLC). Worked on multiple projects concurrently while adhering to strict timelines, and requirements. Strong interpersonal, communication, and analytical skills with understanding of organizational functioning. Two times Citi monthly Gratitude award receiver for taking ownership and delivering complex featuresSkilsJava 8/11/17/21 | SQL | Spring MVC | Spring Boot | Spring Security | HIbernate ORM | MyBatis | Elasticsearch | NoSQL | Git | Black Duck | SonarQube | AWS S3 | ECS | CI/CD | JUnit || Test containers | Jenkins | Teamcity | UDeploy | Openshift | Quartz Scheduler | Kafka | GraphQL | RESTful APIs | JSON | XML | Monolithic | Microservices | Backend | Maven | Gradle

Experience

1. Sr Software Engineer

   Kforce Inc

   Dec 2023 — Present

   Actively contributed to a taskforce selected to diagnose and fix causes of frequent register reboots that causes major revenue loss across the US and Canada Stores. Contributed to the migration of legacy promotion logics implemented with the Register app to new Promotion Engine, enhancing pricing accuracy and data modeling. Implemented features to enable the application of various types of promotions within the Register App. Played key role in the design and implementation of JWT authentication for secured API access Contributed to the migration of REST APIs for loyalty customer data and discount engines, improving performance and reliability. Conducted Production Readiness Analysis for various store checkout applications, covering observability, security, deployment, and alerting Developed observability dashboards using Looker, Grafana, and Prometheus Used GitHub Copilot to speed up documentation, unit tests, and boilerplate while retaining full ownership of system design and data-intensive backend logic. Fixed promotion stacking issue, preventing ~5% revenue loss per transaction Designed and implemented hold/release logic to safely void single-use promotions within the Register Analyzed and investigated promotion issues related to staged/normal orders across store checkout apps Developed a generic tool to compare REST API responses across versions running on different servers Developed Rest APIs and microservices using Java, DropWizard, JDBI, PostgreSQL Contributed to the integration of Elasticsearch search engine 8 with java Microservices Spearhead the migration of microservices connected to Elasticsearch from ELK 5 to 8 Wrote unit and integration tests for multiple backend components, achieving 80%+ test coverage Worked on Kafka-based data migration from PostgreSQL to Elasticsearch.

Education

• Universitat Rovira i Virgili

  Research, Electronics Engineerig ( Semiconductor device modeling)

  2016 — 2019

• Maharishi International University

  Master's degree, Computer Science

  2020 — 2022

• Universitat Rovira i Virgili

  Master's degree, Engineering and Technology of Electronic Systems

  2015 — 2016

• University of Hawassa

  Bachelor's degree, Electrical Engineering

  2002 — 2007