Daniel Abrha

About Daniel Abrha

Sr. full-stack Java Engineer with 7+ years of professional experience developing enterprise applications for the IT sector. Solid expertise in Software Design Life Cycle (SDLC) to create new systems and customize existing applications. Experienced with Angular, AngularJS, Spring, Hibernate, NodeJS, express, microservices, RESTfull web application, SQL, and NoSQL databases. Demonstrated strength in learning and applying the latest technologies to improve competitiveness. Outstanding communication skills. Skills Languages: Java, C#Web: HTML, CSS, JavaScript, TypescriptWeb Services: RESTful, MicroservicesWeb and Application Servers: Apache Tomcat Frameworks: Spring, Spring Boot, Hibernate, ASP.Net MVC, Entity, NodeJS, Express, AngularDatabases: SQL Server, PostgreSQL, MySQL, MongoDB Design Patterns: Singleton, Prototype, Session, Dependency Injection, Factory, Observer, Command, Strategy, Proxy, State, Iterator SDLC: Agile, Waterfall, TDDTools: Git, Docker, Trello, Teams, Postman, Maven, Star UML, JUnit, Spring Cloud, CI/CD with Jenkins, Apache Kafka. Platforms: Window, Linux

Experience

1. Sr Software Engineer

   Kin Carta

   Feb 2022 — Present · US

   Kin + Carta (Client: Discover & Wayfair)Chicago, IL | Feb 2022 – PresentAs a Senior Software Engineer at Kin + Carta, I’ve led high-impact projects for enterprise clients in finance (Discover) and e-commerce (Wayfair), delivering scalable, secure, and high-availability systems using modern cloud and microservices architectures. Discover (Feb 2023 – Present)Built microservices and RESTful APIs using Java, Spring Boot, and PostgreSQL.Integrated Kafka and RabbitMQ for asynchronous and real-time processing.Deployed services on AWS and OpenShift; improved observability using Splunk and AppDynamics.Collaborated on React-based micro-frontends and implemented test automation with JUnit, Mockito, and Karate.Led performance tuning efforts, achieving a 20% improvement in throughput and 30% less downtime. Wayfair (Feb 2022 – Jan 2023)Delivered mission-critical features (dynamic pricing, inventory tracking) using Spring Boot, GraphQL, and Angular/NgRx.Managed CI/CD using Docker, Jenkins, and Kubernetes, improving deployment efficiency by 25%.Implemented authentication, OAuth2, and role-based access control.Drove front-end modernization and test automation with Selenium and TestNG.Ensured 99.99% uptime by collaborating with global teams on robust system design. Stack Highlights:Java, Spring Boot, Angular, React, Kafka, PostgreSQL, GraphQL, Docker, Jenkins, Kubernetes, OpenShift, AWS, Splunk

Education

• Maharishi International University

  Master's degree

  2021 — 2023

• Addis Ababa Science and Technology University

  Bachelor's degree

  2015 — 2019