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Hi, I’m Medhanie Araya, a Java software developer based in Chicago with 6+ years of experience building scalable enterprise applications for healthcare, banking, and technology sectors. I specialize in Java SE, Spring Boot, microservices, REST APIs, Kafka, SQL/NoSQL, and cloud-native development across AWS, Azure, and GCP. I’ve consistently improved system performance, cut deployment times, and enhanced API responsiveness through microservice modernization, JVM tuning, and database optimization. I’m proficient in CI/CD, Docker/Kubernetes, and IaC with Terraform, and I prioritize secure coding, test coverage, and collaborative cross-functional delivery in Agile/Scrum environments. I’m passionate about delivering reliable software and mentoring teams toward clean architecture and high-performance distributed systems.…Hi, I’m Medhanie Araya, a Java software developer based in Chicago with 6+ years of experience building scalable enterprise applications for healthcare, banking, and technology sectors. I specialize in Java SE, Spring Boot, microservices, REST APIs, Kafka, SQL/NoSQL, and cloud-native development across AWS, Azure, and GCP. I’ve consistently improved system performance, cut deployment times, and enhanced API responsiveness through microservice modernization, JVM tuning, and database optimization. I’m proficient in CI/CD, Docker/Kubernetes, and IaC with Terraform, and I prioritize secure coding, test coverage, and collaborative cross-functional delivery in Agile/Scrum environments. I’m passionate about delivering reliable software and mentoring teams toward clean architecture and high-performance distributed systems.

Medhanie Araya

Back-End Developer, Full Stack Developer, Web Developer, +2

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Hi, I’m Medhanie Araya, a Java software developer based in Chicago with 6+ years of experience building scalable enterprise applications for healthcare, banking, and technology sectors. I specialize in Java SE, Spring Boot, microservices, REST APIs, Kafka, SQL/NoSQL, and cloud-native development across AWS, Azure, and GCP. I’ve consistently improved system performance, cut deployment times, and enhanced API responsiveness through microservice modernization, JVM tuning, and database optimization. I’m proficient in CI/CD, Docker/Kubernetes, and IaC with Terraform, and I prioritize secure coding, test coverage, and collaborative cross-functional delivery in Agile/Scrum environments. I’m passionate about delivering reliable software and mentoring teams toward clean architecture and high-performance distributed systems.…Hi, I’m Medhanie Araya, a Java software developer based in Chicago with 6+ years of experience building scalable enterprise applications for healthcare, banking, and technology sectors. I specialize in Java SE, Spring Boot, microservices, REST APIs, Kafka, SQL/NoSQL, and cloud-native development across AWS, Azure, and GCP. I’ve consistently improved system performance, cut deployment times, and enhanced API responsiveness through microservice modernization, JVM tuning, and database optimization. I’m proficient in CI/CD, Docker/Kubernetes, and IaC with Terraform, and I prioritize secure coding, test coverage, and collaborative cross-functional delivery in Agile/Scrum environments. I’m passionate about delivering reliable software and mentoring teams toward clean architecture and high-performance distributed systems.

Available to hire

Hi, I’m Medhanie Araya, a Java software developer based in Chicago with 6+ years of experience building scalable enterprise applications for healthcare, banking, and technology sectors. I specialize in Java SE, Spring Boot, microservices, REST APIs, Kafka, SQL/NoSQL, and cloud-native development across AWS, Azure, and GCP. I’ve consistently improved system performance, cut deployment times, and enhanced API responsiveness through microservice modernization, JVM tuning, and database optimization.

I’m proficient in CI/CD, Docker/Kubernetes, and IaC with Terraform, and I prioritize secure coding, test coverage, and collaborative cross-functional delivery in Agile/Scrum environments. I’m passionate about delivering reliable software and mentoring teams toward clean architecture and high-performance distributed systems.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Java/Software Developer at UnitedHealth Group

June 1, 2024 - Present

Developed and maintained Java Spring Boot microservices, improving scalability and reducing API response time by 30%. Built and consumed RESTful APIs for enterprise healthcare platforms. Refactored legacy modules to reduce memory usage by 20–25%. Implemented data access layers using Spring Data JPA/Hibernate, improving query efficiency. Wrote complex SQL queries and procedures, achieving 35% performance improvements in the database. Implemented JUnit and Mockito tests with 85–90% coverage. Containerized applications with Docker and deployed on Kubernetes, reducing deployment failures by 40%. Integrated real-time data pipelines using Kafka to increase throughput. Participated in Agile ceremonies, contributing to 95% on-time sprint delivery. Built CI/CD pipelines with Jenkins and GitHub Actions, cutting manual deployment time by 80%. Conducted code reviews and enforced coding standards, reducing production defects by 25%. Implemented OAuth2/JWT security, enhanced API security. Resolv

Java Software Developer at Citi

May 1, 2022 - June 1, 2024

Designed and implemented RESTful APIs integrated with enterprise systems, improving data exchange performance by 30%. Built and maintained event-driven architecture using Kafka, increasing message throughput and resilience by 40%. Developed microservices with Spring Boot, improving reliability and reducing defects by 25%. Optimized SQL queries in Oracle/PostgreSQL, reducing execution time by 35%. Implemented CI/CD pipelines using Jenkins, GitLab CI, and Maven, accelerating deployment frequency by 50%. Integrated security (OAuth2, JWT, TLS) and RBAC. Conducted unit, integration, and regression testing with JUnit/Mockito/Selenium, achieving 85%+ test coverage. Improved performance via JVM profiling and memory tuning, achieving 20–30% faster response times. Migrated legacy monoliths to microservices and implemented Redis caching, reducing API response times by ~40%. Created API documentation with Swagger/OpenAPI. Automated builds for Java apps on Linux/Unix, increasing efficiency by 25%

Java Software Developer at EriSol IT Solutions

February 1, 2017 - May 1, 2019

Built and optimized REST API endpoints; developed microservices using Spring Boot and Maven to improve modularity and deployment speed. Integrated applications with MySQL/PostgreSQL via Hibernate/JPA, achieving 15% query efficiency improvements. Implemented scalable multithreaded components for high-volume data processing. Participated in Agile/Scrum ceremonies to improve team delivery efficiency by 20%. Implemented JUnit and Mockito test cases with 80–90% coverage across critical modules. Collaborated with DevOps to deploy applications on Tomcat/Linux servers and CI/CD pipelines. Refactored code, performed bug fixes, and reduced production defects by 25%.