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I am a software engineer with over 14 years of experience, specializing in Java/J2EE, full-stack development, and backend microservices. I have worked across finance, telecommunications, government, and enterprise domains, delivering robust, scalable web applications and APIs. I enjoy solving complex problems, mentoring junior developers, and adopting modern tools like Docker, Kubernetes, CI/CD, and cloud platforms (AWS, Azure, GCP). I am actively pursuing a Java/J2EE development role and have recently completed Udemy courses and AI projects to stay on the cutting edge.…I am a software engineer with over 14 years of experience, specializing in Java/J2EE, full-stack development, and backend microservices. I have worked across finance, telecommunications, government, and enterprise domains, delivering robust, scalable web applications and APIs. I enjoy solving complex problems, mentoring junior developers, and adopting modern tools like Docker, Kubernetes, CI/CD, and cloud platforms (AWS, Azure, GCP). I am actively pursuing a Java/J2EE development role and have recently completed Udemy courses and AI projects to stay on the cutting edge.

Ariel Omerez

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

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I am a software engineer with over 14 years of experience, specializing in Java/J2EE, full-stack development, and backend microservices. I have worked across finance, telecommunications, government, and enterprise domains, delivering robust, scalable web applications and APIs. I enjoy solving complex problems, mentoring junior developers, and adopting modern tools like Docker, Kubernetes, CI/CD, and cloud platforms (AWS, Azure, GCP). I am actively pursuing a Java/J2EE development role and have recently completed Udemy courses and AI projects to stay on the cutting edge.…I am a software engineer with over 14 years of experience, specializing in Java/J2EE, full-stack development, and backend microservices. I have worked across finance, telecommunications, government, and enterprise domains, delivering robust, scalable web applications and APIs. I enjoy solving complex problems, mentoring junior developers, and adopting modern tools like Docker, Kubernetes, CI/CD, and cloud platforms (AWS, Azure, GCP). I am actively pursuing a Java/J2EE development role and have recently completed Udemy courses and AI projects to stay on the cutting edge.

Available to hire

I am a software engineer with over 14 years of experience, specializing in Java/J2EE, full-stack development, and backend microservices. I have worked across finance, telecommunications, government, and enterprise domains, delivering robust, scalable web applications and APIs.

I enjoy solving complex problems, mentoring junior developers, and adopting modern tools like Docker, Kubernetes, CI/CD, and cloud platforms (AWS, Azure, GCP). I am actively pursuing a Java/J2EE development role and have recently completed Udemy courses and AI projects to stay on the cutting edge.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Work Experience

Freelance Udemy Courses (Java/J2EE, FrontEnd, Cloud, Databases) and AI at Udemy Courses / Self-Directed

June 24, 2024 - Present

Freelance engagement focused on completing advanced Java/J2EE, Front-End, Cloud, and database courses. Also performed AI-related freelance work for Java and Python, including data preparation and integration of AI/ML APIs, and built sample microservices and front-end components to demonstrate concepts.

Senior Software Engineer (Full Time) at Mastercard

October 16, 2023 - March 23, 2025

Led development of Java/Spring-based microservices and REST/SOAP services. Implemented AI/ML integrations using AWS/Azure/OpenAI APIs. Designed and implemented front-end UIs in React. Built and maintained CI/CD pipelines via Jenkins/Harness. Improved test coverage and mentored junior engineers. Worked with Kafka, Spring Cloud, and cloud platforms.

Software Developer III / Lead Software Engineer (Contract) at Charter Communications

September 16, 2019 - August 4, 2023

Led BIS Create/Update Customer and Order Fulfillment microservices. Built and deployed the Notifications microservice. Implemented Spring Boot/Spring Cloud microservices, Docker/Kubernetes, Kafka integration, and REST APIs. Led testing efforts (JUnit, Mockito, Selenium) and mentored team members. Implemented security via Spring Security and SSL.

Full Stack Java/J2EE Developer (Contract) at Deloitte

July 24, 2018 - July 31, 2019

Involved in all phases of development for Java/J2EE applications. Fixed defects, implemented microservices using Spring Boot/Spring Cloud, and contributed to front-end with React. Worked on legacy WebSphere/Struts/EJB components, batch jobs, and REST/SOAP services; performed unit/integration testing and code fixes.

Senior Programmer Analyst (Contract) at Wisconsin Department of Justice

August 14, 2017 - March 1, 2018

Developed microservices with Spring Boot/Spring Cloud; implemented LDAP authentication; deployed to cloud environments; contributed to front-end (Angular 2); performed performance tuning for WebSphere and Oracle DB; built and tested microservices and RESTful APIs; collaborated on deployment in AWS and Kubernetes.

Programmer Analyst (Contract) at Missouri Department of Transportation

March 6, 2016 - June 30, 2017

Gained requirements analysis, designed with UML, and implemented enhancements using Struts 1 and Spring MVC. Built microservices with Spring Boot, implemented Spring Batch for batch processing, and updated front-end components. Configured LDAP authentication and deployed services in cloud environments with Docker and Azure; authored tests and performance tuning.

Programmer Analyst (FTE) at IBM (offshore)

March 1, 2013 - September 1, 2015

Design and implementation of Java/J2EE components, including microservices with Spring Boot/Spring Cloud; Angular front-end development; deployed projects to IBM Blue Mix Cloud; worked on EJB/JPA back-end, XSLT transformations, and Jenkins-based deployments; involved in RTC/CI/CD and cloud integration.