I'm Francisco Dueñas, a Cloud & Backend Developer from Colombia 🇨🇴.

I build scalable and secure applications using Java, Spring Boot, and Spring WebFlux, with strong focus on cloud technologies, microservices, and reactive systems.

• 🎓 Systems & Computer Engineer from theNational University of Colombia
• 💻 4+ years of experience inBackend Development (Java, Python)
• ☁️ Experienced withAWS & Azure cloud services
• ⚡ Skilled inmicroservices, reactive programming, and CI/CD pipelines
• 🛠️ Hands-on withDocker, Kubernetes, RabbitMQ, Grafana, Dynatrace

• Languages: Java (8–21), Python
• Frameworks: Spring Boot, Spring WebFlux, Django
• Cloud: AWS (EC2, S3, CloudFormation, SNS, SQS), Azure
• Tools & DevOps: Git, Docker, Kubernetes, Grafana, Dynatrace
• Testing: JUnit, PyUnit, pytest, JMeter

• 🌐LinkedIn
• 💻Portfolio

✨Always learning, always building. 🚀

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1. freemarker-json-xml-toolkitfreemarker-json-xml-toolkitPublic

   The FreeMarker JSON/XML Toolkit is an intuitive Java desktop application designed to streamline and enhance your work with FreeMarker templates. With its graphical user interface (GUI), this tool s…

   Java

2. local-services-setuplocal-services-setupPublic

   Guide and resources to set up and consume AWS services (Localstack), Redis, and RabbitMQ locally using Docker. Includes configuration examples, useful commands, and recommendations for local develo…

   PowerShell 3

3. crediyacrediyaPublic

   CrediYa is a platform designed to digitize and optimize the management of personal loan applications, eliminating manual and in-person processes. The system allows applicants to enter their data an…

   Java

4. leronarenwino_pageleronarenwino_pagePublic

   Vue

5. ms-template-processorms-template-processorPublic

   Java