CaleroHQ – Developer Portfolio
A timeline showcasing professional milestones and career highlights
- 2014 - 2016 | Havana, Cuba
Calisoft was my first professional experience, where my early achievements led me to become the leader of a functional testing team of approximately 7 testers. I created detailed test strategies, conducted manual and automated tests across more than 20 applications, and promoted best practices to ensure reliable and efficient software releases.
- 2016 - 2025 | WROCŁAW, POLAND
During my time at Dspot, I worked as an Android Developer, building and optimizing over 10 native apps with Java and Kotlin. I handled everything from squashing crashes and memory leaks to integrating third-party libraries for added functionality and embraced Jetpack Compose for modern UIs.
- 2021 – 2024 | WROCŁAW, POLAND
I juggled cross-platform projects for Android and iOS while keeping the backend in shape with Java Spring Boot. I introduced microservices, whipped up RESTful APIs, and gave performance a boost with Redis. I also handled DB migrations (MongoDB, MySQL) and kept testing solid with JUnit and Mockito.
- 2023 – 2024 | WROCŁAW, POLAND
Working alongside a talented team, I helped build a No-Code SaaS platform for enterprise API ecosystems. Together, we focused on secure authentication, efficient microservices, and performance optimization, streamlining API design and deployment for businesses and boosting overall scalability.
- 2009 - 2014 | Havana, Cuba
At UCI, I earned my degree in Informatics Engineering, gaining extensive knowledge in software development, algorithms, and systems design. This experience laid a strong foundation for my professional journey and shaped my passion for technology and innovation.
- 14.03.2016 | Havana, Cuba
As part of my professional growth, I earned the ISTQB Foundation Level Certification. This globally recognized certification strengthened my skills in software testing fundamentals, enhancing my ability to deliver high-quality and reliable software solutions.
- 2017 - 2018 | Havana, Cuba
I worked as a Manual Tester for iOS and Android apps at Cronvo, where I planned, designed, and executed test cases using Jira. I regularly collaborated with developers to address issues and ensure stable releases, focusing on delivering a smooth, high-quality user experience.
- March 2023 | WROCŁAW, POLAND
I took this course to build on my Java background and sharpen my Kotlin skills. It introduced modern programming techniques and boosted my ability to develop efficient, high-quality Android apps.
- 2023 – current | WROCŁAW, POLAND
I handle the technical side of this e-commerce platform, including iOS mobile app development. By focusing on user-friendly design, real-time inventory tracking, and secure payment options, we’re making grocery shopping more convenient and supporting community-focused commerce.
If you've made it this far, thanks for your time! I hope you enjoyed the tour through my journey. Interested in working together? I'd love to connect!