Johan Corrales (Johan Yesid Corrales López)
Software Engineer • Germany
Johan Yesid Corrales López is a full-stack developer (software engineer) with 12+ years of experience, passionate about building impactful web apps using React, Node.js, Python, and SQL. Background in Social Communication and Graphic Design, with freelance experience.
About me
I'm a Software Engineer driven by a lifelong passion for music, arts, and technology. I began coding at the age of 10, combining creativity with problem-solving from an early age. After studying Social Communication and Graphic Design for over two years, I shifted my focus to software development, where I love crafting innovative products that seamlessly blend design and functionality. My goal is to solve real-world challenges, enhance user experiences, and contribute to the open-source community.
Information
Experience
Issuu GmbH - Full-time
As developer at Issuu GmbH, I was deeply involved in shaping fintech solutions, with a strong focus on funnel optimization, payment systems, and monetization. I took pride in managing subscription services, boosting conversion rates through careful A/B testing, and refining recurring billing systems. My contributions played a key role in the company's growth and eventual acquisition by Bending Spoons. I worked with a range of technologies, including React.js, Node.js, TypeScript, Kubernetes, and Docker.
Adaptus LLC - Full-time
At Adaptus LLC, I developed EZprotect, a comprehensive antivirus solution for Salesforce. I handled both backend and frontend development, using Docker for reliable containerization and AWS services like S3 and EC2 for seamless cloud management. I enjoyed building responsive frontend components with Vue.js and streamlining deployment processes with CI/CD pipelines through Bitbucket and Jenkins, ensuring a smooth workflow.
Bohemia Beach - Freelance
During my time at Bohemia Beach, I developed the core logic and scalability for PositivePOS, an NFC-based POS system that significantly improved transaction reliability and boosted customer purchases. I took care in designing multiplatform UX/UI for a seamless user experience, and I worked closely with clients to understand their needs and deliver tailored solutions. Additionally, I developed the Bohemia Beach website and implemented an efficient booking system, helping streamline their operations.
EUFORIA Transmedia - Freelance
At EUFORIA Transmedia, I worked on producing and editing audiovisual content, always aiming to enhance the storytelling experience. I designed user-friendly and visually engaging UX/UI for WordPress sites and managed projects from concept to delivery, ensuring high-quality results for clients. Collaboration with teams and clients was key to meeting deadlines and exceeding expectations.
Cure Medios - Freelance
At Cure Medios, I specialized in UX/UI design for both WordPress and web applications, ensuring intuitive and aesthetically pleasing user interfaces. I led projects from the initial concept through to final delivery, focusing on creating cohesive designs that maintained both function and form.
Ubuntu Producciones - Freelance
At Ubuntu Producciones, I created websites, customized themes and plugins, and produced video content. I also managed WordPress sites for optimal functionality, ensuring they met the unique needs of clients. It was fulfilling to deliver both web and video solutions that aligned with client goals.
Education
Full Stack JavaScript
TreehouseI immersed myself in advanced web development, learning technologies like JavaScript, Node, React, Express, and SQL. Through hands-on projects, I honed my skills, building practical solutions that prepared me for real-world challenges.
Social Communication & Journalism
Universidad del NorteMy passion for storytelling led me to study communication and journalism, where I focused on media ethics, reporting, and creating engaging content. I learned how to craft stories that resonate with audiences and reflect real-world dynamics.
Graphic Design
Universidad del NorteI explored the world of visual communication, diving into typography, branding, and design principles. Working on diverse design projects—ranging from web design to print media—nurtured my creativity and deepened my love for impactful visuals.