Kelvin Xisto de Souza
I am a full-stack and mobile developer with 10 years of experience building Android, iOS, and web applications. I have a strong background in Agile teams, backend integration, and delivering high-quality solutions.
About
I am a full-stack and mobile developer with 10 years of experience building Android, iOS, and web applications. I have a strong background in Agile teams, backend integration, and delivering high-quality solutions. My work is centered around modern technologies including Kotlin and Flutter, and I enjoy mentoring juniors and collaborating closely with clients in Agile/SCRUM environments.
Throughout my career, I have introduced new technologies to keep teams ahead, led high-impact development projects, and supported decision-making processes. I am passionate about creating scalable cross-platform apps and building efficient backend systems that enhance customer engagement and process automation.
- 8 years' experience
- Joined August 2025
Industry experience
- Software & Internet
- Professional Services
More experts in Oliveira de Azeméis, Portugal
Work experience
Introduced Kotlin as a core technology ahead of its industry standard adoption, modernizing Android development practices. Championed the adoption of Flutter, enabling the company to scale cross-platform apps through a unified codebase, reducing development effort. Developed Flutter apps with over 100,000 active users. Led the development of applications for a high-revenue enterprise client, enabling process automation and large-scale customer engagement. Mentored junior developers and collaborated with clients in Agile/SCRUM environments. Took leadership responsibilities and supported decision-making with clients.
Built Android applications in Java, consuming REST APIs, and developing front-end and backend features. Supported bug fixing, enhancements, and researched Angular and Xamarin technologies.
Education
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