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.

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. 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.

Available to hire

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.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
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Language

Portuguese
Fluent
English
Advanced

Work Experience

Full-Stack Developer at Grupo Europa de Empreendimentos e Negócios
May 1, 2025 - August 27, 2025
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.
Developer Internship at Grupo Europa de Empreendimentos e Negócios
June 1, 2017 - August 27, 2025
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

B.Sc. in Computer Science at Universidade Vila Velha
June 1, 2017 - December 1, 2020

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Professional Services

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
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