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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.…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

Full Stack Developer, App Developer, Developer

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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.…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.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Docker

Intermediate

TypeScript

Intermediate

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.