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isa_alex_bullet

Isa Alex

@isa_alex_bullet

Professional Mobile App Developer, Web App, Cross Platform, And Plugin Expert

Alemanha
Alemão, Inglês, Francês, Português, Italiano
Algumas informações são exibidas no idioma inglês.
Sobre mim
I’m Isa, a Senior Mobile App Developer specializing in cross-platform app development, custom plugin development, and full-stack web solutions. Skilled in Flutter, React Native, Swift, Kotlin, iOS, Android, API integration, Firebase, Node.js, PHP, WordPress, Shopify, eCommerce, SaaS platforms, UI/UX design, and cloud deployment. I build scalable, secure, high-performance mobile apps and websites tailored for startups and businesses. Let’s bring your project to life, message me now and get started!... Saiba mais

Habilidades

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Isa Alex
offline • 
Tempo médio de resposta: 2 horas

Conheça meus serviços

Desenvolvimento Multiplataforma
I will do flutter mobile app development, ios app, andriod app as a flutter developer
A partir deUS$ 115 /projetoMais detalhes
Wordpress
I will do wordpress website design, figma to website development with elementor pro
A partir deUS$ 115 /projetoMais detalhes

Portfólio

Experiência profissional

Plugin & API Integration Developer

Developers World LLC • Freelance

Feb 2026 - Present • 3 mos

Focused on custom plugin development and API integrations for mobile and web applications. Built secure and scalable plugins for payment systems, third-party services, and automation tools. Ensured compatibility across platforms and optimized backend performance. Achievements: Developed custom plugins, improved system efficiency by 30%, and reduced integration errors significantly, enhancing product reliability.

Techneaux_Technology Services

Senior Mobile App Developer

Techneaux Technology Services • Freelance

Jul 2025 - Aug 2025 • 1 mo

I led the development of scalable cross-platform mobile applications using Flutter and React Native, delivering high-performance apps for both iOS and Android. I collaborated with UI/UX designers and backend engineers to build seamless, user-friendly products with clean architecture and optimized performance. I integrated REST APIs, Firebase services, and payment gateways while ensuring security best practices. I mentored junior developers and enforced coding standards to maintain code quality. Achievements: Successfully delivered 15+ production-ready apps, improved app performance by 40%, and reduced crash rates by 60%, resulting in increased client satisfaction and long-term partnerships.

App_Empire

Mobile & Web App Developer

App Empire • Freelance

Jan 2025 - Jun 2025 • 5 mos

Worked on both mobile and web applications, focusing on building responsive web apps and feature-rich mobile solutions. Developed custom plugins, implemented API integrations, and optimized applications for speed and scalability. Handled end-to-end development lifecycle from planning to deployment. Achievements: Delivered 20+ projects across industries, increased user engagement by 35%, and improved loading speed by 50%, helping clients achieve better retention and conversions.