m
marxeull

marxeull

@marxeull

Scalable Web And Mobile App Developer, SaaS And Business Systems

Vereinigte Staaten
Französisch, Englisch, Portugiesisch, Deutsch, Spanisch, Italienisch
Einige Informationen werden in englischer Sprache angezeigt.
Über mich
I’m a full stack web and mobile app developer experienced in building SaaS platforms, business management systems, ERP solutions, custom dashboards, and cross-platform mobile apps. My focus is not just writing code. I build systems that solve business problems, improve workflows, and scale properly as your company grows. I work with modern technologies for frontend, backend, APIs, and database architecture to ensure performance, security, and long-term maintainability. If you're looking for a developer who understands both technology and business logic, let’s discuss your project.... Mehr lesen

Kompetenzen

m
marxeull
marxeull
offline • 
Durchschnittliche Antwortzeit: 378 Stunden

Meine Dienstleistungen

Full-Stack-Webanwendungen
I will software, website developer, web app, CRM, pos, inventory system, saas app UI UX
Full-Stack-Webanwendungen
I will develop web app software, erp, crm, odoo, pos, desktop app, inventory system

Portfolio

Arbeitserfahrung

Fiverr

Business System & ERP Developer

Fiverr • Freiberufler

Feb 2026 - Feb 20260 mos

Developed custom ERP and workflow automation systems including invoicing modules, inventory tracking, reporting dashboards, and role-based access control. Ensured accurate business logic implementation and financial data handling.

Freelancer.com

Mobile Application Developer

Freelancer.com • Freiberufler

Jan 2026 - Jan 20260 mos

Built cross-platform mobile applications for business management and service-based platforms. Implemented API integrations, push notifications, user authentication, and optimized performance across devices.

Upwork

Full Stack Web Application Developer

Upwork • Freiberufler

Dec 2025 - Dec 20250 mos

Designed and developed scalable web applications including admin dashboards, CRM systems, and SaaS platforms. Handled frontend architecture, backend APIs, database design, and deployment. Focused on performance optimization and secure authentication systems.