I will develop scalable backend systems with laravel or symfony

I
ivan_portillo
I
ivan_portillo
Ivan Portillo
develop scalable backend systems with laravel or symfony
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develop scalable backend systems with laravel or symfony
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develop scalable backend systems with laravel or symfonydevelop scalable backend systems with laravel or symfonydevelop scalable backend systems with laravel or symfonydevelop scalable backend systems with laravel or symfony

About this gig

If your backend is slow, hard to maintain or limiting your business growth, I can help.


Im a Senior Backend Engineer with 7+ years of experience working on critical systems including payments, APIs, data migrations and high-load platforms.


I dont just write code I design backend systems that are scalable, reliable and aligned with real business needs.


What I can help you with:

  • Backend development (Laravel, Symfony, PHP)
  • API design & integrations (Stripe, PayPal, third-party services)
  • Performance optimization and bug fixing
  • Refactoring and code improvement
  • Scalable architecture (DDD, Hexagonal)
  • AI integration into real workflows


My approach:

I focus on understanding the root problem, identifying hidden technical costs and delivering solutions that scale without creating future technical debt.


Whether you need to fix an issue, build a new feature or improve your system performance, I can help you move forward with confidence.


Please contact me before placing an order to discuss your requirements.

  • Expertise

    • Algorithms & Data structures
    • Debugging
    • Operating systems
    • Design
    • Databases

  • Programming language

    • PHP

  • Frontend framework

    • Bootstrap
    • React.js
    • Tailwind CSS

  • Backend framework

    • Laravel
    • FastAPI
    • Other

Get to know Ivan Portillo

Ivan Portillo

Backend Software Engineer

  • FromSpain
  • Member sinceApr 2026

  • Languages

    Spanish, English
Durante más de 7 años he ayudado a empresas a resolver un problema crítico: cuando el backend frena el negocio. No se trata solo de código, sino de rendimiento, escalabilidad y decisiones técnicas alineadas con objetivos reales. He optimizado procesos core logrando mejoras de hasta +30% en KPIs y liderado migraciones críticas sin impacto en producción. Mi enfoque es claro: detectar cuellos de botella, eliminar coste oculto y construir soluciones robustas y sostenibles. Actualmente integro IA en flujos reales para acelerar resultados sin sacrificar calidad. ¿Tu tecnología limita tu crecimiento?

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