Hello, I'm
Javier Márquez
Software Engineer
Software engineer with 10+ years of experience building scalable enterprise systems. Explore the profile that best fits your needs.
How I can help
Three areas where I add value from day one
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Scalable enterprise systems
I design and ship platforms with 100+ tables, multi-tenancy and RBAC, ready to grow without rewrites.
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Financial and tax integrations
CFDI 4.0 invoicing, direct debit and bank reconciliation with processors like HSBC, AMEX and PROSA.
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Event-driven automation
Observers, chained jobs and async pipelines that remove manual work and human error.
Explore my profiles
Select the profile that best fits the role you have in mind
Senior Full Stack Developer
Software engineer with 10+ years of experience designing and implementing highly complex enterprise systems as a full-stack developer. Specialized in scalable architectures, financial integrations, microservice ecosystems, and multi-platform solutions.
- Laravel
- Vue
- Inertia
- Filament
950 patients and 600 invoices/month in production
View profileSoftware Architect
Software architect with 10+ years of experience designing custom technology solutions for organizations with high operational complexity. Specialized in distributed system design, legacy modernization, event-driven architectures and strategic technical decisions that align technology with business objectives.
- Laravel
- Microservices
- Event-Driven
- Docker
Multi-service ecosystems at national scale
View profileSenior Backend Developer
Senior backend developer with 10+ years of experience building robust enterprise systems, high-performance APIs and complex financial integrations. Specialized in PHP/Laravel, async processing, CFDI electronic invoicing, payment processor integrations and business process automation through event-driven architectures.
- PHP / Laravel
- MySQL
- Redis
- CFDI / SOAP
15,017+ installs of my own OSS package
View profile