Back-End Software Engineer | Automation & Integration Specialist
Reliable APIs.Workflow automation.Systems that stay connected.
I build back-end services, n8n workflows, and system integrations that reduce manual work and keep business data moving cleanly.
About hernz.dev
Engineering systems that stay reliable after launch, not just during the demo.
I'm Emil Hernaez, a back-end engineer and automation specialist focused on APIs, workflow design, and business systems that need to stay clear, maintainable, and useful in day-to-day operations.
The work usually lives where technical reliability, process clarity, and business practicality need to meet.
Work with Emil
Reliable systems, practical automation, and work that holds up in real use.
Explore the resume if you are evaluating engineering experience, or go straight to services if you need automation and API integration help for an active business workflow.
Resume
Technical skills and back-end experience.
A brief view of the stack behind the resume page, focused on integration work, APIs, and business systems.
Senior Software Engineer • 2020 - Present. Back-end developer with 6+ years of experience building and maintaining business systems, APIs, database-driven applications, integrations, and automation workflows. Experienced in .NET, C#, SQL Server, REST/SOAP APIs, n8n, and workflow automation.
View resumeServices
Automation and API integration with n8n.
Practical service work for connecting systems, reducing manual tasks, and building reliable workflows.
n8n Workflow Automation: Build repeatable workflows that move data, trigger actions, and reduce manual admin work.
API Integration: Connect systems through clean API requests, field mapping, validation, and retry-aware flows.
Webhook and Middleware Development: Receive, validate, transform, and forward event data between systems.
Featured work
Projects that connect engineering depth with operational outcomes.
Next step
Hiring for backend work or trying to remove manual operations?
I can help build reliable systems that connect tools, reduce repeated work, and make operational data easier to trust.