Backend
- C# / .NET
- ABAP
- SAP
- ASP.NET
- Visual Basic
- Java
- Node.js
Custom applications in Blazor and .NET for industrial companies: SAP integrations, shop-floor systems and tools used every day.
View projects→Systems designed for daily use — with technical decisions, business context, and outcomes.

I'm a software developer specialized in custom applications for industrial environments. My work sits between code and business: understanding how a real factory actually works and turning it into tools that get the job done.
Since 2023 I've been working at Litalsa, developing applications in Blazor and C#, and rolling out solutions on SAP with ABAP. I've built shop-floor applications, internal platforms, SAP integrations and large-scale data migrations. I know the metal, coatings and lithography sectors well.

I work with every level of the organization: from leadership down to plant operators. What interests me most is the less visible side — architecture, integration between systems, and the SQL queries that hold an application together once there's real data behind it. I enjoy projects where I have room to propose a solution, not just execute what was already decided.
In parallel I build my own projects with Next.js and React, where the interface matters as much as the logic.
From industrial environments with SAP to modern web development.
Initiatives of my own where I apply what I learn in other stacks and business models.
An application to extend, a legacy system to modernize, or something SAP doesn't quite cover? Tell me what you're working on and I'll get back to you within 24 hours.
esteban.bernal@pm.me→