Summary
Sérgio Lopes is a Senior Software Engineer with 12 years of hands-on experience building desktop, web and mobile applications, and currently driving internal tooling and process improvements at a molding and plastics company in Leiria, Portugal. He began as a Java desktop developer and has since delivered solutions across PHP, JavaScript, C++, C#, Objective-C/Swift, Scala and hybrid mobile platforms, plus ERP integrations for SAP Business One and HANA. His freelance background exposed him to hardware-software projects and diverse technology stacks, shaping a pragmatic, full-stack problem-solver comfortable from object-oriented desktop apps to modern web and mobile interfaces. He combines technical depth in integration and ERP ecosystems with a focus on usability and developer productivity, and prefers to continue contributing locally rather than relocating.
12 years of coding experience
English, Portuguese