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Fiverr Pro
Português
$
USD
Luka N
@luka_nikolac
Software developer
Croácia
Inglês, Croata
Sobre mim
I'm a full-stack developer skilled in React (JavaScript/TypeScript) and .NET Core Web API. I build modern, responsive web applications with secure and well-structured backends, ensuring efficient integration between front-end and back-end.
In addition, I specialize in PowerPoint, creating and redesigning presentations with clean, professional and visually appealing slides.
Ideal for startups, businesses, and students who need reliable web solutions or high-quality presentations.
Habilidades
Luka N
offline •
Tempo médio de resposta: 2 horas
Conheça meus serviços
API e Integrações
I will create restful apis using asp net core for integrations
Figma para Web e Aplicativo
I will create responsive react app using the provided figma design
Portfólio
Experiência profissional
Software developer Subris GmbH
Fiverr • Freelance
Aug 2025 - Present • 9 mos
* Modernized a legacy ASP.NET WebForms system into a RESTful .NET 8 Web API. * Migrated codebase from VB.NET to C#, improving maintainability, scalability, and security. * Migrated SOAP services to RESTful .NET 8 APIs. Refactored VB.NET → C# with clean architecture principles. * Modernized reporting workflows (Crystal Reports integration). * Improved performance, logging, and error handling. * Upgraded security (auth, secure configs, data protection).
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