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Hi, I’m Željko, a passionate .NET developer with extensive experience working across financial services, manufacturing execution, and transportation management systems. I specialize in building both web and desktop applications using technologies like .NET Core, Blazor, Angular, and DevExpress WinForms. I enjoy crafting scalable and efficient software solutions that solve real-world business challenges. Throughout my career, I’ve worked on a variety of projects, from developing IT solutions for the National Bank of Serbia to creating enterprise dispatch systems and quality control applications. I’m always eager to learn new skills and collaborate with teams to deliver impactful software that users love.…Hi, I’m Željko, a passionate .NET developer with extensive experience working across financial services, manufacturing execution, and transportation management systems. I specialize in building both web and desktop applications using technologies like .NET Core, Blazor, Angular, and DevExpress WinForms. I enjoy crafting scalable and efficient software solutions that solve real-world business challenges. Throughout my career, I’ve worked on a variety of projects, from developing IT solutions for the National Bank of Serbia to creating enterprise dispatch systems and quality control applications. I’m always eager to learn new skills and collaborate with teams to deliver impactful software that users love.

Željko Sokolović

Programmer, Developer, Web Developer, +1

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Hi, I’m Željko, a passionate .NET developer with extensive experience working across financial services, manufacturing execution, and transportation management systems. I specialize in building both web and desktop applications using technologies like .NET Core, Blazor, Angular, and DevExpress WinForms. I enjoy crafting scalable and efficient software solutions that solve real-world business challenges. Throughout my career, I’ve worked on a variety of projects, from developing IT solutions for the National Bank of Serbia to creating enterprise dispatch systems and quality control applications. I’m always eager to learn new skills and collaborate with teams to deliver impactful software that users love.…Hi, I’m Željko, a passionate .NET developer with extensive experience working across financial services, manufacturing execution, and transportation management systems. I specialize in building both web and desktop applications using technologies like .NET Core, Blazor, Angular, and DevExpress WinForms. I enjoy crafting scalable and efficient software solutions that solve real-world business challenges. Throughout my career, I’ve worked on a variety of projects, from developing IT solutions for the National Bank of Serbia to creating enterprise dispatch systems and quality control applications. I’m always eager to learn new skills and collaborate with teams to deliver impactful software that users love.

Available to hire

Hi, I’m Željko, a passionate .NET developer with extensive experience working across financial services, manufacturing execution, and transportation management systems. I specialize in building both web and desktop applications using technologies like .NET Core, Blazor, Angular, and DevExpress WinForms. I enjoy crafting scalable and efficient software solutions that solve real-world business challenges.

Throughout my career, I’ve worked on a variety of projects, from developing IT solutions for the National Bank of Serbia to creating enterprise dispatch systems and quality control applications. I’m always eager to learn new skills and collaborate with teams to deliver impactful software that users love.

Skills

Experience Level

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Beginner

Language

English

Intermediate

Serbian

Fluent

Work Experience

.NET C# Developer at Smart Investment Group doo, Belgrade

May 1, 2023 - Present

Developing the entire IT solution for the National Bank of Serbia's Central Register of e-bills of exchange. This involves banks adjusting their ICT systems for the introduction of electronic bills of exchange. Responsibilities include implementation of service layer, data access layer, Hangfire jobs, Redis caching, custom JWT authentication, exception middleware, unit and integration tests, UML sequence diagrams, bug fixing, and Blazor UI for CRUD operations.

.NET C# Developer at FedEx doo, Belgrade

March 1, 2024 - July 10, 2025

Designed and modeled SQL databases and developed enterprise software components for dispatch operations using DevExpress WinForms UI controls and Web UI Controls (ASP.NET Core). Worked with XPO ORM library, C#, and Entity Framework to deliver efficient and reliable solutions.

.NET C# MVC Developer at Zebracon doo, Belgrade

April 1, 2023 - July 10, 2025

Developed company website and codebook web application using .NET Core 3 MVC, implemented data reporting in C# and DevExpress Web Forms. Delivered admin web API service for ticket management and ticketing system web app. Built client web API service, sales order web app, and water-heater water-resistance and electro web app tests implemented on RF terminals.

Teacher of Programming Paradigms, Computers and Informatics at VI grammar high school

March 1, 2022 - July 10, 2025

Taught programming paradigms, computer science, and informatics to students at VI grammar high school.

.NET C# Developer at Guidance doo, Belgrade

May 1, 2020 - July 10, 2025

Developed web social-service applications in JavaScript, comparative mobile box packages view in Angular, game application (chess) using React. Migrated older ASP.NET E-commerce solution to newer version. Performed unit testing with Jest framework, participated in Agile project management using YouTrack and Azure DevOps.

MS Dynamics NAV Developer at Guidance doo, Belgrade

May 1, 2019 - July 10, 2025

Analyzed, designed, modified, migrated, and developed reports and objects in NAV2013 and migrated customizations from older NAV versions to NAV 2015. Created test data and test cases to ensure accuracy and functionality.

Teacher of basic programming in C#, computers, and informatics at Railroad-tech school

April 1, 2017 - July 10, 2025

Taught basic programming in C#, computers, and informatics to students.