Marko Stjepanovic

Product Designer / Frontend Engineer

Designed enterprise dashboards and user workflows for energy-sector automation and reporting, translating complex business requirements into intuitive user experiences. Translated Figma designs into production-ready TypeScript code and extended the design system with tokens and reusable UI components.

FigmaTypeScriptDesign SystemsUI ComponentsClaudeAI Code Generation

Product Designer / Frontend Developer

Tietoevry

Designed UX/UI for ProFinance, a financial and leasing management platform, using Adobe XD and Figma. Translated design specifications into functional interfaces by building custom Blazor components with C# and Telerik UI, and collaborated with backend developers to integrate REST APIs.

UX UI DesignFigmaAdobe XDBlazorC#TelerikREST APIsUser Flows

Frontend Developer / Graphic & Web Designer

Built and maintained e-commerce platforms for the automotive industry, serving thousands of daily users. Designed conversion-focused user journeys and used Hotjar insights to improve UX, while building responsive frontend interfaces with HTML5, CSS3, JavaScript, and jQuery.

EcommerceHTML5CSSJavaScriptjQueryNopCommerceHotjarResponsive Design

Frontend Developer

Designed and developed a travel booking platform featuring accommodation listings, search, filtering, and real-time availability. Built interactive, responsive interfaces using HTML5, CSS3, JavaScript, jQuery, and Knockout.js, and collaborated with the .NET backend team.

HTML5CSSJavaScriptjQueryKnockoutJS.NETResponsive Design

Web Designer

Developed interactive interfaces for a live betting application, including real-time odds, bet slip management, and match tracking. Built responsive UI components using HTML5, CSS3, JavaScript, and Knockout.js, focusing on usability and performance.

HTML5CSSJavaScriptKnockoutJSResponsive Designcross browser compatibility

Software Engineer

Designed and developed a hotel services web portal for iTesso in Breda, Netherlands, using HTML, CSS, and Bootstrap. Built mobile applications for hotel operations using HTML5, CSS3, JavaScript, and PhoneGap, and collaborated with the .NET team on RESTful services.

HTMLCSSBootstrapHTML5JavaScriptPhoneGap.NETRESTful ServicesAJAX

Graphic & Web Designer

Created graphic designs, logos, and brand assets for clients and advertising campaigns. Designed digital promotional materials and web banners for brands including ASUS, Toshiba, and Cooler Master.

Graphic DesignLogo DesignBrandingWeb BannersAdvertising