I'm a freelancer who specializes in... from... Give an introduction about yourself, who are you, what are your most important skills and what differentiates you from other freelancers. This is the first thing clients will see. They are often interested in sector experience and knowledge, so please mention it. --- **Employment and project experience** **Senior Designer** Acme Co. _January 2017 - March 2017_ **UX Designer** Microsoft Inc. _January 2019 - March 2019_

Stefan Markovic

I'm a freelancer who specializes in... from... Give an introduction about yourself, who are you, what are your most important skills and what differentiates you from other freelancers. This is the first thing clients will see. They are often interested in sector experience and knowledge, so please mention it. --- **Employment and project experience** **Senior Designer** Acme Co. _January 2017 - March 2017_ **UX Designer** Microsoft Inc. _January 2019 - March 2019_

Available to hire

I’m a freelancer who specializes in… from…

Give an introduction about yourself, who are you, what are your most important skills and what differentiates you from other freelancers. This is the first thing clients will see. They are often interested in sector experience and knowledge, so please mention it.


Employment and project experience

Senior Designer Acme Co.
January 2017 - March 2017

UX Designer Microsoft Inc.
January 2019 - March 2019

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
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Language

English
Advanced
Serbian
Fluent

Work Experience

Metaverse Developer at MAD SPACE
December 1, 2024 - August 18, 2025
Implemented real-time 3D rendering using Three.js, PIXI.js, Babylon.js, ensuring smooth gameplay across devices. Optimized WebGL/WebGPU performance to reduce bottlenecks and improve frame rates for seamless gaming experience. Worked on multiplayer game mechanics with Node.js contributing to network synchronization and real-time interactions. Developed and maintained scalable, maintainable game code using TypeScript, improving project stability and maintainability. Designed and implemented physics-based interactions ensuring accurate collisions, gravity, and movement mechanics. Debugged and troubleshot performance issues across various browsers and devices ensuring optimal rendering speed and memory usage. Integrated UI elements and game logic improving player interaction and user engagement. Collaborated with designers and backend developers refining visuals and optimizing API calls for real-time data updates.
3D & Web Developer at Voya
November 1, 2022 - August 18, 2025
Implemented 3D animations and scroll-triggered interactions using Three.js and GSAP enhancing user engagement with dynamic effects. Utilized React.js and Redux for efficient state management enhancing data flow and platform responsiveness. Designed and developed responsive UI/UX ensuring a seamless experience across devices and browsers. Integrated with backend APIs to fetch and display novel content dynamically following RESTful best practices. Conducted thorough testing and debugging ensuring platform stability and smooth user experience. Collaborated cross-functionally with designers, backend developers, and content teams to refine features and improve user engagement. Contributed to code reviews providing feedback to maintain high-quality, maintainable code. Worked in an Agile environment actively participating in sprint planning, daily stand-ups, and retrospectives for efficient project delivery.
Front-end Developer at Seanovel
July 1, 2022 - August 18, 2025
Developed and maintained the frontend of the Seanovel web novel platform creating an immersive reading experience for users. Collaborated closely with designers, backend developers, and content creators to implement UI/UX designs and improve user engagement. Utilized Next.js and its built-in routing system (App Route) to optimize platform performance achieving a remarkable improvement to 99-100 Lighthouse scores. Implemented the In View Observer technique to optimize rendering time by dynamically loading and rendering content as it comes into the viewport resulting in faster page load times and improved user experience. Implemented responsive and mobile-friendly designs ensuring a seamless experience across devices and browsers. Utilized React.js and Redux for state management resulting in optimized data flow and improved performance. Integrated with backend APIs to fetch and display novel content dynamically utilizing RESTful principles. Conducted thorough testing and debugging to ens
3D Configurator and Viewer Developer at Brabus
December 1, 2020 - August 18, 2025
Developed and maintained the Brabus automobile 3D Configurator and Viewer providing realistic automobile information. Collaborated closely with designers and product managers. Implemented Brabus Car Viewer using Next.js, React three fiber, Tailwind CSS, and related technologies. Collaborated with the Management team to ensure smooth deployment and continuous integration using Docker, AWS, and Heroku.

Education

Bachelor of Technology (BTech), Computer Engineering at University of Nis
January 1, 2016 - January 1, 2019

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Gaming, Media & Entertainment, Consumer Goods