Uroš Joksimović, Developer in Belgrade, Serbia
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Uroš Joksimović

Verified Expert  in Engineering

Programming Developer

Belgrade, Serbia
Toptal Member Since
September 1, 2016

Uroš is a passionate game developer with five years of experience in game programming and game design. He's singlehandedly programmed two full games in Unity and has also led the development process in teams ranging from a few to over 10 people. His experience also includes, but is not limited to, coding competitions, numerous hackathons, and an internship at Google.



Preferred Environment

Visual Studio Code (VS Code), MonoDevelop, Unity, Git, OS X, Windows

The most amazing...

...experience I've had is developing Tank Spank from inception, being responsible for both game design and programming.

Work Experience


2015 - PRESENT
Eruption Games
  • Developed Tank Spank—a PC/console four-player couch co-op top-down twin-stick shooter.
  • Designed user flows and worked closely with graphic designers to make sure that the UI design fits both the flows and the visual identity of the product.
  • Worked closely with graphic artists, giving direction and guidelines for the shaping of the visual identity of the product.
  • Collected feedback from over 200 players.
  • Designed game modes, weapons, and other gameplay mechanics.
  • Developed Eclidus. an iOS/Android twisty puzzle game inspired by the Rubik's Cube that sold over 2,000 units.
  • Designed multiple twisty puzzles through many iteration cycles.
Technologies: C#, Unity

Unity Game Designer

2021 - 2021
  • Built a prototype for an experimental game mode of the current game.
  • Analyzed gameplay features and their short-term and long-term impact on the game. Explored and suggested alternatives.
  • Created multiple toggleable systems allowing the prototype to be quickly customized to explore different loops and goals during stakeholder presentations and playtesting.
Technologies: Unity, Game Design

VR Developer

2020 - 2021
RCAD Pty Ltd
  • Developed a system that creates meshes out of vertex data with world space UV tiling and seamless mesh to mesh intersection.
  • Handled the implementation of a multitude of mesh generation geometry algorithms.
  • Implemented the VR systems for exploring the generated content and real-time interaction and material modifications.
Technologies: Unity

Freelance WebGL Developer

2019 - 2019
Inside Conference
  • Developed the main gimmick visual effect of the website.
  • Implemented real-time GPU simulated particles with seamless interpolation.
  • Used a three-layer rendering approach utilizing rendering particle positions and colors to textures and then rendering the final result using the previous two textures.
Technologies: JavaScript, WebGL, Three.js

Business Analyst

2018 - 2019
Smart Code House
  • Helped stakeholders structure and solidify their understanding of current products.
  • Transformed stakeholder requests into implementable and consistent use cases.
  • Coordinated with the development team to keep the complexity of requirements manageable.
  • Managed the scope of the project and assisted stakeholders in pivoting where needed.
  • Created the specification for the proof of concept prototype.
Technologies: Business Analysis

Senior Unity3D Engineer

2018 - 2018
Cortina Productions
  • Helped optimize UX flows and implemented an 88" screen multi-user touch experience that integrated with both a museum-wide CMS and a visitor face recognition system.
  • Implemented a meme creation touch experience that integrated with the museum-wide CMS and visitor systems, handling meme creation as well as takeaway asset generation and uploading.
  • Implemented a multi-display media player that used aggregated social media feed and CMS as its source.
  • Maintained and updated several experiences during periods of absence of developers in charge.
Technologies: C#, Unity

Computer Graphics Consultant

2018 - 2018
  • Wrote technical specifications for several image processing algorithms.
  • Designed an image processing pipeline architecture within the constraints of the current system.
  • Designed a rendering pipeline architecture within the constraints of the current system.
Technologies: Unreal Engine 4, Unity

Lead Unity Developer

2017 - 2017
  • Implemented a multi-agent simulator in Unity with several different agent types.
  • Implemented sensor simulators based on the documentation provided by the client.
  • Upgraded the architecture to support multiple user controlled agents via network (Both TCP and UDP).
  • Implemented a client app in Unity for controlling all of the agent types.
  • Implemented visualizations for all the sensor data.
  • Wrote detailed documentation of the architecture of the system.
  • Started as the first developer on the simulator, handling project scope and integration as the team grew, eventually ramping up the next lead developer before the end of the engagement.
Technologies: Unity

Contract Developer

2016 - 2017
  • Implemented several AR experiences for the Google Tango platform including 3D puzzle solving, navigation, and on-device object positioning.
  • Assisted in creating navigational and orientational UX/UI for AR experiences.
Technologies: Unity

Game Designer

2016 - 2016
Mad Head Games
  • Created feature specification documents for Pagan Online.
  • Designed and coordinated the implementation of multiple game features with the development team on Pagan Online.
  • Assisted in the production by organizing and writing tasks for a multidisciplinary ten-person team. Wrote tasks for 3D environment artists, character artists, animators, VFX artists, engineers, and sound designers.
  • Aided the marketing team in presenting the first public build of the game.
Technologies: Unreal Engine 4

Site Reliability Engineering Intern

2014 - 2014
  • Created a service that aids in detection of "queries of death" in Dremel.
  • Learned about Google technologies and methodologies.
Technologies: C++

Tank Spank

Tank Spank is a top-down shooter that supports up to four players with various game modes.

Inside Conference Website

Created an innovative web presentation effect using WebGL and three.js. To ensure the smoothest possible interpolation between any potential states, we've created a three-step rendering pipeline that's capable of simulating and rendering around 60,000 particles every frame.


A mobile first twisty puzzle experience on iOS/Android, that sold over 2000 units on both stores combined.
2007 - 2011

Technical High School Diploma in Mathematical Gymnasium

Gymnasium - Kraljevo


CS1156x: Learning From Data



CS169.1x: Software as a Service



WebGL, Three.js




C#, Java, C++, JavaScript


Unity, Unity3D, Unreal Engine 4, Unreal Engine


Visual Studio Code (VS Code)


Game Development, Game Design, Programming, Augmented Reality (AR), Virtual Reality (VR), Business Analysis

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