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Hi, I’m Žarko Petrović, a Senior Unity Developer with 15+ years of building high-profile games and immersive virtual experiences. I’ve led cross-functional teams to deliver performant, scalable software across mobile and desktop, and I excel at turning complex challenges into robust architectures and tooling that improve velocity and quality. I’ve shipped titles with millions of users, built multiplayer backends, and created reusable frameworks that reduce development time and cost. I’m passionate about mentoring engineers, refining processes, and delivering high-quality experiences across platforms, from client-side Unity projects to cloud-enabled live operations.…Hi, I’m Žarko Petrović, a Senior Unity Developer with 15+ years of building high-profile games and immersive virtual experiences. I’ve led cross-functional teams to deliver performant, scalable software across mobile and desktop, and I excel at turning complex challenges into robust architectures and tooling that improve velocity and quality. I’ve shipped titles with millions of users, built multiplayer backends, and created reusable frameworks that reduce development time and cost. I’m passionate about mentoring engineers, refining processes, and delivering high-quality experiences across platforms, from client-side Unity projects to cloud-enabled live operations.

Žarko Petrović

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Hi, I’m Žarko Petrović, a Senior Unity Developer with 15+ years of building high-profile games and immersive virtual experiences. I’ve led cross-functional teams to deliver performant, scalable software across mobile and desktop, and I excel at turning complex challenges into robust architectures and tooling that improve velocity and quality. I’ve shipped titles with millions of users, built multiplayer backends, and created reusable frameworks that reduce development time and cost. I’m passionate about mentoring engineers, refining processes, and delivering high-quality experiences across platforms, from client-side Unity projects to cloud-enabled live operations.…Hi, I’m Žarko Petrović, a Senior Unity Developer with 15+ years of building high-profile games and immersive virtual experiences. I’ve led cross-functional teams to deliver performant, scalable software across mobile and desktop, and I excel at turning complex challenges into robust architectures and tooling that improve velocity and quality. I’ve shipped titles with millions of users, built multiplayer backends, and created reusable frameworks that reduce development time and cost. I’m passionate about mentoring engineers, refining processes, and delivering high-quality experiences across platforms, from client-side Unity projects to cloud-enabled live operations.

Available to hire

Hi, I’m Žarko Petrović, a Senior Unity Developer with 15+ years of building high-profile games and immersive virtual experiences. I’ve led cross-functional teams to deliver performant, scalable software across mobile and desktop, and I excel at turning complex challenges into robust architectures and tooling that improve velocity and quality.

I’ve shipped titles with millions of users, built multiplayer backends, and created reusable frameworks that reduce development time and cost. I’m passionate about mentoring engineers, refining processes, and delivering high-quality experiences across platforms, from client-side Unity projects to cloud-enabled live operations.

Skills

Unity 3D

Animation

Javascript

Experience Level

Unity 3D

Expert

Animation

Expert

Javascript

Expert

Work Experience

Technical Director/CTO at CoSociety

June 1, 2025 - February 1, 2026

Led the development of a browser-based, high-fidelity 3D virtual office for distributed teams. Rebuilt team culture around collaborative excellence, designed hiring processes to attract top talent, and mentored engineers to improve code quality and delivery predictability. Implemented a framework for self-improvement and knowledge sharing, resulting in 4–5× less rework, near-zero regression bugs per sprint, and stronger executive and vendor relationships. Directed Unity optimization and profiling for cutting-edge WebGPU integration, improving performance and asset budgets.

Senior Unity Developer at CoSociety

January 1, 2025 - June 1, 2025

Mentored developers and technical artists, enabling faster feature delivery with improved architectures. Lightmap optimization reduced scene file sizes by ~70% and texture memory by ~50%. Established profiling tools for bleeding-edge WebGPU rendering, and built a real-time server-side 3D processing pipeline for avatars, boosting client frame rates. Optimized content delivery to reduce memory usage by 30–50% and implemented custom content delivery for low-end GPUs.

Senior Unity Developer at Betsoft Gaming

September 1, 2023 - July 1, 2024

Delivered rapid stabilization of real-time multiplayer for a suite of WebGL iGaming titles. Built foundational multiplayer infrastructure (Multiplay, NGO, Unity Cloud Services), custom matchmaking, a serverless persistent backend, and an analytics backend. Created a Unity package with plug-and-play cloud and backend services, cutting typical game development time by 30%, team size by 40%, and running costs by 50%, while elevating production value.

Senior Unity Developer at XGameFi

August 1, 2023 - July 1, 2024

Rebuilt networked gameplay to a secure server-authoritative model with dedicated servers and auto-scaling cloud. Implemented full gameplay and infrastructure for a real-time battle arena game on WebGL and Mobile, enabling up to 100 players per room with 6,000+ synchronized objects. Migrated from Multiplay to AWS GameLift and advised CEO on strategy and technology direction.

Founder & CEO at Distill Games

January 1, 2019 - September 1, 2022

Founded and led a 5-person indie studio, built core technology (custom car physics), recruited top talent, and raised a government grant. Produced a mobile racing game that reached the top 2% by retention and engagement (D1 37%, 24 min daily play). Defined the product vision and architecture that carried through launch and live operations.

Network and Gameplay Programmer at Nordeus

March 1, 2016 - March 1, 2017

Built a custom netcode solution for Heroic - Magic Duel, featuring real-time state replication with prediction and rollback over raw TCP/UDP. Implemented a robust buffering and reconciliation system to handle intermittent connections and ensure seamless state integrity.

Prototyping and Pre-production at Nordeus

March 1, 2015 - March 1, 2016

Prototyped and pre-produced an innovative mobile racing game, leading to greenlight. Focused on game design, market positioning, and validating core gameplay through user testing.

Senior Unity Developer at Nordeus

May 1, 2014 - March 1, 2015

Reimplemented the Top Eleven client in Unity, built a custom UI framework with auto-scaling for diverse devices, and contributed to agile planning and velocity tracking to stabilize a previously large project.

Technical Lead at Nordeus

May 1, 2011 - May 1, 2014

Led the Android client team for Top Eleven, shipping the game to $100M ARR and 1M DAU in year one with 20–30% YoY growth thereafter. Promoted collaborative excellence, defined career paths, and strengthened release stability through agile practices.

Independent | Freelancer

January 1, 2021 - Present

Independent freelance work focusing on Unity-based projects, real-time multiplayer solutions, and performance optimizations for indie studios and startups.

Founding Engineer / CXO at Indie Game Studios

January 1, 2017 - January 1, 2021

Co-founded and led engineering efforts for an indie studio, shaping product vision, architecture, and recruitment. Drove end-to-end development of core gameplay and tooling.