Mario AntolovicSenior Unity Developer
Hire Mario
Service

Freelance Unity Developer

Contract Unity development you can rely on.

I've worked as a freelance Unity developer with studios, startups and solo founders across dozens of projects. I integrate cleanly into your team and workflow, communicate clearly, and deliver systems that hold up in production — remote-friendly and used to contract work.

Request a quote See relevant work

What you get

  • Flexible contract engagement — short sprints or long-term
  • Remote collaboration that fits your team's tools and cadence
  • Gameplay, multiplayer and systems programming
  • Clear updates and dependable delivery windows

Best for

Teams needing extra engineering capacityProjects with a specific system to buildFounders without an in-house programmer

Not sure if this fits? Tell me about your project and I'll give you an honest answer — including if another approach serves you better.

Proof

Relevant case studies

Real projects that demonstrate this work.

Plush Fight League — Multiplayer Brawler gameplay PC · Multiplayer
Multiplayer BrawlerUnity 2020 LTS

Plush Fight League

Gameplay Programmer (Contract)

Built PvP brawler gameplay with Photon Quantum netcode and Solana wallet integration for an NFT game ecosystem.

Case study Unity · C# · Photon Quantum
Zombie Shooter — Tower-Defense Shooter gameplay PC
Tower-Defense ShooterUnity 2021 LTS

Zombie Shooter

Gameplay Programmer (Contract)

Delivered a 100-level tower-defense zombie shooter with a dual-currency weapon-upgrade economy for a US client.

Case study Unity · C# · Amplify Shader
Snek Tournament — Arcade .io Multiplayer gameplay Android · Multiplayer
Arcade .io MultiplayerUnity 2020 LTS

Snek Tournament

Gameplay & Backend Programmer

Shipped a multiplayer arcade snake game with online tournaments, leaderboards and a server-backed economy.

Case study Unity · C# · Photon
FAQ

Common questions

Are you available for contract work now?

Reach out through the contact form with your timeline and I'll confirm current availability and how I can fit your schedule.

How do you communicate on freelance projects?

Whatever your team already uses — I'm comfortable with Discord, email, and issue trackers, and I keep progress visible so you're never guessing.

Can you sign an NDA?

Yes. I regularly work under NDA and treat client code and design as confidential.

Let's talk

Ready to move forward with freelance unity developer?

Send a short brief and I'll reply with an approach, scope and timeline.

Discuss your project Email Mario