Game, multiplayer, mobile, and product engineering

Seyed Amirreza Badran

Game Developer, Multiplayer Engineer, Mobile Developer, and Full-Stack Engineer

I build gameplay systems, multiplayer features, and mobile products with Unity, Unreal Engine, Flutter, and modern backend tooling. My work spans solo game development, production Unreal features, and the infrastructure behind connected and offline-first applications.

  • Based in Muscat, Oman
  • Unity, Unreal Engine, Flutter, .NET, PostgreSQL
Portrait of Seyed Amirreza Badran
  • Current work Leading development at Polar Bear and dotgame.
  • Focus Gameplay systems, multiplayer features, mobile products, and backend delivery.
  • Background MSc Computer Science, BSc Mathematics, English fluent, Persian / Farsi native.

Delivery across games, multiplayer systems, and mobile products

Lead ownership on active titles

Leading development on two mid-scope titles at Polar Bear, covering core gameplay loops, monetization tooling, and build and CI pipeline ownership.

Production multiplayer work

Owning multiplayer systems for Deep Breath in Unreal Engine, including Epic Online Services integration and Steam SDK connectivity.

Mobile product execution

Built Flutter applications for smart flashcard learning, including a spaced-repetition workflow designed to keep working offline.

Backend and scaling foundations

Implemented .NET Core and PostgreSQL services for Battle Party, with matchmaking, chat, leaderboards, and Kubernetes-based dedicated server scaling.

Recent roles and technical ownership

Lead Developer at Polar Bear

Jul 2024 - Present | Muscat, Oman

  • Leading development on two mid-scope titles as a solo developer.
  • Own build and CI pipelines, core gameplay loops, and monetization tooling.
  • Built a Flutter flashcard app to support mobile learning experiences.

Lead Developer at dotgame

Feb 2024 - Present | Dubai, Remote

  • Leading development work on Deep Breath, a shooter project built with Unreal Engine.
  • Own multiplayer systems, vehicle mechanics, and gunplay features.
  • Implemented Epic Online Services and integrated it with the Steam SDK.
  • Built realistic, physics-driven vehicle controls and handling.

Lead Developer at Deep Dreams

2017 - 2024

  • Developed Battle Party, an Android multiplayer battle royale project.
  • Built backend services with .NET Core and PostgreSQL.
  • Implemented matchmaking, leaderboards, friends, chat, and scalable dedicated servers on Kubernetes.
  • Delivered Python scraping projects using Selenium.
  • Built machine learning-based cryptocurrency trading experiments with TensorFlow, CNNs, and reinforcement learning.

Independent Freelance Developer

2016 - 2019

  • Delivered freelance Python scraping projects using Selenium.
  • Explored machine learning-based trading systems with TensorFlow, CNNs, and reinforcement learning.

Selected work across Unreal, Unity, and Flutter

Deep Breath

A PvPvE extraction shooter where I own multiplayer systems, EOS and Steam integration, vehicle mechanics, and gunplay implementation.

View on Steam

King's Survivors

A Unity roguelike inspired by Vampire Survivors and Hades, focused on readable combat pacing and repeatable moment-to-moment action.

Memyo

A Flutter app for smart word learning and review, built around flashcards, spaced repetition, and offline-friendly use.

Polymarket trading and simulation platform

PolyPot is a full-stack trading workstation for Polymarket's short-duration crypto Up/Down markets. I built it as an advanced MVP that combines live market ingestion, historical storage, strategy simulation, session-based paper trading, optional real execution, copy-trading infrastructure, and AI-assisted strategy controls in one operator surface.