I will do unity script writing, bug fixing and sdk integration

H
harisabdulla441
H
harisabdulla441
Haris Abdullah

Level 2

5.0
5.0

Gig Summary

What people loved about this freelancer

About this gig

Need help writing Unity scripts or integrating SDKs like Firebase, PlayFab, AdMob, or AppLovin?

You're in the right place I offer professional Unity C# scripting and third-party SDK integration for mobile, PC, WebGL, and multiplayer games.


What I Offer:

  • Custom Unity C#: ScriptsGame mechanics, UI/UX logic, character controllers, animations, AI, and more.
  • Bug Fixing & Troubleshooting: Fix build crashes, console errors, or broken gameplay systems.
  • Performance Optimization: Refactor inefficient code and reduce lag or frame drops.
  • Multiplayer Integration: Add or fix real-time features using Photon, Fusion, or Mirror.


SDK & API Integration:

  • Firebase (Auth, Firestore, Analytics, Realtime DB)
  • PlayFab (Player data, leaderboards, cloud scripts)
  • Ad Networks: AdMob, Unity Ads, AppLovin, IronSource, etc.
  • Analytics & Backend APIs: Google Analytics, REST APIs, OneSignal, etc


Message me now with your project details. Whether it's scripting or integrating Firebase or PlayFab, I'll deliver exactly what your Unity project needs.


Maintaining communication and delivering the highest quality is my top priority. Your satisfaction is 100% guaranteed.

Get to know Haris Abdullah

Haris Abdullah

Unity Developer, AI App, Vibe Coding Expert

4.9(124)

Level 2

  • FromPakistan
  • Member sinceJan 2020
  • Avg. response time1 hour
  • Last delivery2 days
  • Languages

    Urdu, English
Hello! I'm Haris Abdullah. I'm a full-stack developer with 5+ years of experience building games and AI-powered applications. My background spans Unity game development, AI mobile app development, and vibe-coded web and mobile apps using tools like Lovable, Base44 and ManyChat. I started as a Unity developer crafting multiplayer games and, over time, expanded into the AI development space, building, fixing, and optimising AI-generated applications for startups, founders, and creators who want polished, working products fast. Let's build something great together. Feel free to reach out!

My Portfolio

Other Game Development Services I Offer

Reviews

20 reviews for this Gig
5.0

(20)
(0)
(0)
(0)
(0)
Rating Breakdown
  • Seller communication level
    5
  • Quality of delivery
    4.9
  • Value of delivery
    5
Sort By
Most relevant
  • O

    omegafine

    Repeat Client

    US

    United States

    5

    Harris has been professional, cooperative, and committed throughout our project. As our vision expanded from building a website into developing a complete business platform, he remained flexible and worked with us through many revisions and new requirements. He communicates well, documents his work,...

    $50-$100

    Price

    10 days

    Duration

    Helpful?
    Yes
    No
  • T
    image-docs

    tyleransophonie

    US

    United States

    5

    Seller successfully fixed the core multiplayer networking issues in my Unity Photon Fusion project. Players can now properly see each other, movement sync is working, and the main networking foundation is functioning correctly. Thank you! Will definity work with them again if i need to!

    $100-$200

    Price

    2 weeks

    Duration

    Helpful?
    Yes
    No
  • O

    omegafine

    Repeat Client

    US

    United States

    5

    Haris has been very professional, patient, and communicative throughout the project. He successfully implemented the LMS/module hierarchy structure inside the MemberPress system as discussed and remained flexible while refining the overall flow and organization. He consistently worked with me to stay...

    $200-$400

    Price

    4 weeks

    Duration

    Helpful?
    Yes
    No
  • O

    omegafine

    Repeat Client

    US

    United States

    5

    Haris has been very professional, patient, and responsive throughout this project. He implemented the requested course structure, module organization, membership hierarchy updates, and system improvements while working through multiple revisions and changes. Communication was excellent, delivery was...

    $100-$200

    Price

    4 weeks

    Duration

    Helpful?
    Yes
    No
  • O

    omegafine

    Repeat Client

    US

    United States

    5

    Haris has been professional, responsive, and easy to work with throughout this project. He has strong technical skills and has been willing to make revisions as our project evolved. Communication has been respectful, and he has worked hard to implement the requested changes. I appreciate his dedication...

    $100-$200

    Price

    3 weeks

    Duration

    Helpful?
    Yes
    No
Reviews

20 reviews for this Gig
5.0

(20)
(0)
(0)
(0)
(0)
Rating Breakdown
  • Seller communication level
    5
  • Quality of delivery
    4.9
  • Value of delivery
    5
Sort By
Most relevant
  • O

    omegafine

    Repeat Client

    US

    United States

    5

    Harris has been professional, cooperative, and committed throughout our project. As our vision expanded from building a website into developing a complete business platform, he remained flexible and worked with us through many revisions and new requirements. He communicates well, documents his work,...

    $50-$100

    Price

    10 days

    Duration

    Helpful?
    Yes
    No
  • T
    image-docs

    tyleransophonie

    US

    United States

    5

    Seller successfully fixed the core multiplayer networking issues in my Unity Photon Fusion project. Players can now properly see each other, movement sync is working, and the main networking foundation is functioning correctly. Thank you! Will definity work with them again if i need to!

    $100-$200

    Price

    2 weeks

    Duration

    Helpful?
    Yes
    No
  • O

    omegafine

    Repeat Client

    US

    United States

    5

    Haris has been very professional, patient, and communicative throughout the project. He successfully implemented the LMS/module hierarchy structure inside the MemberPress system as discussed and remained flexible while refining the overall flow and organization. He consistently worked with me to stay...

    $200-$400

    Price

    4 weeks

    Duration

    Helpful?
    Yes
    No
  • O

    omegafine

    Repeat Client

    US

    United States

    5

    Haris has been very professional, patient, and responsive throughout this project. He implemented the requested course structure, module organization, membership hierarchy updates, and system improvements while working through multiple revisions and changes. Communication was excellent, delivery was...

    $100-$200

    Price

    4 weeks

    Duration

    Helpful?
    Yes
    No
  • O

    omegafine

    Repeat Client

    US

    United States

    5

    Haris has been professional, responsive, and easy to work with throughout this project. He has strong technical skills and has been willing to make revisions as our project evolved. Communication has been respectful, and he has worked hard to implement the requested changes. I appreciate his dedication...

    $100-$200

    Price

    3 weeks

    Duration

    Helpful?
    Yes
    No