Contact person: Business Client

Phone:Show

Email:Show

Location: Cuiabá, Brazil

Budget: Recommended by industry experts

Time to start: As soon as possible

Project description:
"I’m building a cross-device hub for single-player video games and need a developer (or small team) to take it from concept to a polished, public-ready release. The core idea is one code-base that runs smoothly on both PC and mobile devices, sharing the same accounts, saves, and progression data.

Scope of work
The job covers the full platform stack: responsive front-end UI, scalable back-end services, secure authentication, and an update system that lets me publish new titles without redeploying the whole client. Unity, Unreal, Godot, or a custom WebGL/React-Native hybrid are all acceptable as long as performance is consistent across desktop and iOS/Android. Cloud hosting can be AWS, Google Cloud, or Azure; choose whichever you can optimise best.

Integrated social layer
• User profiles with avatars, achievements, and cloud saves
• Friends lists that sync in real time
• In-app messaging (1-to-1 and small group chat) with basic moderation tools

Key expectations
• Smooth controller, keyboard, and touch support out of the box
• Secure data flow—OAuth2 or equivalent, end-to-end encrypted messaging
• An admin dashboard where I can upload new game builds, manage users, and push announcements
• Thorough documentation plus a short video walkthrough so future devs can jump in quickly

Acceptance criteria
1. A downloadable PC client and mobile builds (TestFlight/Google Play Internal) that launch at least one demo game from my repository.
2. All social features live and functional on the same user account across devices.
3. Latency tests under 150 ms round-trip for chat and friend status.
4. Clean handover: source code in a private repo, build pipeline scripts, and a README that lets me redeploy in one click.

Timeline is flexible but I’d like a playable alpha within eight weeks. If you have shipped cross-platform game services before, especially with Unity or WebGL, I’d love to see an example build or repo link when you bid." (client-provided description)