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Senior Backend Developer (Java) - Mobile Game Platform
UserWise Services
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lahore, Pakistan
Location
lahore
Posted
June 08, 2026
Commute
Local Area
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This job is in your area. Enjoy a short commute and work close to home.
Job Description
About the Role
We are hiring a Senior Backend Developer to maintain and extend the backend for a live mobile game (Cocos C++ client + Java services). You will work on gameplay APIs, player data integrity, ranking systems, payments, and platform services in a high-traffic production environment.
What Success Looks Like
- You can safely ship new game operations without breaking existing client contracts.
- You improve reliability of account data and ranking flows under real player load.
- You reduce incident risk in transfer/payment paths through stronger validation and observability.
What Youβll Work On
- Build and maintain Java backend services that power core gameplay and account flows.
- Implement and evolve request handlers behind the game protocol endpoint (/bnb/operation) using requestKey dispatching.
- Own data consistency across MySQL + Redis, including transactional and partial-f...