Senior Backend Engineer Location: Onsite (Lahore) Experience:  3–6+ Years Employment Type: Full-time Stack: Node.js, NestJS, PostgreSQL, Redis, AWS Job Overview We are hiring a Senior Backend Engineer to design, build, and scale core backend systems for a mobile gaming platform.

You will work on high-impact systems including wallet, rewards, transactions, fraud detection, payouts, and admin modules.

The role requires strong ownership of backend systems from design to production, ensuring scalability, performance, and correctness at scale.

Responsibilities Design, develop, and maintain scalable backend systems using Node.js and NestJS with a strong focus on clean architecture and maintainability Build and manage wallet, reward, and transaction systems ensuring accurate balance handling and consistent user state Develop ledger-based financial systems ensuring every transaction is recorded, traceable, and concurrency-safe Implement payout workfl...