Live Ops Backend Engineer – Scalable Mobile Game

First Fun; Santa Clara (CA); On-site; USD 130,000 - 150,000; Full time

Job summary

First Fun is seeking a skilled Backend Engineer to design and operate the live-service infrastructure for a mobile game. You will create scalable systems that support detailed player experiences, ensuring performance and reliability for thousands of concurrent users.

This role demands expertise in Java and a strong understanding of efficient system design, as well as experience with cloud services and modern backend architecture. The job offers a unique opportunity to be part of a passionate team reshaping mobile gaming experiences.

Qualifications

• 3–5+ years of experience building production-scale backend services in Java.
• Expert knowledge of API and distributed state management.
• Familiarity with player-facing systems such as progression or social features.
• Experience with performance optimization and scalability.

Responsibilities

• Design scalable backend services for concurrent players.
• Build production systems focusing on reliability and performance.
• Implement caching and distributed state management.
• Operate backend services for live gameplay events.

Skills

Backend services in Java

High-concurrency systems

Distributed architectures

Relational/NoSQL databases

API and network protocol design

Agile methodologies

Cross-team communication

Tools

AWS/GCP

Docker

Kubernetes

Kafka

RabbitMQ

Job description

First Fun is seeking a skilled Backend Engineer to design and operate the live-service infrastructure for a mobile game. You will create scalable systems that support detailed player experiences, ensuring performance and reliability for thousands of concurrent users.

This role demands expertise in Java and a strong understanding of efficient system design, as well as experience with cloud services and modern backend architecture. The job offers a unique opportunity to be part of a passionate team reshaping mobile gaming experiences.