Lead Mobile Game Client Engineer

First Fun; Singapore; On-site; SGD 180,000 - 280,000; Full time

Job summary

First Fun seeks a Lead Client Engineer to own the client-side architecture for a next‑gen mobile game. You will guide core gameplay systems, UI, rendering, assets, and live-service client infrastructure, coordinating with design, art, and backend teams.

You will lead production-quality code, shape engineering direction, and promote AI-assisted workflows for rapid prototyping, testing, and content iteration across iOS and Android.

Qualifications

• 6+ years of professional game development experience, including leadership experience.
• Proficiency with Unity, Unreal Engine, or other real-time engines; strong coding in C# and/or C++.
• Experience designing and shipping scalable client-side systems for commercial games.

Responsibilities

• Lead architecture, development, and optimization of a scalable mobile game client.
• Build and maintain core gameplay systems, UI, animation integration, networking, and live-service features.
• Drive client performance across rendering, memory, CPU/GPU, loading, and device compatibility on iOS and Android.
• Collaborate with designers, artists, backend engineers, QA, and product teams to deliver polished gameplay experiences.
• Design systems to support rapid content iteration, remote configuration, analytics, feature flags, and seasonal live ops.
• Mentor engineers, establish engineering best practices, and provide technical leadership across the client team.
• Champion AI-assisted development workflows to improve prototyping, testing, tooling, and engineering productivity.

Skills

Leadership

Real-time game development

Unity

Unreal Engine

C#

C++

Cross-functional collaboration

Mentoring engineers

Tools

CI/CD

Analytics

Job description

First Fun seeks a Lead Client Engineer to own the client-side architecture for a next‑gen mobile game. You will guide core gameplay systems, UI, rendering, assets, and live-service client infrastructure, coordinating with design, art, and backend teams.

You will lead production-quality code, shape engineering direction, and promote AI-assisted workflows for rapid prototyping, testing, and content iteration across iOS and Android.