# Senior Unity Engineer (Mobile Games)

> UserWise Services · Serbia (Remote) · — · Posted 2026-03-13

**Workplace:** remote

**Department:** Engineering

## Description

**Type:** Full time - Remote

**Location:** Remote - Europe (Serbia, Poland, Romania, Hungary, or Bulgaria preferred).

### Role Overview

We are looking for a **Senior Unity Engineer (Mobile F2P Games)** to help build and scale our live-service mobile titles.

This role is ideal for engineers who enjoy working across gameplay systems, UI, and live-service features in a fast-moving development environment.

Senior Engineers are **hands-on builders** who collaborate closely with designers, artists, and product leaders to turn ideas into polished player experiences.

Engineers on our team operate as **generalists**, contributing across gameplay systems, UI, and live-service infrastructure.

### What You'll Work On

-   Free-to-play mobile games spanning **casual, puzzle, and action experiences**
-   Live-service systems including progression, events, rewards, and monetization features
-   Gameplay systems and player interactions that support highly replayable mobile experiences
-   Tools and content pipelines that allow designers to rapidly ship new features and live updates

### Engineering Culture

Our engineers work in **small, high-ownership teams** where developers collaborate directly with design and product to ship features quickly, iterate based on player feedback, and continuously improve our live games.

### Responsibilities

-   Implement gameplay mechanics and systems using **Unity and C#** for mobile games
-   Translate design ideas and requirements into scalable, maintainable gameplay systems
-   Build modular systems that support rapid iteration and live-service content updates
-   Implement UI flows and gameplay feedback systems
-   Integrate art assets, animations, and gameplay content into the client
-   Support progression systems, rewards, events, and monetization features
-   Optimize performance, memory usage, and stability across mobile devices
-   Identify and resolve technical issues and gameplay bottlenecks
-   Collaborate closely with designers, artists, and producers to deliver features
-   Participate in code reviews and contribute to engineering best practices

## Requirements

### Required

-   5+ years professional game development or Unity engineering experience
-   3+ years developing games using **Unity and C#**
-   Experience shipping **commercial mobile games**
-   Experience working on **free-to-play or live-service mobile games**
-   Strong understanding of **object-oriented programming and software architecture**
-   Strong knowledge of Unity including scripting, animation systems, UI, and asset integration
-   Experience optimizing performance, memory usage, and build size for mobile devices
-   Proficient with version control systems such as **Git**
-   Strong written and spoken **English communication skills** (required for collaboration with a global team)

### Preferred

-   Experience integrating backend services and APIs
-   Experience working with analytics and telemetry systems
-   Familiarity with modern software architecture and design patterns
-   Experience working with animation systems, physics systems, or particle effects
-   Experience collaborating in cross-disciplinary product teams

### Bonus Skills

-   Experience supporting large-scale live operations and seasonal events
-   Experience improving development pipelines and engineering tooling
-   Experience working on games with large player bases

### AI & Development Tools

-   Experience using **AI-assisted engineering tools**
-   Strong interest in adopting **AI-driven development workflows**

## Benefits

-   Contribute directly to **live-service mobile games** from development through launch and ongoing live operations
-   Work in a **small, collaborative team** where your work ships quickly and has real player impact
-   **High ownership and visibility**, with direct influence on how players experience our games
-   **100% remote, flexible work** with a globally distributed team
-   **Paid Time Off** and flexible scheduling
-   **Annual performance reviews** and opportunities for career growth

## Apply

[Apply at UserWise Services](https://apply.workable.com/userwise-services/j/FBAF834ADD/apply)

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