Unity developer

Moon Active is a company driven by the mission to become a global leader in mobile gaming. Founded in 2011, our passion for creativity, cutting-edge technology, and delivering exceptional player experiences has resulted in games enjoyed by millions worldwide.

As a Unity Developer you’ll be working on one of the mobile gaming industry’s most complex and successful products, a large-scale, highly-optimized Unity codebase that serves millions of concurrent users globally. This isn’t your typical mobile game project. It’s a sophisticated, ever-evolving system that demands exceptional architectural thinking, performance optimisation expertise, and the ability to maintain quality at scale.

Responsibilities

Manage features from system design and data handling to production deployment

Design architectures and implement end-to-end client-side features, leveraging LLMs from day-to-day development processes up to system architecture

Use data-driven methods to resolve production issues and optimize performance across all devices

Manage the integration of native plugins and third-party services

Requirements

2+ years of professional experience in software development

Hands-on experience with Claude Code, Cursor or similar

Experience with object-oriented programming, including design patterns, algorithms, and data structures

Strong knowledge of an OOP language (C# or equivalent) and memory management

Proactive, self-driven, with strong communication skills

Experience with Unity on mobile platforms, including its scripting APIs, profiling tools, UI, and animations

Advantages

AI engineering - Experience in building agentic & autonomous frameworks

Experience working in a high scale data driven environment - firebase, analytics, metrics etc

Benefits

Why join Moon Active?

Be part of a leading global mobile gaming company with a unique product enjoyed by millions

Thrive in an exceptional, innovative, and dynamic environment;

Enjoy full transparency and open communication with talented colleagues across teams

Take advantage of tremendous opportunities for professional growth and career advancement within a rapidly expanding company

Influence and help build personalized product experiences that impact millions of users worldwide

We offer

Generous compensation; paid vacation and sick leave

Extensive medical and life insurance coverage for you and your family

From Yoga & Pilates to CrossFit & running classes - we keep moving. Plus a MultiSport card to top it off

Comfortable and modern office located on Królewska 16 street in Warsaw

Free daily breakfasts and lunches, and a fully stocked kitchen with snacks and fruits

Latest tech equipment, including macOS devices

Training & Development/Tuition reimbursement

Friend Referral Program with generous bonuses

Fun and collaborative workplace culture with regular Friday Happy Hours and team gatherings

Relocation bonus for candidates moving to Warsaw

Bicycle and Car parking