Unity Developer - Build Ultra-Scale Mobile Games & AI

Who is Hiring; Warszawa; On-site; PLN 180,000 - 280,000; Full time

Benefits offered by this job

Generous compensation

Medical and life insurance

Relocation bonus to Warsaw

Meals and kitchen facilities

Latest tech equipment

Training & development reimbursement

Friend referral program

Team events and Happy Hours

Job summary

Moon Active, a global leader in mobile gaming, is seeking a Unity Developer in Warsaw to work on a large-scale, highly-optimized Unity codebase serving millions of concurrent users.

You will design architectures, implement end-to-end client-side features, and optimize performance across devices while integrating native plugins and third-party services. Join a fast-growing company offering extensive growth opportunities.

Qualifications

• 4 years of professional software development experience.
• Experience with Unity on mobile platforms and its APIs.
• Hands-on experience with Claude Code or Cursor.
• Strong knowledge of OOP, design patterns, and data structures.
• Proactive, good communicator.

Responsibilities

• Design architectures and implement end-to-end client-side features.
• Manage features from design to production deployment.
• Optimize performance across devices using data-driven methods.
• Integrate native plugins and third-party services.

Skills

Unity mobile

C# programming

OOP design patterns

Performance profiling

Strong communication

Proactive self-driven

Tools

Claude Code

Cursor

Job description

Moon Active, a global leader in mobile gaming, is seeking a Unity Developer in Warsaw to work on a large-scale, highly-optimized Unity codebase serving millions of concurrent users.

You will design architectures, implement end-to-end client-side features, and optimize performance across devices while integrating native plugins and third-party services. Join a fast-growing company offering extensive growth opportunities.