Senior Unity Engineer - Scale Mobile Games & AI Features

Moon Active; Warszawa; Hybrid; PLN 120,000 - 190,000; Full time

Benefits offered by this job

Generous compensation

Paid vacation

Sick leave

Medical insurance

Life insurance

Office fitness

MultiSport card

Free breakfasts

Free lunches

Tuition reimbursement

Referral bonuses

Team events

Relocation bonus

Parking

Job summary

Moon Active in Warsaw is seeking a Unity Developer to work on a large-scale mobile game engine used by millions of players worldwide. You’ll design architectures, implement client-side features, and optimize performance on iOS and Android within a highly collaborative team.

You should have 2+ years in software development, strong C# and Unity experience, and good memory management. Fluent communication and Ukrainian language ability are valued as part of our diverse, fast-paced environment and

Qualifications

• 2+ years of professional software development experience.
• Proficient in C# and Unity with performance awareness.
• Solid understanding of OOP, design patterns and data structures.
• Experience with memory management and mobile platforms.
• Proactive, communicative, and able to work in a fast-paced team.
• Ukrainian language proficiency is required.

Responsibilities

• Manage features from system design to production deployment.
• Design architectures and implement end-to-end client-side features using Unity.
• Use data-driven methods to resolve production issues and optimize performance.
• Integrate native plugins and third-party services.

Skills

Unity

C#

OOP

Memory management

Design patterns

Algorithms

Mobile Unity

Ukrainian language

Strong communication

Tools

Claude Code

Cursor

Job description

Moon Active in Warsaw is seeking a Unity Developer to work on a large-scale mobile game engine used by millions of players worldwide. You’ll design architectures, implement client-side features, and optimize performance on iOS and Android within a highly collaborative team.

You should have 2+ years in software development, strong C# and Unity experience, and good memory management. Fluent communication and Ukrainian language ability are valued as part of our diverse, fast-paced environment and