Unity Developer (Coin Master)

Hoorya; Warszawa; On-site; PLN 134,000 - 201,000; Full time

Benefits offered by this job

Medical insurance

Life insurance

Relocation bonus

Office in Warsaw

Free meals

Tech equipment

Tuition reimbursement

Referral bonuses

Job summary

Moon Active in Warsaw is seeking a Unity Developer to join a global mobile gaming team. You’ll work on a large-scale, optimized Unity codebase supporting millions of concurrent users and contribute to architecture, performance, and quality at scale.

You’ll design end-to-end client features, integrate native plugins, and apply data-driven methods to solve production issues. The role requires 2+ years of software development and strong knowledge of C# and Unity on mobile platforms.

Qualifications

• 2+ years of professional software development experience.
• Proficiency in C# or an equivalent OO language and memory management.
• Experience with Unity on mobile platforms and its APIs, profiling tools, UI and animations.
• Hands-on experience with designing patterns, algorithms and data structures.

Responsibilities

• Manage features from design and data handling 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

C# programming

Unity (mobile)

Object-oriented design

Memory management

Tools

Claude Code

Cursor

Job description

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
• Native Ukrainian speaker

Nice to have

• 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
• Comprehensive medical and life insurance for you and your family members
• CrossFit & running classes at the office and MultiSport card
• Comfortable office located on Królewska 16 street, Warsaw
• Free daily breakfasts and lunches, as well as a fully stocked kitchen with snacks and fruits
• The latest tech equipment, including macOS devices
• Training & Development/Tuition reimbursement
• Friend Referral Program with generous bonuses Friday
• Happy Hours and team gatherings to foster a fun and collaborative workplace culture
• Relocation bonus for non-local candidates
• Bicycle and Car parking

Ile zarabia Analyst 12 000 PLN UoP (gross/month) 18 100 PLN JDG (B2B) (net/month)