Freelance Remote Unity Developer Jobs in Missouri

• Develop and maintain complex mobile UI features for production applications, including screens, states, animations, adaptive layouts, onboarding experiences, and payment flows.
• Design and evolve UI architecture using dependency injection principles and frameworks such as Zenject, ensuring modularity, maintainability, and efficient component lifecycle management.
• Work with Addressables and remote content systems, including content loading, version management, and production stability improvements.
• Ensure software quality through automated testing practices, including unit and integration tests, critical scenario coverage, and CI support.
• Optimize Unity application performance and memory usage through profiling, garbage collection management, TextMeshPro optimization, and allocation control.
• Participate in code reviews and contribute to reducing technical debt while maintaining delivery efficiency.
• Support release processes and production environments, ensuring application reliability and continuous improvement.
• Mentor team members and help strengthen engineering practices, coding standards, and technical knowledge sharing.
• Collaborate with cross-functional teams to deliver polished and engaging mobile experiences.

• 3+ years of professional experience developing Unity applications, especially for mobile platforms.
• Strong understanding of object-oriented programming, SOLID principles, and practical application of design patterns in production environments.
• Advanced knowledge of C# and asynchronous programming concepts, including Task and UniTask.
• Strong experience developing Unity UI systems, including TextMeshPro, responsive layouts, animations, and complex interface states.
• Experience implementing dependency injection solutions such as Zenject or similar frameworks.
• Practical experience with Addressables and remote content management, including loading strategies, versioning, and fallback logic.
• Experience working with remote configuration systems, feature flags, and A/B testing experiments.
• Understanding of Unity performance optimization, memory management, garbage collection, and profiling techniques.
• Experience creating and maintaining automated tests, including unit tests, integration tests, and basic play mode testing.
• Ability to work independently, take ownership of responsibilities, and collaborate effectively with engineering teams.

Nice-to-have qualifications:

• Experience with native mobile integrations using Swift/Objective-C, Java/Kotlin, or Unity plugin development.
• Experience building or maintaining CI/CD processes for mobile applications, including automated builds, testing, and release pipelines.

• 20 working days of annual paid vacation.
• Unlimited paid sick leave.
• Compensation for external training, workshops, seminars, and professional development activities.
• Access to digital libraries, premium online courses, and industry conferences.
• English courses and speaking clubs.
• Corporate healthcare support and medical insurance from the first working day.
• Access to corporate psychologist sessions focused on well-being and balance.
• Vaccination and health check-up programs.
• Office benefits including meals, breakfasts, snacks, and fresh fruits.
• Sports activities and wellness initiatives.
• Professional massage services.
• Opportunity to work on a globally recognized product with meaningful social impact.
• Collaborative environment with experienced professionals and strong opportunities for growth.