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Walk Talk Ltd
Senior Unity Developer

Senior Unity Developer

Remote

England, United kingdom

Senior

Freelance

02-12-2025

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Skills

C# Unity Xcode CI/CD Problem-solving A/B Testing Architecture Analytics CI/CD Pipelines FireBase

Job Specifications

Senior Unity Developer (Mobile/iOS)

Location: Remote

About the Role

We’re looking for a highly skilled Senior Unity Developer with deep experience building and shipping mobile applications, specifically for iOS. You’ll play a key role in designing, developing, and optimizing our mobile experiences, integrating third-party SDKs, and ensuring smooth and scalable performance across devices.

What You’ll Do

Lead the development of mobile features and systems using Unity targeting iOS.
Integrate and maintain third-party SDKs, including Facebook, Firebase, TikTok, and other mobile-focused services.
Architect, implement, and optimize asset management pipelines using Asset Bundles and Unity Addressables.
Design clean, modular project structures using .asmdef files for improved compile times and dependency control.
Collaborate closely with product, design, and QA teams to deliver high-quality user experiences.
Maintain code quality through code reviews, automated testing, and best practices.
Troubleshoot, profile, and optimize performance issues on mobile hardware.

What We’re Looking For

5+ years of professional Unity development experience.
Strong experience shipping iOS apps using Unity.
Hands-on experience integrating major mobile SDKs (e.g., Facebook SDK, Firebase, TikTok SDK).
Deep understanding of C#, Unity UI systems, and mobile lifecycle.
Solid experience with Asset Bundles and/or Addressables.
Knowledge of Assembly Definition Files (.asmdef) and how to structure projects with them.
Experience with Xcode workflows, provisioning profiles, and iOS app submission.
Strong problem-solving skills and ability to work independently.

Nice to Have

Experience with CI/CD pipelines for Unity+iOS.
Familiarity with analytics, A/B testing frameworks, or ad mediation SDKs.
Background in performance profiling or memory optimization.

Why You’ll Love Working With Us

Opportunity to shape and influence core systems and architecture.
Collaborative, growth-focused team culture.
Competitive pay
Flexible work environment.