Senior Unity Developer at Walk Talk Ltd, Remote, £Contract Rate

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.