Senior Unity Developer

5 days ago

London, Greater London, United Kingdom Walk Talk Ltd Full time £60,000 - £90,000 per year

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.

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