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Senior Mobile Developer

Job in Greater London, London, Greater London, EC1A, England, UK
Listing for: Ultralytics
Full Time, Part Time position
Listed on 2026-01-16
Job specializations:
  • Software Development
    AI Engineer, Machine Learning/ ML Engineer
Job Description & How to Apply Below
Location: Greater London

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At Ultralytics, we relentlessly drive innovation in AI, building the world's leading YOLO models. We're looking for passionate individuals obsessed with AI, eager to make a global impact, and ready to excel in a dynamic, high-energy environment. Join our team and help shape the future of AI.

🌎 Location and Legalities

This full-time Mobile Developer position is based onsite in our brand-new Ultralytics office in London, UK.

🚀 What You'll Do

As a Mobile Developer at Ultralytics, you will contribute to the development and refinement of our open-source iOS and Android apps, which facilitate real-time edge inference of trained YOLO models.

Key responsibilities include:

  • Designing and implementing mobile applications using Flutter for both iOS and Android platforms (native experience is a big plus).
  • Integrating and optimizing Apple CoreML YOLO models for iOS and Tensor Flow Lite and Tencent NCNN YOLO models for Android.
  • Ensuring high performance and responsiveness of the applications for real-time AI processing.
  • Collaborating with cross-functional teams to define, design, and ship new features with a focus on cloud-to-edge AI capabilities.
  • Maintaining code quality, organization, and automatization.
  • Staying up-to-date with the latest industry trends in mobile development and machine learning technologies.

Your strategic vision and technical expertise will be essential in supporting Ultralytics' mission of delivering top-tier machine learning tools and models to the community.

🛠️ Skills and Experience
  • 5+ years of experience in mobile development, with a strong understanding of Flutter.
  • Proficient in native mobile development for iOS and Android.
  • Familiarity with machine learning and computer vision models, particularly YOLO models.
  • Experience with iOS frameworks such as CoreML, and Android frameworks like Tensor Flow Lite and Tencent NCNN.
  • Excellent problem-solving skills and the ability to perform in a fast-paced, high-intensity environment.
  • Strong communication skills to effectively collaborate with multi-disciplinary teams.
🌟 Cultural Fit - Intensity Required

Ultralytics is a high-performance environment for world-class talent obsessed with achieving extraordinary results. We operate at a relentless pace, demanding exceptional dedication and an unwavering commitment to excellence, guided by our mission, vision, and values. Our team thrives on audacious goals and absolute ownership. This is not a conventional workplace. If your priority is predictable comfort or a standard work-life balance over the relentless pursuit of progress, Ultralytics is not for you.

We seek driven individuals prepared for the profound personal investment required to make a defining contribution to the future of AI.

💶 Compensation and Benefits
  • Competitive Salary: Highly competitive based on experience.
  • Startup Equity: Participate directly in our company's growth and success.
  • Hybrid Flexibility: 3 days per week in our brand-new office - 2 days remote
  • Generous Time Off: 24 days vacation, your birthday off, plus local holidays.
  • Flexible

    Hours:

    Tailor your working hours to suit your productivity.
  • Tech: Engage with cutting-edge AI projects.
  • Gear: Brand-new Apple Mac Book and Apple Display provided.
  • Team: Become part of a supportive and passionate team environment.

If you are driven to redefine the capabilities of machine learning and eager to make a significant impact, Ultralytics offers an exceptional career opportunity.

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Position Requirements
10+ Years work experience
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