Senior iOS Image Processing Engineer for Photo Editing App

We're building a photo editing app for content creators with a strong and growing user base. We're looking for an experienced iOS engineer who specialises in image processing to help us build and refine our core adjustment tools. What you'll be working on: Exposure, contrast, highlights, shadows, saturation, and tone curve tools Grain, fade, and film emulation effects LUT-based filter pipeline Performance optimization so edits render smoothly in real time You're a fit if you have: Strong experience with Core Image and/or Metal A portfolio of shipped photo or video editing apps An eye for how adjustments feel, not just how they function Experience building tools that match the quality bar of apps like VSCO or Lightroom Mobile Nice to have: Experience with color science or computational photography Familiarity with LUT creation and application Engagement: Project-based to start, with potential for ongoing work as we scale.