Contact person: Swift + Metal iOS Graphics Expert Needed (Canvas & DPI Fixes)

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Location: Faisalabad, Pakistan

Budget: Recommended by industry experts

Time to start: As soon as possible

Project description:
"We need an experienced iOS developer with strong graphics programming skills to fix critical canvas issues in our professional design app, Patternata. The app is used by designers to create textile patterns for printing, so accuracy and performance are very important.

The main tasks include fixing the broken pattern repeating system, making canvas sizing accurate at true physical dimensions and 300 DPI, solving export problems so the full canvas is captured, correcting scaling issues with the text tool, and ensuring DPI consistency across the workflow.

You should have at least 5 years of iOS development experience with Swift and UIKit, plus expertise in Metal, Core Graphics, and tiled rendering. Knowledge of DPI and commercial printing requirements is a must. Experience with Apple Pencil and PencilKit integration is also important.

The codebase is clean and well-documented, so you can focus directly on solving these issues without dealing with messy structure or unrelated feature requests.

If you’ve worked on graphics-heavy iOS apps with drawing, canvas, or professional printing output, please share examples. This is a fixed-price project with budget and timeline to be discussed." (client-provided description)