Senior iOS Engineer — Remote, Build Global Wikipedia Apps

Wikimedia Foundation; Virginia; Remote; USD 56,000 - 87,000; Full time

Job summary

The Wikimedia Foundation is seeking a Senior Software Engineer, iOS to join the App Growth team within the Core Experiences group on a 3-month full-time contract. This is a fully remote role with a required daily overlap window of 14:00–21:00 UTC to ensure effective communication across global teams.

You will lead the design and delivery of medium-scale iOS initiatives, focusing on high-quality, scalable mobile experiences for a multilingual audience, and collaborate closely with product,

Qualifications

• 5-10+ years related professional experience building iOS applications.
• Strong proficiency with Swift, SwiftUI, UIKit and familiar architectural patterns in iOS.
• Experience with iOS performance optimisation techniques for responsive apps.

Responsibilities

• Delivery of medium complexity initiatives from technical discovery through delivery.
• Leads system design for medium-sized projects and builds accessible, scalable components.
• Ensures software is easy to test, observe, and debug with measurable analytics.
• Partners with product managers, designers, analysts, and native app engineers to balance user needs and constraints.
• Proactively identifies high-impact technical opportunities and risks and aligns team on priorities and timing.
• Follows team standards in code review, technical design, testing, and documentation.

Skills

Swift

SwiftUI

UIKit

iOS architecture

Education

Bachelor's degree

Job description

The Wikimedia Foundation is seeking a Senior Software Engineer, iOS to join the App Growth team within the Core Experiences group on a 3-month full-time contract. This is a fully remote role with a required daily overlap window of 14:00–21:00 UTC to ensure effective communication across global teams.

You will lead the design and delivery of medium-scale iOS initiatives, focusing on high-quality, scalable mobile experiences for a multilingual audience, and collaborate closely with product,