Senior iOS Engineer - Remote, Impactful App Growth

Wikimedia Foundation; California; 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 engineering group on a 3-month full-time contract. This is a remote role with a required daily overlap between 14:00 and 21:00 UTC to ensure communication.

You will deliver medium complexity iOS initiatives, lead system design for mid-size projects, and build observable, well-tested components for a multilingual global audience.

Qualifications

• Bachelor's degree and 5–10+ years of professional iOS experience.
• Strong Swift, SwiftUI, UIKit and iOS architecture knowledge.
• Experience optimizing iOS performance across devices and conditions.
• Experience working in a lean, self-driven environment.
• Commitment to Wikimedia Foundation mission and values.

Responsibilities

• Deliver medium complexity initiatives from discovery through delivery.
• Lead system design for medium-sized iOS projects.
• Build observable, testable, and debuggable code.
• Collaborate with product, design, data and other engineers to balance needs and constraints.
• Identify priorities, risks and align team on outcomes.
• Follow code reviews, technical design, testing, accessibility standards and documentation.
• Plan work with awareness of downstream or upstream effects.

Skills

Clear communicator

Autonomy

Feedback

Relationships

Ambiguity tolerance

Knowledge sharing

Outcome oriented

Education

Bachelor's degree in CS/related field

Bachelor's/Master's/Doctorate in CS or STEM

Job description

The Wikimedia Foundation is seeking a Senior Software Engineer, iOS to join the App Growth team within the Core Experiences engineering group on a 3-month full-time contract. This is a remote role with a required daily overlap between 14:00 and 21:00 UTC to ensure communication.

You will deliver medium complexity iOS initiatives, lead system design for mid-size projects, and build observable, well-tested components for a multilingual global audience.