Remote Senior iOS Engineer - App Growth Lead

Wikimedia Foundation; Saint Paul (MN); Remote; USD 120,000 - 180,000; Full time

Job summary

The Wikimedia Foundation is seeking a Senior Software Engineer, iOS to join the App Growth team on a 3-month, full-time contract. The role is fully remote with a required daily overlap of 14:00–21:00 UTC to ensure collaboration across time zones.

You will lead design and delivery of medium-sized iOS initiatives, driving architecture, performance, accessibility, and observability while collaborating with product, design, analytics, and native app engineers to balance user needs and technical

Qualifications

• Bachelor's degree and 5-10+ years building iOS apps.
• Strong Swift, SwiftUI, UIKit; familiarity with iOS architecture patterns.
• Experience improving performance and working in lean, self-driven environments.

Responsibilities

• Delivery of medium complexity initiatives from technical discovery through delivery. Breaks down initiatives into features, drive estimation and manage scope.
• Improving the mobile Wikipedia product experiences that serve a global, multilingual audience on iOS. Leads system design for medium-sized projects and can design and build accessible, adaptable, scalable components.
• Consistently builds software that is easy to test, observe and debug. Instruments features that enable deeper analysis by Product Analysts.
• Partners with product managers, designers, analysts, and native app engineers to shape pragmatic solutions that balance user needs, technical constraints, platform expectations, and delivery timelines.
• Proactively identifies high-impact technical opportunities and risks across the engagement timeframe, works with the team to clarify priorities and sequencing. Actively keeps the team aligned on outcomes, capacity, and shared goals.
• Complies with team standards in code review, technical design, testing, documentation, accessibility, observability, and decision-making - fostering transparency, empathy, and collaboration.
• Plans work with awareness of downstream or upstream effects.

Skills

Swift

SwiftUI

UIKit

iOS performance optimization

Cross-functional collaboration

Self-driven lean environment

Xcode

Education

Bachelor's degree in Computer Science

Tools

Xcode

Job description

The Wikimedia Foundation is seeking a Senior Software Engineer, iOS to join the App Growth team on a 3-month, full-time contract. The role is fully remote with a required daily overlap of 14:00–21:00 UTC to ensure collaboration across time zones.

You will lead design and delivery of medium-sized iOS initiatives, driving architecture, performance, accessibility, and observability while collaborating with product, design, analytics, and native app engineers to balance user needs and technical