Senior Software Engineer, iOS

May 23, 2026
Apply for this position
Get daily iOS jobs and salary updates
Join iOS Market Pulse →

Team

Join the Wikimedia Foundation (nonprofit organization behind Wikipedia and other free knowledge projects) on the App Growth team within Core Experiences engineering group. The team has a clear goal: make the apps the destination for knowledge lovers and grow active readership. Fully remote, global organization.

Responsibilities

• Consistently lead team delivery of medium complexity initiatives from technical discovery through delivery; break down initiatives into features, drive estimation, manage scope, identify risks, and make pragmatic tradeoffs
• Improve mobile Wikipedia product experiences serving a global, multilingual audience on iOS; lead system design for medium-sized projects; design and build accessible, adaptable, scalable components
• Build and improve systems that are easy to test, observe, and debug; instrument features enabling deeper analysis by Product Analysts
• Partner with product managers, designers, analysts, and native app engineers to shape pragmatic solutions balancing user needs, technical constraints, platform expectations, and delivery timelines
• Proactively identify high-impact technical opportunities and risks across a quarter; partner with team to shape priorities and sequencing
• Actively support growth and success of others; mentor engineers through code review, technical design, pairing, delegation, and modeling strong engineering judgment
• Raise team standards in code review, technical design, testing, documentation, accessibility, observability, and decision-making
• Plan work with awareness of downstream/upstream effects; actively support hiring and onboarding

Requirements

• Bachelor's degree and 5+ years related professional experience with significant experience building iOS applications
• Strong professional experience and proficiency with Swift, SwiftUI, UIKit, and familiarity with iOS architectural patterns
• Experience with iOS performance optimization techniques for smooth, responsive, high-performing applications
• Experience working in a self-driven, lean environment
• Commitment to the Foundation's mission and values
• Remote role requiring at least 4 hours of workday between 14:00 UTC and 21:00 UTC

Preferred Qualifications

• Experience adding webview-wrapped experiences to existing native mobile apps
• Experience maintaining cross-platform mobile applications
• Experience building mobile games or other interactive mobile experiences
• Experience with data science, machine learning, and/or AI (prompt engineering, Jupyter notebooks)
• Familiarity with Wikipedia/wikitext/markdown editing or content management systems (MediaWiki, Drupal, WordPress)
• Experience leveraging agentic coding to scale work of small engineering teams
• Prior experience with MediaWiki or Wikimedia projects
• History of open source contributions

Benefits

• Fully remote, global organization
• Competitive, equitable pay based on skills, experience, and location (no salary history considered)
• Work on Wikipedia and free knowledge projects used by millions globally
• Not-for-profit, charitable organization mission
• Values diversity, inclusion, and equitable workplace
• Equal opportunity employer
• Reasonable accommodations available for applicants with disabilities
• Hiring in multiple US states and countries (Brazil, Canada, Colombia, Germany, Ghana, India, Indonesia, Italy, Kenya, Mexico, Morocco, Netherlands, Poland, Singapore, South Africa, Spain, Switzerland, UK) through local EOR

Apply for this position

Sponsored Jobs

In partnership with
Looking for your next iOS opportunity?

Join the Mobile Signal Talent Directory and make your profile visible to hiring teams searching for iOS talent.

Join the Directory
© 2026 Mobile Signal. All rights reserved.
Made by
Stan
linkedin