Senior Software Engineer, iOS

Wikimedia Foundation

Senior Software Engineer improving iOS product experiences at Wikimedia Foundation. Lead design and maintain high-quality iOS applications for a global audience while collaborating cross-functionally.

Posted 5/23/2026full-timeRemote • Arizona, California, Colorado, Connecticut, District of Columbia, Florida, Idaho, Illinois, Iowa, Maryland, Massachusetts, Minnesota, Missouri, Montana, New Jersey, New Mexico, New York, North Carolina, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming • 🇺🇸 United StatesSenior💰 $113,082 - $175,725 per yearWebsite

Tech Stack

Tools & technologies

iOSSwift

About the role

Key responsibilities & impact

Delivery and enablement - Consistently leads the team in the delivery of medium complexity initiatives (with support) from technical discovery through delivery.
Implementation - Improving the mobile Wikipedia product experiences that serve a global, multilingual audience on iOS.
Quality, testing and observability - Consistently builds and improves systems & software that is easy to test, observe and debug.
Cross-functional collaboration - 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.
Prioritisation - Proactively identifies high-impact technical opportunities and risks across a quarter.
Mentorship - Actively supports the growth and success of others.
Culture and standards - Raises team standards in code review, technical design, testing, documentation, accessibility, observability, and decision-making.
Operational Awareness - Plans work with awareness of downstream or upstream effects.

Requirements

What you’ll need

Bachelor's and 5+ years related professional experience with significant experience building iOS applications
Strong professional experience and proficiency with Swift, SwiftUI, UIKit, and familiarity with architectural patterns in iOS.
Experience of iOS performance optimisation techniques to ensure smooth, responsive, and high-performing applications under a variety of conditions.
Experience working in a self-driven, lean environment
Commitment to the Foundation's Mission and Values.

Benefits

Comp & perks

Health insurance
401(k) matching
Flexible work hours
Paid time off

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

SwiftSwiftUIUIKitiOS applicationsiOS performance optimisationtechnical discoverycode reviewtechnical designtestingdocumentation

Soft Skills

leadershipcross-functional collaborationmentorshipprioritisationoperational awareness

Certifications

Bachelor's degree