Senior Software Engineer, Core Experiences

Wikimedia Foundation

Senior Software Engineer developing web-first product experiences for Wikimedia Foundation. Leading the App Growth team to enhance mobile and web engagement.

Posted 5/11/2026full-timeRemote • Arizona, California, Colorado, Connecticut, 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

GoJavaJavaScriptPHPPythonReactTypeScriptVue.js

About the role

Key responsibilities & impact

Consistently leads the team in the delivery of medium complexity initiatives from technical discovery through delivery.
Improving the mobile Wikipedia product experiences across web and app surfaces.
Takes ownership of creating RESTful APIs, ensuring pipelines are simple to consume and reliable.
Consistently builds systems & software that is easy to test, observe and debug.
Partners with product managers, designers, analysts, and native app engineers to shape solutions.
Actively supports the growth and success of others through mentorship and code review.
Raises team standards in code review, technical design, testing, and documentation.
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 production web applications and services
Strong professional experience with JavaScript/TypeScript, Javascript frameworks such as Vue.js or React, and at least one backend language such as PHP, Python, Java, Go, or similar.
Experience building responsive or mobile-first web experiences, with attention to performance, accessibility, and usability.
Experience in designing and integrating with server-side APIs.
Experience working in a self-driven, lean environment
Commitment to the Foundation's Mission and Values.

Benefits

Comp & perks

Competitive salary
Flexible work arrangements
Professional development opportunities

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

JavaScriptTypeScriptVue.jsReactPHPPythonJavaGoRESTful APIsresponsive web design

Soft Skills

leadershipmentorshipcode reviewcollaborationcommunicationproblem-solvingattention to detailorganizational skillstechnical designdocumentation

Certifications

Bachelor's degree