Senior Web Engineer — Remote, Full-Stack & Growth Impact

Wikimedia Foundation; United States; Remote; USD 56,000 - 87,000; Full time

Job summary

The Wikimedia Foundation is seeking a Senior Software Web Engineer contractor to join the App Growth team within Core Experiences on a 3-month full-time contract. This role focuses on web-first product experiences, APIs, and platform integrations across web, mobile web, and native app surfaces to drive reader engagement.

We are a fully remote, globally distributed team with core hours between 15:00 and 21:00 UTC to ensure communication coverage.

Qualifications

• Bachelor's and 5-10+ years related professional experience with production web apps and services.
• Strong experience with JavaScript/TypeScript, Vue.js, and PHP.
• Experience building responsive or mobile-first web experiences with focus on performance, accessibility, and usability.
• Experience designing and integrating with server-side APIs.
• Experience delivering in a self-driven, lean environment.
• Commitment to the Wikimedia Foundation's Mission and Values.

Responsibilities

• Delivery of medium complexity initiatives from discovery through delivery; break down into features and manage scope.
• Frontend implementation to create mobile-first Wikipedia product experiences across web and app surfaces.
• Backend implementation of RESTful APIs to support scalable data pipelines for mobile and web clients.
• Quality, testing and observability to enable deeper product analytics.
• Cross-functional collaboration with product, design, analytics, and native app engineers.
• Proactive prioritization of high-impact opportunities and risks across engagement timelines.
• Adherence to team standards in code review, design, testing, documentation, and accessibility.
• Operational awareness of downstream and upstream effects.

Skills

JavaScript/TypeScript

Vue.js

PHP

Web performance

Accessibility

Education

Bachelor's degree

Tools

Vue.js

PHP

RESTful APIs

Web apps

Job description

The Wikimedia Foundation is seeking a Senior Software Web Engineer contractor to join the App Growth team within Core Experiences on a 3-month full-time contract. This role focuses on web-first product experiences, APIs, and platform integrations across web, mobile web, and native app surfaces to drive reader engagement.

We are a fully remote, globally distributed team with core hours between 15:00 and 21:00 UTC to ensure communication coverage.