Senior Software Engineer, MediaWiki

🕒 April 21

🌵 Arizona, California, +28 more states – Remote

🌵 Arizona – Remote 🏄 California – Remote ⛰️ Colorado – Remote 🦌 Connecticut – Remote 🐊 Florida – Remote 🥔 Idaho – Remote 🌽 Illinois – Remote 🌾 Iowa – Remote 🏖️ New Jersey – Remote 🗽 New York – Remote 🌲 North Carolina – Remote 🏈 Ohio – Remote 🌪️ Oklahoma – Remote 🌲 Oregon – Remote 🦀 Maryland – Remote 🍂 Massachusetts – Remote 🚗 Michigan – Remote ❄️ Minnesota – Remote 🏰 Missouri – Remote 🔔 Pennsylvania – Remote ⚓ Rhode Island – Remote 🎸 Tennessee – Remote 🤠 Texas – Remote ⛷️ Utah – Remote 🍁 Vermont – Remote ⚔️ Virginia – Remote ☕ Washington – Remote ⛰️ West Virginia – Remote 🧀 Wisconsin – Remote 🦬 Wyoming – Remote

💵 $113.1k - $175.7k / year

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

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Wikimedia Foundation

WebsiteLinkedInAll Job Openings

501 - 1000 employees

Founded 2003

🤝 Non-profit

📚 Education

📱 Media

💰 $2.5M Grant on 2019-09

Non-profit • Education • Media

Wikimedia Foundation is a nonprofit charitable organization dedicated to the growth, development, and distribution of free, multilingual content. It provides the essential infrastructure for free knowledge, including hosting Wikipedia, the free online encyclopedia that is created, edited, and verified by a global community of volunteers. Supported primarily through donations, Wikimedia Foundation promotes collaborative projects that aim to share knowledge reflecting human diversity and strives to protect everyone's right to access free and open knowledge.

📋 Description

• Designing, improving, and maintaining key parts of the MediaWiki stack; • Driving technical quality and operational excellence by defining and reinforcing standards in testing, observability, and system reliability; • Comfortably and autonomously creating proofs of concept, writing design documents, and breaking down complex projects into actionable tasks to support less experienced team members; • Developing and improving shared capabilities (e.g., authentication, caching, rate limiting) that enable other teams to build efficiently and consistently; • Championing key product metrics by focusing on measurable outcomes that guide our decisions and help us to evaluate success; • Leading by example in code review, decision-making, and team culture - fostering transparency, empathy, and collaboration; • Improving and automating processes for identifying, tracking, and resolving production issues; • Collaborating with the Product team and the community to ensure technical solutions align with WMF strategy, feature teams and volunteer contributor needs; • Coaching and mentoring teammates to support continuous growth and confidence in both technical and interpersonal skills.

🎯 Requirements

• Commitment to the Foundation's Mission and Values • Extensive experience in backend software engineering • Familiarity with platform or infrastructure products that serve internal or external engineering teams • Experience with databases and event streams, including schema design, query optimization, and efficient data access patterns • Deep understanding of software architecture, testing methodologies, and system design • Strong experience in observability practices: setting up metrics, logging, monitoring, and alerting • Familiarity with incident response, root cause analysis, and follow-up processes • Experience working with CI/CD pipelines and automated test infrastructure.

🏖️ Benefits

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