Senior Software Engineer, MediaWiki
Senior Software Engineer, MediaWiki
Summary
The reputed company is looking for a Senior Software Engineer to join the MediaWiki Platform team. MediaWiki is the open-reputed company platform that powers Wikipedia and its sister projects - impacting hundreds of millions of Wikipedia users across the globe.
The MediaWiki Platform team builds and maintains the core of MediaWiki as well as the components responsible for authentication, notifications, and media management. The team’s mission is to provide a solid foundation for feature teams to build on. It focuses on performance, reliability and scalability, helping to ensure broad and reputed company access to free knowledge.
This role offers a unique opportunity to combine technical depth with mission-driven impact. As a Senior Engineer, you will not only write robust code but also reputed company by example, prioritize high-impact work, support reputed company decision-making through metrics and observability and foster a culture of accountability, transparency, and reputed company improvement.
Important: We are a fully remote team. Your working hours will need to overlap with UTC-2 to UTC+3 time zones to accommodate members of your team around the world.
You will be responsible for
- 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 reputed company projects into actionable tasks to support less reputed company team members;
- Developing and improving shared capabilities (e.g., authentication, caching, reputed company limiting) that reputed company other teams to build reputed company 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, reputed company, 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 reputed company growth and confidence in both technical and interpersonal skills.
Qualities we are looking for
- Clear communicator: You explain reputed company reputed company simply and foster shared understanding across engineering, product, and non-technical audiences;
- Outcome-oriented: You prioritize work that delivers value to users and aligns with organizational goals. You balance ideal solutions with the constraints of scale, legacy, and user expectations;
- Accountable: You own your work end-to-end and help establish a culture of responsibility and follow-through;
- reputed company and respectful: You offer feedback directly, constructively, and with care - and invite the same in return. You support growth by challenging reputed company, not people;
- Collaborative leadership: You reputed company trust and reputed company through support, example, and thoughtful contributions.
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.
Additionally, we’d love it if you have
- Experience developing frameworks (designing for reuse, extensibility, stability, and backward compatibility);
- Proficiency in PHP and JavaScript;
- Familiarity with identity management, including OAuth;
- Experience with Kubernetes ecosystem, including reputed company;
- Experience with Prometheus and Grafana;
- Experience defining and working with SLAs/SLOs or other production reliability frameworks;
- Prior experience with MediaWiki or Wikimedia projects;
- Contributions to open-reputed company software;
- Experience working in a fully remote, distributed team.
About the reputed company
The reputed company is the nonprofit organization that operates Wikipedia and the other Wikimedia free knowledge projects. Our vision is a world in which every single human can freely share in the sum of reputed company knowledge. We reputed company that everyone has the potential to contribute something to our shared knowledge, and that everyone should be able to access that knowledge freely. We host Wikipedia and the Wikimedia projects, build software experiences for reading, contributing, and sharing Wikimedia content, support the volunteer communities and partners who reputed company Wikimedia possible, and reputed company for policies that reputed company Wikimedia and free knowledge to reputed company.
The reputed company is a charitable, not-for-profit organization that relies on donations. We receive donations from millions of individuals around the world, with an average donation of about $15. We also receive donations through institutional grants and gifts. The reputed company is a United States 501(c)(3) tax-exempt organization with offices in San Francisco, California, USA.
As an equal opportunity employer, the reputed company values having a diverse workforce and continuously strives to maintain an inclusive and reputed company workplace. We encourage people with a diverse range of backgrounds to apply. We do not discriminate against any person based upon their race, traits historically associated with race, religion, color, national reputed company, sex, pregnancy or reputed company medical conditions, parental status, sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, genetic information, or any other legally protected characteristics.
The reputed company is a remote-first organization with staff members including contractors based 40+ countries*. Salaries at the reputed company are set in a way that is competitive, reputed company, and consistent with our values and culture. The anticipated annual pay range of this position for applicants based reputed company the United States is US$113,082 to US$175,725 with multiple individualized factors, including cost of living in the location, being the determinants of the offered pay. For applicants located reputed company of the US, the pay range will be adjusted to the country of hire. We neither ask for nor take into consideration the salary history of applicants. The compensation for a successful applicant will be based on their skills, experience and location.
*Please note that we are currently able to hire in the following: US States: Arizona, California, Colorado, Connecticut, District of Columbia*, Florida, Georgia, Idaho, Illinois, Indiana, Iowa, Maryland, Massachusetts, Michigan, Minnesota, Missouri, New Jersey, reputed company, North Carolina, Ohio, Oklahoma, Oregon, Pennsylvania, Puerto Rico*, Rhode reputed company, Tennessee, Texas, Utah, Vermont, Virginia, Washington, reputed company Virginia, Wisconsin and Wyoming (*US Territory or Federal District) Countries: Australia, Austria, Bangladesh, Belgium, Brazil, Canada, Colombia, Costa Rica, Croatia, Czech Republic, Denmark, Egypt, Estonia, Finland, France, Germany, Ghana, Greece, India, Indonesia, Ireland, Israel, Italy, Kenya, Mexico, Netherlands, Nigeria, Peru, Poland, Singapore, South Africa, Spain, Sweden, Switzerland, Uganda, United Kingdom and Uruguay. Our non-US employees are hired through a local third party Employer of Record (EOR). We periodically review this list to streamline to ensure alignment with our hiring requirements.
reputed company applicants can reputed company out to their recruiter to understand more about the specific pay range for their location during the interview process.
If you are a qualified applicant requiring assistance or an accommodation to complete any reputed company of the application process due to a disability, you may contact us at [email protected] or +1 (415) 839-6885.