Software Engineering • Senior

Who you are

You are a seasoned software engineer with a strong background in building security features for large-scale systems. With a deep understanding of secure web applications, you appreciate the importance of testing and documentation in your work. You have a passion for the Wikimedia Foundation's mission and are committed to ensuring the safety and integrity of the platform. Your experience includes working with modern authentication technologies and addressing security challenges such as platform abuse and emerging threats.

You thrive in a collaborative environment, working alongside engineers and product managers to design and implement new features that protect users. You lead by example in code reviews and decision-making, fostering a culture of safety and compliance within your team. Your ability to communicate effectively with cross-functional teams ensures that architectural and implementation choices are safe and compliant.

What you'll do

In this hands-on engineering role, you will help design, develop, and deliver security features with a focus on user safety. You will collaborate with other engineering teams to ensure that they adhere to safe architectural practices. Your responsibilities will include leading code reviews, mentoring junior engineers, and contributing to the overall team culture. You will also be involved in planning and rolling out improvements to the security architecture, ensuring that the platform remains resilient against attacks.

You will work primarily on the MediaWiki platform, which powers Wikipedia, and must meet stringent performance standards while addressing new security challenges. Your role will involve detecting and preventing platform abuse from bots and implementing modern authentication technologies. You will be responsible for ensuring that the Wikimedia projects remain secure and trustworthy for thousands of editors every day.

What we offer

Wikimedia Foundation offers a transparent work environment where your contributions directly impact millions of users. You will be part of a mission-driven organization that values collaboration and innovation. The role provides opportunities for professional growth and development in a supportive team culture.