Top Tech Jobs & Startup Jobs in Chicago, IL

As a Senior Software Engineer, you'll build security features for Wikimedia projects, collaborating with teams to ensure high performance and security against threats. Responsibilities include designing features, conducting code reviews, and supporting application security incidents.

The Senior Software Engineer will design and implement security features for Wikimedia projects, ensuring safety, performance, and resilience against attacks, while collaborating with engineering teams and leading code reviews.

The Senior Software Engineer will design and implement security features for Wikimedia projects, ensuring user safety and addressing security challenges. Responsibilities include collaboration with other teams, code review, and developing security-related components.

The Senior Software Engineer will develop security features for Wikimedia projects, participating in design, code reviews, and tackling security incidents, focusing on collaborative and empathetic team culture.

The Senior Software Engineer will design and develop security features for Wikimedia projects while collaborating with teams to enhance system resilience against security threats.

As a Staff Database Administrator, you will oversee the health and performance of MariaDB and MySQL systems, optimize database queries, implement replication topologies, and support Wikimedia's technology infrastructure.

The Senior Data Scientist will build data systems, dashboards, and insights to support the Wikimedia Foundation's Community Growth team in grantmaking and strategic planning.

The Senior Data Scientist will build data systems, identify actionable insights, maintain data dashboards, and collaborate across departments to support Wikimedia's Community Growth initiatives with data-informed decision-making.

The role involves coordinating scholarships and volunteer activities for the Wikimania 2026 event, facilitating communication with scholars, and supporting event operations.

The Senior Major Gift Officer manages a portfolio of major gift prospects, cultivates donor relationships, and executes major fundraising strategies to secure major and planned gifts for the Wikimedia Foundation.