Senior Fullstack Engineer II, Khan Kids

Khan Academy is a nonprofit on a mission to provide a free, world-class education to anyone, anywhere. As a Senior Software Engineer II on the Khan Academy Kids team, you will be a core technical contributor responsible for building and maintaining the fullstack web infrastructure that supports our educational platform.

Responsibilities:

• Design, build, and maintain fullstack web applications and services that power dashboards and administrative tools used by educators and families worldwide
• Lead complex technical projects from conception through launch, collaborating with cross-functional teams including engineering, product, design, and content to deliver impactful features that advance our educational mission
• Drive engineering excellence by writing clean, testable, well-documented code, conducting thorough code reviews, and championing best practices that elevate the entire team's technical capabilities
• Participate in technical planning and architecture decisions, bringing deep fullstack expertise to shape the long-term technical direction of the Khan Academy Kids platform

Requirements:

• 7+ years of fullstack web development experience
• Strong proficiency in modern web frameworks with a demonstrated ability to work across frontend and backend systems
• Project leadership capabilities, with the ability to drive initiatives from concept through launch
• Extensive experience with modern web frameworks including Vue.js or React, and TypeScript or JavaScript
• Extensive backend development experience building RESTful APIs and server-side applications
• Strong understanding of web application architecture, authentication, and security best practices
• Experience working with relational databases (SQL), including schema design, query optimization, and data modeling for scalable applications
• Demonstrated ability to design, build, and maintain complex, testable software systems while upholding high standards for readability and automated testing
• High empathy for the Khan Academy Kids audience and a genuine passion for the mission to deliver a free, world-class education to every child
• Experience working collaboratively with both technical and creative team members
• A commitment to pushing the team forward through technical contributions, mentorship, and solving hard technical problems
• Experience with C++ and understanding of native mobile development workflows
• Experience building educational apps and tools for kids or educators
• Prior experience in a startup or small team environment