• Building a unified header-bidding ads solution using Prebid.js and Google Ad Manager (GAM) that can be used across all of IXL's ad-supported properties
• Optimizing billions of ad impressions to maximize revenue while maintaining a high-quality user experience
• Executing A/B tests to improve ad revenue performance
• Enhancing our analytics pipeline to ingest our ads events and facilitate data analysis across brands
• Determining opportunities for growth by analyzing technical and ad performance data using Looker
• Tracking down and addressing ad quality problems to ensure a great user experience
• Full-stack web development using technologies like Node.js, React, SQL, AWS, and Docker

• Bachelor's or advanced degree in Computer Science or a related discipline
• Strong understanding of JavaScript
• Knowledge of Node, React, AWS, and SQL, or the ability to learn them quickly
• Experience with techniques for optimizing web page speed
• Strong communication, analytical-reasoning, and problem-solving skills
• Bonus: familiarity with the programmatic ad technologies

• We developed and manage a diversified in-house header bidding advertising stack, optimized across billions of impressions.
• We created a data analytics platform to process events from our ad system in real time, at scale, using AWS Redshift and Looker
• We executed hundreds of A/B tests to identify optimal strategies within our ad stack
• We optimized our sites' performance for Core Web Vitals
• We deployed a high-availability, automated, and scalable server infrastructure on AWS with an uptime of more than 99.999% last year.
• We've brought together a talented team that is down-to-earth, friendly, and driven to build products that people use and love
• Our technology stack is state-of-the-art, and we pride ourselves on an engineering culture committed to data-informed decisions, focus on value, rapid iteration, broad test coverage, extensive automation, peer-reviewed code, and fast deployments
• Software drives our business, and we understand the value of having time for engineers to focus on technical priorities
• This role will join a small team, which means every engineer on the team has a huge impact across millions of users and very low barriers to getting things done

IXL Learning is the country's largest EdTech company. We reach millions of learners through our diverse range of products. For example:

• 1 in 4 students in the United States uses
• provides an immersive learning experience for 25 languages
• is the nation's largest community of tutors, covering 300+ subjects
• is a comprehensive marketplace for millions of educator-created resources

Our mission is to create innovative products that will make a real, positive difference for learners and educators and we're looking for passionate, mission-minded people to join us in achieving this goal. We have a unique culture at IXL that fosters collaboration and the open exchange of ideas. We value our team and treat one another with kindness and respect. We approach our work with passion, tenacity, and authenticity. We find it immensely satisfying to develop products that impact the lives of millions and we are eager to have you join our team.