Senior Software Engineer, Backend

Our mission at Duolingo is to develop the best education in the world and make it universally available. It’s a big mission, and that’s where you come in!At Duolingo, you’ll join a team that cares about finding innovative solutions to complex technical problems, running countless experiments (300+ at a time!) with our massive user base to make data-driven decisions, and educating our users and employees alike. You’ll have limitless learning opportunities, mentorship and collaboration with world-class minds, and a variety of projects with large scopes — while doing work that’s both fun and meaningful.Join our life-changing mission to develop education for our half a billion (and growing!) learners around the world.Below you can find more information about the team we're hiring for:Chess TeamThe Chess team builds engaging, educational features through Duolingo’s signature approach to learning. On this team, you will shape core product experiences by improving gameplay and creating engaging, high-quality course content. As an engineer building Duolingo's newest product, you can expect to move quickly, prototype boldly, and experiment often!Video Call AreaAs a software engineer in the Video Call Area, you’ll be working on a feature that lets learners practice speaking by chatting with Lily, a real-time conversational agent. You’ll combine cutting-edge AI with playful design to quickly prototype and experiment with bold, new features that will help advance the language skills of millions of users! You will...Collaborate on software projects with product design and backend aspectsDevelop, release, and maintain backend services and/or infrastructureLead individual project priorities, milestones, and ensure we're always shipping You have...A Bachelor’s degree in Computer Science or related technical fieldStrong competencies in data structures, algorithms, and software designExperience programming in Java, Python, or KotlinSolid understanding of one or more database technologies Exceptional candidates will have...Industry experience building high-traffic APIs using public cloud providersTake a peek at how we care for our employees' holistic well-being with our benefits here.We will do everything we can within reason to make sure that your interview takes place in an environment that fairly and accurately assesses your skills. If you need assistance or accommodation, please contact accommodations@duolingo.com.Duolingo is proud to be an Equal Employment Opportunity employer. We do not discriminate based upon race, religion, color, national origin, gender (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics.By applying for this position your data will be processed as per the Duolingo Applicant Privacy Notice.Sign up for job alerts here.We post a multi-level salary range for all of our roles.This is not inclusive of the rest of our awesome portfolio that includes equity compensation and world-class benefits. Our salary ranges are the same for all US locations. Your recruiter can share more details about the range for a specific level during the hiring process. The actual salary within the range is determined by many factors including but not limited to, skills, experience, education, and internal equity.Salary Range$148,800—$274,600 USD