Software Engineer II
Role Overview
This mid-level Software Engineer II role on the Notifications team involves building features to improve notification scheduling, personalization, and delivery across channels like push, email, and SMS. Day-to-day responsibilities include collaborating on software projects with product design and backend aspects, developing and maintaining backend services, and leading individual project priorities to ship features end-to-end. The hire will impact user engagement by integrating machine learning models and creating a unified messaging system to help learners build long-term habits.
Perks & Benefits
The role offers a multi-level salary range of $153,000 to $207,000 USD, with equity compensation and world-class benefits, including holistic well-being support. It provides limitless learning opportunities, mentorship from world-class minds, and a variety of large-scope projects in a collaborative, data-driven culture that values experimentation and innovation. While remote work details are not explicitly stated, it's a remote job based in New York, NY, likely with flexible time zone expectations typical of tech roles.
Full Job Description
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.
About the role...
As an engineer on the Notifications team, you will build features that empower learners to build long-term habits by improving how we schedule, personalize, and deliver notifications across push, email, and SMS. You will work on integrating multi-armed bandit machine learning models for personalization, creating a unified “omnichannel” messaging system, and maximizing the reach of our notifications. Notifications are fundamental to Duolingo, and we’re looking for engineers who are passionate about experimenting and shipping features end-to-end.
🧠 You will...
- Collaborate on software projects with product design and backend aspects
- Develop, release, and maintain backend services and/or infrastructure
- Lead individual project priorities, milestones, and ensure we're always shipping
✅ You have...
- A Bachelor’s degree in Computer Science or a related technical field
- Strong competencies in data structures, algorithms, and software design
- Experience programming in Java, Python, or Kotlin
- Solid understanding of one or more database technologies
- The ability to communicate technical issues effectively to technical and non-technical stakeholders
⭐ Exceptional candidates will have...
- Industry experience building high-traffic APIs using public cloud providers
- Experience with sending notifications via various channels (e.g. Email, Push, Live Activity, SMS, WhatsApp)
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:
$153,000—$207,000 USD
Take 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.
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