Lead Growth Engineer

Our mission at Ello is simple and urgent: maximize the potential of every child everywhere. Were building the worlds first AI teacherone that listens speaks adapts and inspires just like the best human educators.

Our first product Read with Ello is already helping tens of thousands of kids each week learn to read. It listens as they read aloud offers support when they stumble and generates magical personalized stories. It works and kids love it.

Now were scaling that success into something even bigger: a complete AI teacher that can help children learn far beyond reading. Our new app combines language speech and memory to deliver interactive learning for kids worldwide; check it out here. We ship weekly test directly with kids and push the boundaries of whats possible with AI in education.

With the resources of the worlds top investors and the heart of a public benefit corporation were here to revolutionize how children learn globally. Featured on TIMEs Best Inventions and Fortunes Change the World Ello is a small mission-driven team taking on one of the most important challenges of our time: democratizing education.

Ello is entering a new stage of growth and were hiring our first dedicated Growth Engineer to help define and lead how growth engineering works here.

Youll collaborate closely with PMs and key stakeholders to ideate develop and bring ideas to life. Youll own the full learning loop that drives features into real business outcomes. Your work spans customer facing product surfaces that carry into the data experimentation and operational systems behind them.

This is a high-ownership role for someone who wants to help build a function not simply join one. You might be an exceptional product-minded generalist with a high ceiling or an experienced growth engineer who brings a craft we do not yet have. We care more about judgment creativity agency and demonstrated impact than a specific number of years.

We work in person from our San Francisco office and are big believers in face-to-face collaboration.

• Help build Ellos growth-engineering strategy operating model tooling and standards.

• Develop and own growth features end to end across mobile web backend and lifecycle channelsfrom idea through launch and iteration.

• Identify high-leverage opportunities across acquisition activation engagement retention and referral.

• Design and run small fast experiments; define success metrics; instrument the experience; and turn results into clear next steps.

• Improve critical journeys such as onboarding signup parent experiences referrals notifications and other growth loops.

• Build or evolve experimentation analytics and data systems that increase the teams velocity of learning.

• Connect quantitative signals with qualitative insight into childrens and parents motivations and behavior.

• Partner closely with product design engineering marketing and company leadership while independently driving work forward.

• Bring a distinctive strength to the team and help us raise the bar for growth engineering as the function develops.

The strongest candidates will be excellent in at least two of the following areas and solid in the third:

• Engineering: You can independently ship high-quality full-stack product work and build for rapid iteration.

• Growth and product judgment: You understand funnels growth loops user motivation and how product or incentive changes affect behavior.

• Experimentation and data: You can define metrics design and interpret experiments and use data to make product decisions without waiting for a data scientist.

• Creativity & innovation: You bring new ideas to the table derived from first principles of what resonates with our users and their needs.

Youll also bring:

• A track record of shipping product or growth initiatives that produced measurable user or business impact.

• Strong ownership and a bias to action: you can create something from nothing turn ambiguity into a plan and follow through.

• Comfort working across the stack. Experience with Flutter native iOS or Android React Python or comparable technologies is useful; we care most about your ability to learn and deliver.

• Hands-on experience with analytics and experimentation tools such as SQL Mixpanel Amplitude Segment or equivalent systems.

• Strong product sense including empathy for user motivations and an ability to connect data trends to underlying human behavior.

• A collaborative direct communication style and the ability to work effectively across engineering product design marketing and business.

• The judgment to balance speed with quality and the confidence to ship partial solutions when that is the fastest way to learn.

• Experience building beautiful & delightful products features or experiences for children and parents.

• Experience with consumer growthsharing subscriptions lifecycle systems or referral products.

• Experience integrating third-party systems such as Stripe Twilio SendGrid or CRMs.

• Experience using AI tools to increase development velocity or working with AI products and evaluation pipelines.

• Experience setting the foundations for or have spun up new function practice or team.

• Want to build experiment and bring something new to the table.

• Have something to teach us and are eager to learn from an excellent team.

• Take initiative and full ownership of their work.

• Care deeply about craft while valuing the velocity of learning.

• Want to make a meaningful impact on child development at scale.

• Prefer open direct communication grounded in empathy.

• Act with integrity and want to build meaningful relationships at work.

• Build a new growth-engineering function with unusual ownership and room to grow.

• Work at the frontier of AI and interactive learning.

• See your work reach thousands of families around the world helping children engage with their learning journey. .

• Join an exceptional mission-driven team with a culture of engineering excellence.

Ello is a public benefit corporation on a mission to maximize the potential of all children. Were currently around 50 people headquartered in San Francisco with a second office in Nairobi Kenya.

Our team has deep expertise in artificial intelligence K12 education and child development across institutions such as Stanford Berkeley Google Apple and more. We were part of Y Combinators W20 batch and are funded by world-class investors including Goodwater Capital Homebrew Reed Hastings Common Sense Growth Ravensburger Project A Ventures Reach Capital Khosla Ventures WndrCo Visible Ventures and K9 Ventures.

Were a small collaborative team that takes each others voices very seriously. Because our mission is to support all children it is critical that our team represents the communities we work in; we place significant emphasis on diversity in our team and inclusion in our culture. If you have questions about immigration reach out to us at

We feel enormously privileged to be building at this moment. Advances in AI have made it possible for the first time to imagine giving every child a truly personalized teacher. We dont take that opportunity for granted.

We work with urgency because millions of children cant wait. We care deeply about craftsmanship because learning experiences should feel magical. And we believe its possible to build ambitious technology while building a company where people do the best work of their careers.

If that excites you wed love to meet you.

At Ello diversity is a moral imperative and a competitive advantage. We do not discriminate based on race religion skin color national origin gender sexual orientation age marital status veteran status or disability status. We plan and structure our interviews to assess skills and experience directly. If you need accommodations throughout the interview process please contact

Required Experience:

IC