Senior Design Engineer position at Ello.| United States Of America

Ello Senior Design Engineer

Experience: General

Pattern: full-time

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High School (S.S.C.E)

San Francisco,..........United States Of America

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Our mission at Ello is simple and urgent: Maximize the potential of every child, everywhere.We’re building the world’s first AI teacher to close that gap: one 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 using generative AI. It works—and kids love it.Now, we’re scaling that success into something even bigger: a complete AI teacher for all children. We’re building a real-time learning platform—one that combines language, speech, and memory to power personalized, interactive education for kids worldwide. We’re moving fast: we ship weekly, test directly with kids and families, and push the boundaries of what AI can do in education.With the resources of the world's top investors and the heart of a public benefit corporation, we’re here to revolutionize how children learn globally. Featured on TIME’s Best Inventions and Fortune’s Change the World, Ello is a small, mission-driven team taking on one of the most important challenges of our time: to democratize education.Who you’ll be joiningEllo is a rapidly growing, series A startup focused on revolutionizing the way children learn and interact with technology. You will work directly with Ello’s Co-founder & CTO, Catalin Voss, on a small team (<10) of engineers, learning designers, and PMs to develop new products. You’ll be surrounded by a team of A+ engineers and you’ll work with some of the foremost experts in ML to productionize models and build new product experiences. We work in-person out of our San Francisco office and we’re big believers in face-to-face collaboration.About the roleWe’re looking for a strong Senior Design Engineer, New Products to independently own the build-out of learning activities as part of Ello’s next-generation AI tutoring apps. You will bridge the gap between product development and engineering to own features from conception to playtest, at times acting as your own product manager, and at times collaborating closely with our product team. You’ll be part of a small team that is responsible for bringing Ello’s tutoring AI to life through agent control, character development, and game interactions. You pay attention to the details and thrive building products that delight users.You can work full-stack and across multiple programming languages, build chains, etc. Learning yet another language doesn’t feel like a daunting task at this point. You have experience with or a demonstrated curiosity for GenAI pipelines. On the backend, you’re able to write performant Python code and deal with complex I/O pipelines. On the frontend, you’re able to take an existing component library and build a rough UI from scratch (Flutter & React) without a designer or implement pixel-perfect layouts in collaboration with a designer.We welcome candidates from all backgrounds – mobile engineering, machine learning, or design & product – but we prioritize strong technical foundations and demonstrated execution speed in shipping. As an ideal candidate, you’ll have built and shipped software products end-to-end in the past, for example through an initiative you championed at a prior job, through an impressive side project, or as the founder of your own company. We’d love to hear about those in the interview process!ResponsibilitiesOwn and build features end-to-end, from concept to deliveryBuild agent-based AI pipelines, interfacing with ML engineers working on core models (e.g. our child speech recognition pipeline)Serve as a bridge between product design and engineering, moving fluidly between UX/UI and technical problem-solvingDevelop and integrate front-end components for mobile and web platforms, leveraging existing design systems and brand guidelinesDo whatever it takes to go from product conception to playtestRequired ExperienceEngineering:Excellent production-grade engineering & debugging skills across backend, ML, and mobile frontendExperience with at least one of Flutter, native Android development in Java/Kotlin, or iOS development in Swift/ObjCExperience with ML tooling and GenAI tools (you don’t need to be a linear algebra beast designing your own models, but you should understand how multimodal models work and communicate with ML engineers in their language)Some experience with GenAI models & pipelines, including human eval infrastructureFamiliarity with Git flow, etc.Basic data science skills (enough to analyze your own product insights)Familiarity with basic infrastructure setup, continuous integration, and production release workflowsDesign & Product:Very high level of attention to detail. For example, you see how small changes in a character’s facial expression or the shading of a background affect the emotional impact of the end productDemonstrated bias to action in product building: creating something from nothing and turning chaos into orderDemonstrated ability to work within existing design systems and brand standards to build new front-end componentsCross-functional skills; you likely either picked up engineering from a product/design domain or product skills from a computer science backgroundFamiliarity with project management tools and collaborative development toolsNice to have experienceExperience with game developmentExperience as a product manager or in a role with significant ownership over features or componentsDeep understanding of mobile app architecture, design patterns, and performance optimization techniquesExperience with designing products for childrenWe look for candidates whoHave something to teach usWant to do work they are proud of to ship products they are proud ofHave an urge to make a real impact on child development at scaleTake initiative and full ownership of their workPrefer open and direct communication grounded in empathy to beating around the bushExemplify integrity in their actions, decisions, and communicationWant to build meaningful relationships at workHere are some reasons to be a part of our teamDive deep into the rapidly evolving world of AI and interactive learning.Experience the joy of turning your designs and code into engaging and educational experiences for children worldwideBe part of an A+ team and an engineering culture of excellenceAbout ElloEllo is a public benefit corporation on a mission to maximize the potential of all children. We’re currently around 45 people, headquartered in San Francisco, with offices in São Paulo, Brazil; Nairobi, Kenya; and New York.Our team has deep expertise in artificial intelligence, K-12 education, and child development across institutions such as Stanford, Berkeley, Google, Apple, and more. We were part of Y Combinator’s 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.We’re a small, collaborative team that takes each other’s voices very seriously. Because our mission is to support all children, it is critical that our team is representative of the communities we work in; we place significant emphasis on ensuring diversity in our team and inclusion in our culture.We feel enormously privileged to be one of the few companies that has the opportunity to take a shot at truly revolutionizing education with AI at this inflection point in technology. We don’t take it for granted, so we work quite hard to turn that vision into reality with urgency. We want to create an environment in which we can all be our best selves, use our strengths to take Ello forward, and develop our own skills. We want to have fun while working hard to do impactful things that we’re proud of – and we believe it’s possible to do both.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 recruiting@ello.com.

Senior Design Engineer job opportunity at Ello.

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