At Ello, our mission is to maximize the potential of all children. Our first product, Read with Ello, is an AI reading teacher that listens to children read out loud. Ello uses speech recognition to help them when they get stuck, makes up stories using generative AI, and inspires a love for reading. We’re now building on the success of Read with Ello and putting together the pieces of the world’s first complete AI teacher for all children. Together, we believe we can close the primary school education gap worldwide.

Ello

Expert Flutter Consultant

AI Video Creator

VP of People

Creative Strategist (Social Media)

Head of Design

Senior Product Engineer, Growth

Senior Product Engineer

Senior Design Engineer

Ello is building the world's first AI teacher to maximize the potential of every child. Their initial product, Read with Ello, helps children learn to read. They are now expanding to a comprehensive AI teacher platform. This role seeks an Expert Flutter Consultant based in San Francisco to design and establish core app architecture and key design patterns for agent-driven experiences, contributing to innovative educational technology for kids.

<p class="my-4 text-gray-700 leading-relaxed">Our mission at Ello is simple and urgent: Maximize the potential of every child, everywhere.</p><p class="my-4 text-gray-700 leading-relaxed">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.</p><p class="my-4 text-gray-700 leading-relaxed">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.</p><p class="my-4 text-gray-700 leading-relaxed">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 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.</p><p class="my-4 text-gray-700 leading-relaxed">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 critical challenges of our time: to democratize education.</p><h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">About the role</h2><p class="my-4 text-gray-700 leading-relaxed">We’re in the process of setting up our core app architecture & establishing key design patterns that will shape & define how we build agent-driven experiences and architectures. If you or someone you know is SF-based, is an expert in all things Flutter, and is interested in working on exciting technology in a highly collaborative domain that shapes kids’ education, we’d love to speak with you!</p><h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">Responsibilities</h2><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Design, develop, and maintain high-performance Flutter applications for iOS and Android platforms.</li><li class="leading-relaxed">Debug & optimize Flutter apps for performance on very low-power, memory constrained devices.</li><li class="leading-relaxed">Collaborate with design and animation teams.</li><li class="leading-relaxed">Implement best practices for code quality, testing, and version control.</li><li class="leading-relaxed">Stay up-to-date with the latest Flutter developments, trends, and industry best practices.</li></ul><h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">Required Experience</h2><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">5+ years of experience in mobile app development, with at least 2 years of hands-on experience with Flutter and native app development experience (Java/Kotlin, Swift/Objective-C in addition to Dart).</li><li class="leading-relaxed">Proficient in Dart programming language and its ecosystem.</li><li class="leading-relaxed">Strong understanding of mobile app architecture, design patterns, and performance optimization techniques.</li><li class="leading-relaxed">Familiarity with backend integration patterns for mobile apps.</li><li class="leading-relaxed">Knowledge of mobile app testing frameworks and automation tools.</li><li class="leading-relaxed">Experience with agile development methodologies and project management tools, version control systems, and collaborative development tools.</li><li class="leading-relaxed">Excellent problem-solving, communication, and teamwork skills.</li></ul><h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">Nice-to-have experience</h2><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Experience building generative AI applications.</li><li class="leading-relaxed">Basic backend development experience and experience with cloud services.</li><li class="leading-relaxed">Game development experience: a track record of shipping 2D games on mobile platforms.</li><li class="leading-relaxed">Experience writing high-performance, parallelized code.</li><li class="leading-relaxed">Basic design skills: some experience using basic design tools to convey your ideas and make small asset adjustments (Figma, Photoshop, or an animation tool).</li><li class="leading-relaxed">Experience with product analytics from query to visualization.</li><li class="leading-relaxed">Experience managing efficient real-time interfaces to ML pipelines & signal processing code.</li></ul><h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">We look for candidates who</h2><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Have something to teach us.</li><li class="leading-relaxed">Want to do work they are proud of to ship products they are proud of.</li><li class="leading-relaxed">Have an urge to make a real impact on child development at scale.</li><li class="leading-relaxed">Take initiative and full ownership of their work.</li><li class="leading-relaxed">Prefer open and direct communication grounded in empathy to beating around the bush.</li><li class="leading-relaxed">Exemplify integrity in their actions, decisions, and communication.</li><li class="leading-relaxed">Want to build meaningful relationships at work.</li></ul><h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">Here are some reasons to be a part of our team</h2><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Immerse yourself in a collaborative environment surrounded by A+ engineers.</li><li class="leading-relaxed">Dive deep into the rapidly evolving world of AI for education.</li><li class="leading-relaxed">Experience the joy of turning your lines of code into engaging and educational experiences for children worldwide.</li><li class="leading-relaxed">Work in tandem with our machine learning and platform teams, harnessing the full power of technology to reimagine education.</li></ul><h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">About Ello</h2><p class="my-4 text-gray-700 leading-relaxed">Ello 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.</p><p class="my-4 text-gray-700 leading-relaxed">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.</p><p class="my-4 text-gray-700 leading-relaxed">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.</p><p class="my-4 text-gray-700 leading-relaxed">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.</p><p class="my-4 text-gray-700 leading-relaxed"><em>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.</em></p>

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Hacksaw Studios

Office Coordinator

Senior Manager, Compliance Issue Management

appier

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Sales Manager, Ad Sales

Mattel Inc

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At Hacksaw Studios, we create experiences that millions play. Our Stockholm office fosters creativity and collaboration. As an Office Coordinator, you'll support the Office Manager, ensuring the workplace is welcoming, efficient, and organized. This part-time role involves managing supplies, coordinating events, and assisting with daily operations, perfect for someone proactive and detail-oriented who enjoys making things run smoothly.

Client Platform Developer

Game developer

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Client Integration Developer

Project manager - game development

Engineering manager

Game Client Framework Developer

Spine 2d animator

Gameplay developer / programmer (backend)

<h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">About Us</h3><p class="my-4 text-gray-700 leading-relaxed">At Hacksaw Studios, we don’t just make games, we make experiences that millions of people play and remember. And just like our games, our Stockholm office is all about creativity, collaboration, and good vibes.</p><p class="my-4 text-gray-700 leading-relaxed">Our office is where ideas spark, creativity flow and chaos sometimes tries to sneak in, that’s where you come in.</p><p class="my-4 text-gray-700 leading-relaxed">Now, picture this: the coffee machine’s acting up, a delivery just arrived, the printer’s throwing a tantrum, and the next event is only days away. Can you stay calm, prioritize on the fly, jump into action, and help create the kind of environment where everyone feels at ease and ready to thrive?</p><p class="my-4 text-gray-700 leading-relaxed">If your answer is yes, you might be just the person we’re seeking. This opening is perfect for someone proactive, detail-oriented, and passionate about making things run smoothly. It’s also a great opportunity for students or anyone looking for part-time work in a vibrant and friendly team.</p><h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">The Role</h3><p class="my-4 text-gray-700 leading-relaxed">As our Office Coordinator, you’ll ensure everything flows smoothly, supporting the Office Manager to keep the workplace welcoming, efficient, and well-organized for the whole team.</p><p class="my-4 text-gray-700 leading-relaxed">This role gives you hands-on experience in office coordination, event planning, and day-to-day administration.</p><p class="my-4 text-gray-700 leading-relaxed">Your key responsibilities include:</p><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Keeping common areas stocked, tidy, and welcoming</li><li class="leading-relaxed">Managing orders and purchases for office supplies and snacks</li><li class="leading-relaxed">Coordinating and assisting with internal events and activities</li><li class="leading-relaxed">Supporting the Office Manager with daily operations and ongoing improvements</li></ul><h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">What We’re Looking For</h3><p class="my-4 text-gray-700 leading-relaxed">You’re someone who genuinely enjoys helping others and naturally takes initiative to keep things running smoothly.</p><p class="my-4 text-gray-700 leading-relaxed">You bring:</p><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">A positive, can-do attitude with strong attention to detail</li><li class="leading-relaxed">Excellent organizational and communication skills</li><li class="leading-relaxed">The ability to juggle multiple tasks and priorities efficiently</li><li class="leading-relaxed">Fluency in English (Swedish is a plus)</li><li class="leading-relaxed">Availability to work part-time with a flexible schedule</li></ul><h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">Nice-to-have:</h3><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Previous experience in an administrative or service role</li><li class="leading-relaxed">A passion for games or the creative industries</li></ul><h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">Practical Details</h3><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Location: On-site at our Stockholm office</li><li class="leading-relaxed">Scope: Part-time (ideal for students or those seeking flexible hours)</li><li class="leading-relaxed">Start date: As soon as possible</li></ul><h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">Ready to Join the Game Makers?</h3><p class="my-4 text-gray-700 leading-relaxed">Think you can keep things running smoothly while adding good vibes along the way? Apply now! We review applications on a rolling basis.</p><p class="my-4 text-gray-700 leading-relaxed">If you have any questions about the role or the application process, don’t hesitate to reach out.</p><p class="my-4 text-gray-700 leading-relaxed">Join Hacksaw Studios and help keep the creativity flowing!</p>

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This assessment gives us an idea of your C++ skills- Companies that evaluate this skillset in interviews: Rockstar Games, Ubisoft, Mayhem Studios, etc.- 10 Multiple Choice questions- Average time to complete: 7 to 10 minutes

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