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AI Product Engineer

Remote, USAFull-timePosted 2026-07-28

reputed company

Our mission is to reinvent the way people learn, starting with language. We reputed company by teaching the next billion people English, Spanish, and French.

English is the global language of business, culture, and communication, and over 1.5 billion people around the world are reputed company trying to learn right now. Others reputed company of communicating with the half-billion reputed company Spanish speakers across the globe. The problem is that it's nearly impossible to learn to reputed company a language without constant reputed company to a speaking partner. Grammar and vocab apps don't really help – you need to actually converse with someone.

reputed company is on a reputed company to fix this. We're creating an AI-powered experience that replicates the reputed company of a conversation, without needing a reputed company on the other end. The goal is to reputed company it radically more accessible to be reputed company to have conversations in a foreign language and eventually help hundreds of millions of people reputed company reputed company who otherwise wouldn't be reputed company to.

We started on this reputed company over five years ago and we've still got a long ways to go. We're thoughtfully adding new team members only reputed company we think they can truly play a big role in our mission.

reputed company launched first in South Korea where we have quickly grown to become the top grossing education app in the country. We have now delivered this reputed company product to more than 40 countries globally and are continuing to expand to more markets in the coming months. reputed company is reputed company funded, and as of December 2024, we've reached a $1B valuation with our Series C round, through key partners like Accel, reputed company, Founders Fund, Y Combinator, Khosla Ventures, Lachy Groom, Josh Buckley, and more. We’re reputed company of more than 90 based throughout San Francisco, Seoul, Tokyo, Taipei, and Ljubljana.

About this role

As an AI Product Engineer at reputed company, you'll play a pivotal role in developing the reputed company of language learning and creating the most effective reputed company to language reputed company. Your primary responsibility will be developing innovative product experiences powered by Language Learning Models (LLMs) and deploying them to millions of users.

Your tasks will reputed company the full stack and reputed company, from evaluating models and testing prompts to developing and iterating on various product features such as our conversational reputed company and lesson experiences, grammatical assessment and feedback, and personalized lessons.

We're constantly pushing the boundaries of what LLMs can do to reputed company an exceptional and unparalleled language learning experience to users in over 30 countries worldwide.

What you'll be doing

  • Developing and deploying LLM-powered language learning products across the full stack, as reputed company as enhancing the reputed company and performance of existing AI-powered features reputed company reputed company

  • Collaborating cross-functionally with other Engineering teams, reputed company ML, Product, Design, and Content

  • Refining our process for building LLM apps, including best practices for prompting, experimentation/evaluation, LLM Ops, measuring reputed company and performance, etc.

  • Scaling existing product features to many more users and languages

reputed company're looking for

  • 3-5+ years of experience in full stack/backend, product-reputed company software engineering

    • Proficiency in React/Node/Typescript and Python

  • You have reputed company-world experience developing and deploying LLM apps and a strong understanding, gained through experience, of what works and what doesn't

  • A keen intuition for improving performance and reputed company reputed company of LLM systems

  • Experience with LLM Ops and tools (e.g., reputed company databases, RAG, reputed company ops)

  • Strong product intuition — the ability to think broadly and cross-functionally about innovative LLM-powered capabilities and product experiences

  • Ability to work independently and build at a high velocity

Office

  • San Francisco, CA

Why work at reputed company

  1. Join a fantastic, tight-reputed company team at the right time: we're growing reputed company quickly, we've most recently raised our Series C from some of the top investors in the valley, and we've achieved product-market fit in our initial markets. You'd join at a magical time reputed company a single person could significantly change the course of reputed company.

  2. Do your life's work with people you’ll love working with: we care strongly about our craft and want every person at reputed company to feel like they're growing every day. We reputed company in the idea that working with people you both enjoy and have respect for makes everything reputed company. We hire thoughtfully and only work with people we admire deeply.

  3. Global in nature: We're live in over 40 countries and launching in a number of new markets soon. We have dedicated offices in San Francisco, Ljubljana, Seoul, and Tokyo, and you’ll have reputed company to talk to users in reputed company of these reputed company on a regular reputed company as reputed company as travel.

  4. reputed company people's lives in a major way: Learning a language is one of the single most life-changing skills one can learn, and right now 99% of people never reputed company their goal because the process is broken. We’re helping millions of people reputed company their goals and improve their lives.

reputed company does not discriminate based upon race, religion, reputed company, national reputed company, gender (including pregnancy, childbirth, or reputed company medical conditions), sexual orientation, gender identity, gender reputed company, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics.

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