Startups · AI

Full-Stack Engineer - Enterprise

Speak · San Francisco · Remote

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About Speak

Speak is the first & only app that lets you get real conversational practice without needing a live tutor on the other end. And we build some serious AI tech to make that possible. Backed by Accel, Khosla and Y Combinator.

About the role

We’re looking for a senior full-stack engineer to serve as a hands-on technical contributor for Speak for Business, the pod building the enterprise layer of Speak. You’ll work across the B2B product surface — partner portals, reporting, B2B subscription mechanics, admin experiences, and learner features that require an enterprise touch. You’ll work primarily in TypeScript across Node.js and Postgres, partnering with engineers in adjacent pods where experiences cross team boundaries. Found on 1752vc Careers, the job board for startup and VC roles.

What they're looking for

  • 6+ years of experience building production-scale web applications, with strong proficiency in TypeScript, Node.js, and SQL databases (Postgres preferred)
  • Full-stack capability — comfortable across both frontend and backend, with solid database fundamentals
  • Experience with or strong interest in B2B SaaS, enterprise product surfaces, or multi-tenant systems
  • Strong product and business judgment, with the ability to translate enterprise requirements into pragmatic scope and durable technical foundations
  • Experience designing APIs and backend services, reasoning clearly about system boundaries, and working with relational data
  • Ability to work autonomously and adapt quickly on a small team with low meeting overhead and high ownership expectations
More about this role

Learning a language can change a life by opening doors to new cultures, careers, and communities. Two billion people around the world are actively trying to learn a language, but the best way to learn (one-on-one tutoring) is hard to access at scale and hasn’t been meaningfully improved in decades. Speak is building a human-level, AI-powered tutor in your pocket: a conversation-first experience that lets learners actually speak, get instant feedback, and progress through carefully designed lessons. The result is a complete path from beginner to confident speaker across multiple languages.

Speak first launched in South Korea in 2019, where Speak has now become the number one language learning app, and we now serve learners across many markets and 15+ languages. Speak is one of the world’s leading AI companies, with over $150m raised in venture investment from OpenAI, Accel, Founders Fund, Khosla Ventures, and more, with a distributed team across San Francisco, Seoul, Tokyo, Taipei, and Ljubljana.

We’re looking for a senior full-stack engineer to serve as a hands-on technical contributor for Speak for Business, the pod building the enterprise layer of Speak. You’ll work across the...

Read the full posting on Speak's site ↗

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