Full-stack Engineer, Internship (Summer 2026) at Speak (W17) $6K - $10K / monthly A superhuman, AI-powered language tutor in your pocket San Francisco, CA, US Internship Will sponsor About Speak Speak is an AI English tutor on your phone that is the best way to become conversationally fluent in English. About the role Skills: Node.js, Python, React, TypeScript, PostgreSQL About this Internship We’re looking for a highly motivated full-stack engineering intern excited to work across the stack and contribute to building novel AI-powered product experiences. While your initial projects may lean toward the frontend, you’ll also gain exposure to backend development, helping us shape cutting-edge, conversationally driven language-learning products. This internship is designed for students or recent graduates who want to learn quickly, make a tangible impact, and work alongside a high-performing product, design, and machine learning team. What You’ll Be Doing Building innovative AI-driven product experiences and user interfaces on the web Contributing to the end-to-end development cycle of features, from idea to release Writing code quickly, shipping frequently, and seeing the real-world impact of your work Collaborating with a multidisciplinary team on product, design, and ML-driven projects What We’re Looking For Strong experience (through coursework, personal projects, or internships) building applications Excitement about learning both frontend and backend development in a fast-paced environment A balance of craftsmanship and scrappiness—you care about doing things the right way but can also move fast when needed Strong communication skills and a desire to collaborate across functions Strong foundation in computer science and software engineering (experience with React, Node, TypeScript, and/or Python is a plus). Office San Francisco, CA Technology iOS/Swift Android Interview Process Recruiter Screen (20mins) Take-Home-Project (5-6 hours) Virtual Onsite Interviews Live Coding (1hr) System Design (1hr) PM Interview (45min) Final Chat with Eng Leader (30min) Offer