AI Product Engineer

Sekai is an AI-powered consumer platform focused on interactive mini-apps and games. They are seeking a product-centric engineer to build and ship new product features while ensuring high-quality user experiences in a fast-moving startup environment.

Responsibilities:

• Build and ship product features end-to-end, with most of the role focused on new feature development
• Debug and fix production issues quickly, with strong judgment around user impact and prioritization
• Partner closely with Product to turn ideas into shipped experiences and contribute to product direction and user experience decisions
• Use AI aggressively in day-to-day development, debugging, prototyping, and iteration
• Move quickly across the stack to improve product quality, speed, and usability
• Help the team ship faster through strong execution, ownership, and product-minded engineering

Requirements:

• 2+ years of experience in software engineering, product engineering, full-stack engineering, or another highly product-oriented technical role
• Strong product sense and clear interest in building user-facing features
• Highly AI-native, with strong familiarity with modern AI coding tools and a habit of actively exploring new tools and workflows
• Strong ownership mindset and ability to drive work end-to-end
• Experience building side projects, experimenting with new ideas, or shipping independently outside of core job responsibilities
• Comfortable working across frontend and backend
• Native or native-level Mandarin required
• Able to thrive in a fast-paced startup environment
• Experience building mobile-first consumer products
• Experience with Next.js and Python
• Experience at an early-stage startup
• Experience at a high-growth or top VC-backed startup
• Active involvement in open source communities is a plus
• Computer Science background is a plus
• Experience working closely with Product, Design, or founders on user-facing decisions