Software Engineer, Full Stack

AI Full-Stack Mobile Engineer Job Type: Full-Time Experience Level: 2+ Years Location: Sunnyvale, CA, USA - On Site Position Overview We are looking for a versatile Software Engineer with experience in mobile and full-stack development to build innovative, AI-powered consumer applications. This individual will play a key role in developing new products from initial concepts to production, combining modern mobile technologies, backend systems, and AI capabilities to deliver engaging user experiences. The ideal candidate is a hands-on builder who enjoys experimenting with emerging technologies, developing products quickly, and taking ownership of projects in a fast-paced startup environment.

Key Responsibilities

• Design, develop, and launch AI-enabled mobile applications across iOS and Android platforms.
• Build intuitive user interfaces and scalable backend services to support product functionality.
• Develop rapid prototypes, validate product concepts, and transform successful ideas into production-ready applications.
• Integrate and optimize LLM-based features using various AI models and APIs.
• Develop backend services, API integrations, and database solutions to support mobile applications.
• Monitor user engagement, application performance, and product analytics to identify opportunities for improvement.
• Collaborate with cross-functional team members to refine product ideas and deliver new features.
• Stay current with emerging AI technologies, developer tools, and industry trends, applying relevant innovations to product development.

Required Qualifications

• 2+ years of professional software development experience.
• Experience developing and publishing at least one mobile application through the Apple App Store or Google Play Store.
• Proficiency in React Native, Flutter, or native iOS/Android development.
• Full-stack development experience, including backend programming with TypeScript, Python, or similar languages.
• Experience designing and integrating REST APIs and working with relational databases such as PostgreSQL.
• Familiarity with cloud infrastructure and deployment platforms such as AWS or Google Cloud.
• Practical experience using AI-assisted development tools and a strong interest in AI-driven software development.
• Ability to work independently, adapt to changing priorities, and deliver projects in an early-stage product environment.

Preferred Qualifications

• Experience integrating LLM APIs, including OpenAI, Anthropic, Gemini, or open-source models.
• Familiarity with prompt engineering, AI agents, or agent-based development frameworks.
• Experience with web technologies such as React, Next.js, or similar frameworks.
• Exposure to mobile monetization, subscription models, in-app purchases, or product analytics.
• Previous experience building consumer-facing applications, interactive platforms, video products, or gaming applications.
• Mandarin language proficiency is a plus.

Ideal Candidate Profile We are looking for someone who is technically versatile, product-oriented, and comfortable taking an idea from concept to launch. Candidates who have worked in startup environments and enjoy building products from the ground up will be especially attractive.