Software Engineer, Full Stack

About this role

AI Full-Stack Mobile EngineerJob Type: Full-Time Experience Level: 2+ Years Location: Sunnyvale, CA, USA - On Site Position OverviewWe 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 ResponsibilitiesDesign, 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 Qualifications2+ 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 QualificationsExperience 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 ProfileWe 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.