Founding Mobile Engineer (React Native / iOS) - On site in San Francisco!

About the role

G2i is partnering with a fast-growing, early-stage startup to hire a Founding Mobile Engineer . This is a rare opportunity to join as the first mobile engineer , working directly with the founders to build and scale a consumer-facing product from the ground up. You won't be joining a team - you'll be defining it . This role is ideal for someone who thrives in 0→1 environments and wants full ownership over the mobile experience.

Responsibilities

• Own the mobile app end-to-end - from concept to production
• Build high-quality, intuitive, and performant user experiences
• Ship features rapidly and iterate based on real user feedback
• Collaborate directly with founders on product direction and priorities
• Optimize performance across animations, rendering, and interactions
• Debug and resolve issues across the stack when needed
• Leverage AI tools to accelerate development and improve output quality

Requirements

• Proven experience building and shipping mobile apps end-to-end (0→1)
• Strong expertise in React Native (Expo) and TypeScript
• Experience working with or integrating native iOS modules
• Deep focus on UI/UX quality , interaction design, and performance
• Strong product intuition - you think beyond implementation
• Ability to move fast without compromising quality
• High ownership mindset - you proactively identify and solve problems
• Strong communication skills and ability to work closely with founders
• AI-Native Engineering
• We're looking for engineers who are already operating in an AI-native workflow :
• Actively use tools like Cursor, Claude, or similar in daily development
• Understand tradeoffs of AI-assisted coding
• Can clearly articulate when and how to leverage AI effectively
• Continuously explore ways to increase output and quality using AI
• Experience building consumer (B2C) products
• Strong mobile design intuition and attention to detail
• Background in high-performance mobile applications
• Side projects or products you've built independently
• Tech Stack
• React Native (Expo)
• TypeScript
• Native iOS modules (Swift)
• AI tools (Cursor, Claude, custom agents)
• Location & Compensation
• Onsite: San Francisco (Pacific Heights)
• Work authorization: Open to H1B transfer only (no new sponsorship)
• Compensation: $180K - $220K base + ~0.5% - 2% equity
• (flexible for exceptional candidates)
• Interview Process
• G2i video screening (4-5 technical questions)
• 1-hour live coding/build session
• (Optional) Founder interview (culture & fit)
• 4-hour onsite build in San Francisco (travel covered if needed)
• Offer
• Timeline
• Urgency: High (rolling process)
• Candidate submission deadline: ASAP
• Target hire date: As soon as the right founding-level candidate is identified
• About G2i
• G2i connects top-tier engineers with high-growth companies through a rigorous, developer-first hiring process. We focus on long-term fit, technical excellence, and impactful roles.

Benefits

Additional Information

Founding Mobile Engineer (React Native / iOS) Onsite - San Francisco (Pac Heights) - Full-time - $180K-$220K + Equity

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