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

Posted 3 Days Ago
Be an Early Applicant
San Francisco, CA, USA
In-Office
180K-220K Annually
Junior
HR Tech • Other • Professional Services
The Role
As a Founding Mobile Engineer, you will build and scale a consumer app from concept to production, optimize performance, and collaborate with the founders on product direction.
Summary Generated by Built In
Founding Mobile Engineer (React Native / iOS)

Onsite – San Francisco (Pac Heights) · Full-time · $180K–$220K + Equity

About the Opportunity

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.

What You’ll Do
  • 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

What We’re Looking For
  • 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

Nice to Have
  • 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.

Skills Required

  • 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
  • Ability to move fast without compromising quality
  • High ownership mindset
  • Strong communication skills
Am I A Good Fit?
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The Company
HQ: Delray Beach, Florida
201 Employees
Year Founded: 2016

What We Do

G2i is a hiring community connecting remote developers with world-class engineering teams. Our unique approach combines rigorous technical assessments with a solid commitment to developer health, ensuring companies get skilled developers who are supported, valued, and ready to execute from day one. Our transparent vetting process includes in-depth, performance-ranked developer profiles, recorded technical interviews, and soft-skills assessments. Whether you're working on a short-term project or burning down a backlog, G2i connects you with a community of pre-vetted developers. Planning to hire ten or more engineers? We create a Custom Talent Pipeline, allowing for specific customizations in sourcing, assessment criteria, technical interview questions, and integration with your existing HR systems and processes. G2i partners with clients who support the developer health mission—matching developers with environments that improve their health, support recovery from burnout, and enable professional growth through restful work. Is your team overworked or understaffed? Contact us today to learn how G2i can help you. More information about our mission and commitment to developers and clients can be found at https://g2i.co or follow us on X @g2i_co

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