Software Engineer - Mobile App (Expo/React Native)

Tophat HR is a boutique consulting firm specializing in tailored human resources consulting and management services. We are hiring on behalf of a client and will be your point of contact throughout the hiring process.

About Our Client

Our client is a Startup Company with a clear product vision and a growing need for engineering talent. They are looking for a motivated and capable Software Engineer to help build and ship a cross-platform mobile application targeting iOS and Android.

You’ll work as the primary developer on the project with guidance and code review from a senior technical advisor. This is an excellent opportunity for someone early in their career who is eager to take on meaningful responsibility, grow quickly, and develop into a leadership role as the team and product evolve.

What You’ll Do

Your initial focus will be on building and shipping an Expo/React Native application to both the App Store and Google Play. As you grow in the role, you’ll take on increasing ownership of the product, helping to shape its direction and expand the platform over time.

Your responsibilities will include:

• Full-stack development. Design, develop, and ship a cross-platform mobile application using Expo and React Native, backed by Node.js and PostgreSQL.
• Technical decision-making. Contribute to architecture and infrastructure decisions in collaboration with a senior technical advisor, taking on more responsibility as you grow.
• App store delivery. Manage builds, signing, TestFlight, Play Console, and the full release process for both platforms.
• Ongoing development. Maintain code quality, respond to user feedback, and build out new features as the product evolves.
• AI-assisted development. Use agentic development workflows (including Claude Code) to move quickly and maintain quality.

What You’ll Bring to This Role

You are a curious, motivated, and detail-oriented developer who is eager to learn and take on responsibility. You enjoy problem-solving, working with new technologies, and seeing your work ship to real users.

• 1 to 2 years of professional software development experience, including internships or co-op placements.
• Experience with Node.js, TypeScript, and Expo or React Native.
• Familiarity with REST APIs and PostgreSQL (or a similar relational database).
• Familiarity with the iOS and/or Android app submission and review process.
• The ability to work independently, gather requirements, and execute on projects with minimal hand-holding.
• A strong desire to learn, improve, and take on greater responsibility over time.

Nice to Have

• Experience with AWS or another cloud platform (deployment, hosting, basic infrastructure).
• Familiarity with CI/CD pipelines and Git-based collaborative development workflows.
• Experience with testing frameworks (Jest, Vitest, or similar).
• Exposure to agentic coding workflows or AI-assisted development tooling.
• A portfolio, side projects, or open-source contributions that demonstrate initiative and curiosity.

Why This Role

This is a role where you’ll grow quickly. You’ll have real ownership from day one, a senior advisor to learn from, and the opportunity to develop into a technical leadership position as the product and team scale. If you’re looking for a role that will challenge you and accelerate your growth as an engineer, we’d love to hear from you.

We believe that diversity is key to building high-performing teams, and creating an inclusive work environment is our priority. We are an equal opportunity employer and we welcome people of diverse backgrounds, perspectives, and skills. We will work with applicants to provide accommodations at any stage of the hiring process.

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