Staff React Native Engineer

Who We Are

Bags.fm is the development company that builds and operates the entire technology stack behind bags.fm, the leading launchpad for new projects and ideas. The systems are low latency, high throughput, live under constant load, and break if you get them wrong.

What You’ll Do

As a React Native Engineer on our mobile team, you’ll play a pivotal role in building and scaling our mobile application, bringing the power of crypto and SocialFi to users worldwide. You’ll work across the stack to craft high-performance, seamless mobile experiences, shipping fast and iterating rapidly in a high-growth environment.

• Build and maintain a world-class mobile application using React Native, ensuring smooth performance and an intuitive user experience.

• Optimise for speed, efficiency, and scalability, creating a seamless bridge between blockchain interactions and mobile-first design.

• Work closely with backend engineers to integrate APIs, real-time data streams, and decentralised technologies.

• Iterate quickly—shipping features, gathering feedback, and refining the mobile experience to drive engagement and retention.

• Solve complex technical challenges related to crypto wallets, smart contract interactions, and real-time data updates.

• Maintain a clean, modular, and scalable codebase while pushing the boundaries of mobile development.

• Collaborate with designers, engineers, and product leaders to shape the future of our mobile platform.

Who You Are

• A React Native specialist with a strong track record of building and deploying mobile applications at scale

• Proficient in React Native and mobile development best practices, with a deep understanding of performance optimisation

• Comfortable working across the mobile stack, integrating native modules and optimising for iOS and Android

• Passionate about crypto, DeFi, and blockchain (or highly motivated to dive in)

• Ideally an active contributor to open source react native projects

• A fast-moving, problem-solving engineer who thrives in an environment where speed and impact matter

• High-agency and ownership-driven, capable of leading features end-to-end with minimal guidance

• Experienced in high-growth startups or fast-paced product teams, where iteration speed and user feedback drive decision-making

• Excited to be part of a world-class engineering team, building the next generation of mobile-first crypto applications

What It's Like To Work Here

• We work in person

• Hours can be long and unconventional

• The pace is intense

• Expectations are high, and impact is immediate

• Working at Bags.fm is not for everyone

Why Join Us?

• Unmatched ownership and autonomy

• Exposure to systems operating at the edge of crypto scale

• The ability to ship fast and see real-world impact immediately

If you’re motivated by responsibility, speed, and building products used by massive audiences, you’ll feel at home here.