Senior Staff React Native Engineer

Senior Staff React Native Engineer at Bags.fm — New York, NY, US

  • Company: Bags.fm
  • Location: New York, NY, US
  • Employment type: Full-time
  • Posted: 2026-08-18

About this role

WHO WE ARE

Bags.fm is the development company that builds and operates the entire technology stack behind bags.fm https://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 Senior Staff React Native Engineer, you’ll remain deeply hands-on while shaping the technical direction of our mobile platform. You’ll take ownership of the hardest problems, influence architectural decisions, and elevate the engineers around you — all while continuing to ship production code at a high velocity.

  • Lead by example through high-impact code contributions across critical areas of the mobile stack
  • Own the most complex technical initiatives, from architecture design to production deployment
  • Set technical direction for mobile architecture while remaining deeply involved in implementation
  • Establish and evolve patterns for performance, reliability, and security in a crypto-native environment
  • 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

  • 8–12+ years of engineering experience, with deep expertise in React Native and mobile architecture
  • Proven track record of owning and shipping large, technically complex systems end-to-end
  • Comfortable operating as the technical anchor for a product area while remaining fully hands-on
  • Strong architectural instincts, but biased toward pragmatic execution
  • Able to influence technical direction through clarity of thinking and strength of implementation
  • Experienced in high-growth environments where you’ve helped systems evolve under rapid scale
  • Naturally raises the bar for code quality, performance, and engineering standards around you

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.

Apply at Bags.fm

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