One, Inc

React Native Mobile Engineer, Banking

One, Inc$100K — $130K *
US-AnywhereRemote in United States
Finance & Insurance
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 5+ years of experience in developing and deploying iOS and Android applications using React Native.
  • Experience creating secure, user-focused financial or payments applications with a focus on detail in money movement and compliance.
  • Strong expertise in TypeScript and React, with familiarity in state management, networking, and native integrations; GraphQL knowledge is a bonus.
  • Demonstrated ability to work collaboratively in dynamic, cross-functional teams; strong ownership and documentation skills.
  • Proactive and driven mentality, with a strong desire to build and execute.

Responsibilities

  • Ship high-quality features across iOS and Android for core banking functionalities, including account management.
  • Collaborate with product, design, and backend teams to create reliable mobile interfaces from concept to rollout.
  • Implement best practices in testing and CI/CD to enhance quality and speed, including automated unit and integration tests.
  • Enhance mobile performance, accessibility, and resilience while ensuring seamless experiences at scale through monitoring and analytics.
  • Contribute to the shared mobile platform using design system components to ensure consistency and expedite development.

Benefits

  • Competitive base salary and stock options with health benefits starting on Day 1.
  • 401(k) plan with matching contributions.
  • Remote-friendly work environment and flexible time off (FTO).
  • Growth opportunities in a mission-driven, inclusive culture that values impact.
Full Job Description
The Role

As a React Native Mobile Engineer on the Banking team at OnePay, you will build simple and beautiful mobile experiences for everyday money movement and account management that millions rely on.

What You'll Do
  • Ship high-quality features across iOS and Android for core banking journeys, including account funding, transfers, and card management.
  • Collaborate with product, design, and backend partners to translate requirements into performant, reliable mobile interfaces with clear ownership from concept through release.
  • Employ best practices in testing and CI/CD to deliver with quality and speed, including automated unit and integration tests and release process improvements.
  • Improve mobile performance, accessibility, and resilience, instrumenting analytics and monitoring to ensure seamless experiences at scale.
  • Contribute to our shared mobile platform by adopting design system components, navigation patterns, and developer tooling that enable consistency and velocity.


You Bring
  • 5+ years of professional experience developing and deploying iOS and Android applications using React Native.
  • Experience building secure, user-centric financial or payments experiences, with attention to precision in money movement, error handling, and compliance-friendly UX.
  • Strong TypeScript and React expertise with proficiency in state management, networking, and native integrations; familiarity with GraphQL and React Navigation is a plus.
  • Proven track record of collaboration, documentation, and ownership in fast-moving, cross-functional teams.
  • Drive and proactivity - everyone here is a builder and executor.
Tools We Use

We use Node and TypeScript on the server, leveraging the NestJS framework within a microservice-oriented architecture running on Kubernetes and AWS. On the client side, we build and ship product features for iOS, Android, and web platforms using React Native. We also embrace AI-assisted development, so engineers have their choice of Claude Code or Cursor to fit their workflow. While you don't need experience with our exact stack, familiarity with modern software engineering practices will help you ramp up quickly.

What We Offer
  • Competitive base salary, stock options, and health benefits from Day 1
  • 401(k) plan with company match
  • Remote-friendly (US), flexible time off (FTO), and opportunities for growth
  • A high-growth, mission-driven, inclusive culture where your work has real impact


Standard Interview Process
  • Initial Interview with Talent Partner
  • Technical or Hiring Manager Interview
  • Team Interview
  • Executive Interview
  • Offer!


About One, Inc

One, Inc. provides software solutions for the insurance industry. The company offers a cloud-based policy administration system that automates the process of selling and servicing insurance policies. The company's platform enables insurance companies to manage policies, claims, billing, and analytics. The company's customers include insurance carriers, managing general agencies, and brokers. The company was founded in 2005 and is headquartered in Santa Monica, California.
Learn more about One, Inc
Size
200 employees
Industry
Founded
2012

Similar Jobs

More Jobs at One, Inc

More Finance & Insurance Jobs

Find similar React Native Mobile Engineer, Banking jobs: