flex

Software Engineer II, Frontend, Mobile and Web

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At a Glance

Location
New York, New York, United States; Remote (U.S.); San Francisco, California, United States
Work Regime
remote
Experience
2+ years
Posted
2026-02-25T13:52:48-05:00

Key Requirements

Required Skills

REST APIReactTypeScript

Domain Knowledge

  • Automation
  • Medical

Benefits & Perks

Time Off

company equity Unlimited PTO

Requirements

A minimum of 2 years experience in React.js or React Native is required for this position.

Strong computer science fundamentals

A strong focus on building high quality mobile and web UIs to specifications

Experience with various architectures and tools within the React Native and React ecosystems (Hooks, Components, Context, Redux).

Experience delivering products at a large scale without performance bottlenecks (hundreds of thousands to millions of users)

Write maintainable code that uses industry best practices to improve the entire software development life cycle (unit testing, linting, automation).

Responsibilities

Flex is looking for a Software Engineer II that will be responsible for the development of our core user experience across our mobile and web platforms. In this role you will be working closely as part of a team to launch new features across our web and mobile platforms. You’ll be developing, designing, testing, and scaling new product offerings that solve complex problems in a simple way for all of our users.

You can expect to be working closely with other cross functional partners across our organization on a daily basis. Our team works in an agile manner, and some of the partners you can expect to work with in this role include designers, product managers, and quality engineers. We expect you to be able to be hands-on and execute on work as both an individual, while also building products that allow for flexibility as we are evolving our product offerings.

Work closely with product, design, and engineering peers to launch new features across our web and mobile platforms

Design, test, and scale new features to solve complex problems in a simple way for our customers

Be hands-on and execute work as an individual, while also building products that allow for flexibility as we evolve our product offerings

The ideal candidate will be comfortable leading scoping, design, & implementation for mobile/web features