> Markdown version of [/jobs/ext/140016-senior-frontend-mobile-developer-contract](https://www.wearedevelopers.com/jobs/ext/140016-senior-frontend-mobile-developer-contract). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Senior Frontend / Mobile Developer (contract)

- **Company:** Vault Inc.
- **Location:** United States (Remote available)
- **Experience:** Expert
- **Salary:** $104,000.0 - $124,800.0
- **Contract:** Permanent contract
- **Skills:** Flutter, PHP (Programming Language), Automation of Tests, Mobile Application Development, Mobile Application Software, Laravel, Software Engineering, TypeScript, ReactJS, Git, React Native, Front End Software Development, Restful APIs, Software Version Control
- **Published:** May 29, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=6fdccce88db21f64

## About the Role

Do you have experience in Version control?, Do you have a High school diploma or GED?, * You have strong mobile development experience with React Native and Expo (3+ years)

 * You have a solid understanding of React and modern frontend development (3+ years)
 * You're proficient in TypeScript
 * You're comfortable consuming and working with REST APIs
 * You know how to use source control (Git)
 * You are a US citizen based in the US and available during US business hours
 * You have an entrepreneurial spirit and love solving hard problems with innovative solutions
 * You're self-sufficient - you can take a problem, ask the right questions, and deliver without constant oversight

Bonus Points for:

 * Experience with Flutter
 * Familiarity with PHP/Laravel
 * Experience with CI/CD pipelines or automated testing
 * Experience contributing to early-stage product strategy or startup environments, * High school or equivalent (Preferred), * Flutter: 1 year (Preferred)
 * PHP: 3 years (Preferred)
 * Laravel: 3 years (Preferred)
 * React Native: 3 years (Required)
 * React: 3 years (Required)

## Description

Vault Innovation is looking for a senior Frontend & Mobile Developer contractor for a long-term, ongoing engagement with our team.

About Vault: Vault Innovation is a Chicago-based software development agency that leads companies and entrepreneurs through product development and business growth. Since 2012, we pride ourselves on being on the cutting edge of technology and applying it to different industries, from eSports to healthcare and anything in between.

What you'll do:

 * Build and maintain mobile applications using React Native and Expo
 * Develop responsive web applications using React and TypeScript
 * Integrate with REST APIs across a variety of client projects
 * Work independently alongside our Product Managers, Designers, and engineering team to ship high-quality solutions across growth industries
 * Take ownership of your work with minimal hand-holding


## Related Videos

- [Intro to Flutter Development](https://www.wearedevelopers.com/videos/170-intro-to-flutter-development)
- [Flutter Packages and Plugins - A Look Under the Hood](https://www.wearedevelopers.com/videos/555-flutter-packages-and-plugins-a-look-under-the-hood)
- [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94)
- [The Laravel Core - Demystify The Beast](https://www.wearedevelopers.com/videos/98-the-laravel-core-demystify-the-beast)
- [Applying DevOps in Flutter mobile development](https://www.wearedevelopers.com/videos/60-applying-devops-in-flutter-mobile-development)
- [Writing truly cross plattform applications using flutter](https://www.wearedevelopers.com/videos/456-writing-truly-cross-plattform-applications-using-flutter)

## Related Articles

- [Flutter Developer Salary [2023]](https://www.wearedevelopers.com/magazine/199-flutter-developer-salary-2023)
- [Basic And Advanced Networking in Dart and Flutter](https://www.wearedevelopers.com/magazine/112-basic-and-advanced-networking-in-dart-and-flutter)
- [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)
- [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023)
- [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers)
- [Cross Platform Mobile Development Frameworks to Use in 2025](https://www.wearedevelopers.com/magazine/404-cross-platform-mobile-development-frameworks-to-use-in-2025)