Onsite React Native Developer

Senior React Native Developer, Loughton (IG10) – Essex

80k to 120k DOE – fully onsite though, 5 days a week with no remote flex

Avanti Recruitment is working with a fast-growing, digital-first financial services business looking to hire a Senior React Native Developer to take ownership of their mobile application and help shape the future of their platform.

This is a hands-on role where you’ll be building and scaling high-performance mobile apps used by real customers, working closely with product, design, and backend teams.

What you’ll be doing

  • Building and maintaining cross-platform mobile apps using React Native
  • Designing scalable, high-quality mobile architecture
  • Collaborating with UX, product, and backend teams to deliver new features
  • Integrating APIs and third-party services
  • Implementing secure, reliable mobile solutions
  • Driving best practices across testing, performance, and code quality
  • Supporting CI/CD pipelines and app releases to iOS and Android stores

What we’re looking for

  • Strong commercial experience with React Native
  • Solid JavaScript / TypeScript skills
  • Experience delivering mobile apps end-to-end
  • Knowledge of state management (Redux, MobX, Context API, etc.)
  • Experience integrating REST APIs
  • Familiarity with testing tools such as Jest or Detox
  • Understanding of mobile performance, scalability, and security

Nice to have

  • Experience with native iOS or Android development
  • Exposure to CI/CD and mobile build pipelines
  • Experience in fintech or regulated environments

Why apply?

  • High-impact role with real ownership of a core product
  • Work in a modern, collaborative engineering team
  • Opportunity to shape mobile architecture and best practices
  • Competitive salary and benefits package

Job Details

Company
Avanti
Location
Loughton, Essex, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £120,000 per annum
Posted