Senior Mobile Developer (iOS & Android)

Remote (Colombia) · Full-time · Engineering

About the role

We’re looking for a Senior Mobile Developer who can own both iOS and Android applications for one of our U.S.-based fintech clients. You’ll take full ownership of the mobile experience — from architecture and implementation to app store deployment — in a lean, fast-moving environment where async collaboration and initiative are essential.

Responsibilities

  • Architect, build, and maintain iOS and Android applications
  • Own the full mobile development lifecycle from concept to app store release
  • Collaborate with product, design, and backend teams to deliver seamless user experiences
  • Ensure app performance, quality, and security across both platforms
  • Participate in code reviews and contribute to engineering best practices
  • Mentor other developers and support team growth

Requirements

  • 5+ years of professional mobile development experience
  • Proficient in Swift (iOS) and Java or Kotlin (Android)
  • Comfortable working across both platforms independently
  • Strong understanding of mobile UX patterns, performance optimization, and app store deployment
  • Experience with version control (Git) and CI/CD workflows
  • Excellent English communication skills (B2 or above)

Nice to have

  • Experience in fintech, payments, or financial services apps
  • Familiarity with secure coding practices (data encryption, certificate pinning, biometric auth)
  • DevOps exposure — CI/CD pipelines for mobile (e.g. Fastlane, GitHub Actions)
  • AWS experience
  • Experience with Stripe
  • Spanish language skills

Benefits

  • 💰 Competitive salary in USD
  • 🌎 100% remote work (occasional travel as needed)
  • 🇺🇸 Work with US-based companies building impactful products
  • 🤝 Join a collaborative, high-performance team
  • 🛠️ Modern tech stack and tools