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EarnIn Logo EarnIn · IT - Software Development

Senior Mobile Engineer (iOS)

Mexico, Mexico City · Job Posted December 08, 2025
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Job Description

We’re looking for an experienced and passionate Senior iOS Engineer to join our Live Pay team at EarnIn. In this role, you’ll help shape the customer experience by building and refining our flagship iOS app—the primary way users interact with our platform. We value engineers who are curious, quality-driven, and eager to experiment. You’ll help build groundbreaking, industry-leading products that redefine how people access and manage their money. You should have experience developing and maintaining mobile products at scale, along with the architectural mindset to design solutions that can evolve as our product grows.

Job Responsibility

  • Build, ship, and maintain iOS product features that improve the customer experience and define our user journey
  • Architect and refine mobile infrastructure to enable scalability and support the rapid development of new products
  • Collaborate closely with backend engineers to design robust APIs that facilitate seamless communication between mobile devices and servers
  • Partner with Product and UX specialists to deliver new and unique designs
  • Lead and advocate for engineering best practices to maintain high code quality and system reliability
  • Drive projects proactively, offering strategic direction and problem-solving to navigate uncertainty
  • Mentor the mobile engineering team, elevating skills and optimizing processes for efficiency
  • Design and execute unit and UI automation tests to ensure new features integrate smoothly without disrupting existing functionalities
  • Analyze feature effectiveness using advanced analytics to drive data-informed improvements

Requirements

  • Bachelor’s degree (or higher) in Computer Science, related field, or equivalent practical experience
  • 4+ years of professional mobile development experience, with a strong focus on iOS
  • Expert in Swift and modern iOS paradigms (Swift Concurrency, Combine, SwiftUI)
  • Proven experience building and shipping high-quality consumer apps at scale
  • Solid grasp of iOS architectures (MVVM, MVP, VIPER, etc.)
  • Familiar with end-to-end engineering practices: code reviews, CI/CD, automated testing, and monitoring

Nice to have

  • Experience (or deep curiosity) in using AI/LLMs to supercharge development
  • Exposure to Android development is a plus

What we offer

  • healthcare
  • internet and cell phone reimbursement
  • a learning and development stipend
  • potential opportunities to travel to our headquarters in Mountain View
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