Earnin

Senior Mobile Engineer (iOS)

Earnin$199K — $244K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Computer Science or equivalent experience.
  • 4+ years in mobile development, with a history of leading complex projects.
  • Expertise in Swift and modern iOS paradigms (e.g., Combine, SwiftUI).
  • Strong grasp of iOS application architectures like MVVM and MVP.
  • Ability to architect scalable mobile solutions.
  • Mentoring experience and fostering team growth.
  • Familiarity with Android development is a plus.

Responsibilities

  • Drive development and implementation of impactful product features.
  • Architect and optimize mobile infrastructure for scalability and performance.
  • Collaborate with backend engineers to create efficient APIs.
  • Enforce engineering best practices for code quality and design excellence.
  • Identify and lead strategic technical initiatives and architectural guidance.
  • Oversee development of testing strategies for new and existing features.
  • Analyze key performance indicators to inform product enhancements.

Benefits

  • Healthcare coverage.
  • Reimbursement for internet and cell phone expenses.
  • Learning and development stipend.
  • Opportunities to travel to headquarters in Mountain View.
  • Hybrid work model from the Vancouver office.
Full Job Description
POSITION SUMMARY

We are seeking a Senior iOS Engineer to lead the development and scaling of new and existing product experiences. You will drive feature development, serve as an architect, optimize performance, and ensure a seamless user experience, bringing innovative ideas to life in a fast-paced environment. The Canada base salary range for this full-time position is $199,000- $244,000, plus equity and benefits. This position will be hybrid from our Vancouver, Canada office as part of our expanding site, with two days a week in the office required. EarnIn offers excellent employee benefits, including healthcare, internet and cell phone reimbursement, a learning and development stipend, and potential opportunities to travel to our Mountain View headquarters. Our salary ranges are determined by role, level, and location. We are unable to provide visa sponsorship or immigration support for this position.
WHAT YOU'LL DO
  • Drive the development and implementation of complex product features that significantly impact customer experience and business outcomes.
  • Potentially architect, lead, and optimize mobile infrastructure, ensuring exceptional scalability, performance, and reliability to support the organization's strategic growth.
  • Lead collaborative efforts with backend engineers to define and evolve robust, efficient, and well-documented APIs for seamless mobile-to-server communication.
  • Champion and enforce engineering best practices across teams, raising the standards for code quality, system design, and operational excellence.
  • Proactively identify and drive strategic technical initiatives, providing clear vision, architectural guidance, and effective problem-solving for complex challenges.
  • Potentially architect and oversee the development of comprehensive unit, integration, and UI automation testing strategies to guarantee the quality and stability of new features and the resilience of existing functionalities.
  • Define and analyze key performance indicators using advanced analytics to measure feature effectiveness, identify areas for improvement, and drive data-informed decisions for future product enhancements.
WHAT WE'RE LOOKING FOR
  • Bachelor's degree (or higher) in Computer Science or a related field, or equivalent practical experience.
  • 4+ years of relevant industry experience, with a significant portion focused on mobile development and a track record of leading complex projects.
  • Expert-level proficiency in Swift, with deep expertise in modern iOS paradigms (Combine, Swift Concurrency, SwiftUI, etc).
  • Extensive and nuanced understanding of iOS application architectures (MVVM, MVP, VIPER, etc.) and their trade-offs.
  • Proven ability to architect scalable and maintainable mobile solutions.
  • Some experience in mentoring and guiding other engineers, fostering technical growth within the team.
  • Familiarity with Android development and cross-platform technologies is a strong plus.
  • Active participation in the broader iOS development community (e.g., open-source contributions, conference presentations) is a plus.
  • Experience using AI-assisted development tools (e.g., Copilot, Cursor, LLMs)


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About Earnin

Earnin is a financial services company that provides a mobile app that allows users to access their earned wages before payday. The app uses a proprietary algorithm to determine how much money users can access based on their work history and other factors. Earnin was founded in 2013 and is headquartered in Palo Alto, California.
Learn more about Earnin
Size
200 employees
Industry
Founded
2012

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