Earnin

Senior Mobile Engineer (iOS)

Earnin$199K — $244K *
US-AnywhereRemote in Canada
Consumer Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Computer Science or related field, or equivalent experience.
  • 4+ years of relevant industry experience in mobile development and project leadership.
  • Expert proficiency in Swift and familiarity with modern iOS frameworks like Combine and SwiftUI.
  • Strong understanding of iOS application architectures (MVVM, MVP, VIPER).
  • Proven experience in developing scalable and maintainable mobile solutions.
  • Mentoring experience to help guide junior engineers is beneficial.
  • Familiarity with Android development and cross-platform technologies is advantageous.

Responsibilities

  • Drive the development of impactful product features to enhance customer experience.
  • Lead the architecture and optimization of mobile infrastructure for scalability and performance.
  • Collaborate with backend engineers to define and document APIs for mobile-server communication.
  • Champion best engineering practices to ensure high standards in code quality and system design.
  • Identify and drive strategic technical initiatives to solve complex challenges effectively.
  • Oversee the establishment of testing strategies to ensure quality and stability of applications.
  • Define key performance indicators to measure feature effectiveness and inform future improvements.

Benefits

  • Healthcare coverage for employees.
  • Reimbursement for internet and cell phone expenses.
  • Learning and development stipend for ongoing education.
  • Potential travel opportunities to the Mountain View headquarters.
  • Hybrid working model with flexibility to work remotely within Canada.
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-based 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, though a remote arrangement within Canada is also possible. 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.
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)


#LI-Hybrid

A Note on AI in the Hiring Process: EarnIn may use Artificial Intelligence (AI)-powered tools during the hiring process, including tools that generate summaries or notes for interviewers, review resumes, assist with scheduling, or help identify themes across candidate responses and profiles for a given role. Final hiring decisions are made by human interviewers and hiring managers. If you have any concerns about the use of AI in our hiring process, please connect with your recruiter. With your consent, EarnIn may use AI tools to help transcribe or summarize interviews. Recordings are treated as confidential candidate data and are accessible only to authorized hiring personnel. Declining to be recorded will not negatively affect your candidacy or evaluation.

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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