Senior Software Engineer iOS

Posted 2 Days Ago
Be an Early Applicant
Mexico City, Cuauhtémoc, Mexico City
Hybrid
2K-2K Annually
Senior level
Financial Services
The Role
The Senior iOS Engineer will design and implement features for PayJoy's iOS app, ensuring quality and scalability while collaborating across teams. A focus on enhancing financial opportunities for underserved customers is key.
Summary Generated by Built In
About PayJoy

PayJoy is a mission-first credit provider dedicated to helping under-served customers in emerging markets to achieve financial stability and success.  Our patented technology for secured credit provides an on-ramp for new customers to enter the credit system.  Through PayJoy’s point-of-sale financing and credit cards, customers gain access to a modern quality of life.  PayJoy’s credit also allows our customers to seize opportunities as micro-entrepreneurs, and provide safety acts as insurance for tough times. Through our cutting-edge machine learning, data science, and anti-fraud AI, we have served over 18 million customers as of 2025 while achieving solid profitability for sustainable growth.

This role

As a Senior iOS Engineer, you are a highly senior and independent individual contributor who executes iOS technical design and implementation. You write software to create a high bar on code quality and the features that expand financial opportunity for underserved communities around the world. You are the expert resource on iOS and model the decision-making and interpersonal behaviors that enable PayJoy to deliver reliable, scalable, mission-critical financial technology.

Responsibilities

  • Design, build, and operate our iOS app across multiple markets.
  • Implement effective, resilient, and scalable features using Swift, SwiftUI, modern iOS frameworks, unit/integration tests, and clean architecture practices.
  • Ensure long-term system health, maintainability, and performance.
  • Provide technical input on system-level decisions, identifying and resolving cross-team technical obstacles.
  • Own Delivery End-to-End
  • Own the technical design, implementation, testing, rollout, and long-term maintenance of major iOS features.
  • Be a strong participant in the end-to-end release process for PayJoy’s iOS applications, ensuring timely, reliable, and high-quality delivery across TestFlight, App Store Connect, and production environments.
  • Monitor build health, crash reports, and performance metrics during TestFlight and post-release, driving rapid iterations or rollbacks as needed.
  • Proactively manage ambiguous or novel problem spaces, ensuring clarity and alignment for collaborating teams.
  • Communicate clearly at both tactical and strategic levels, helping colleagues understand tradeoffs, timelines, and dependencies.

Requirements

  • 5+ years of professional experience building native iOS applications.
  • Strong proficiency in Swift, iOS architectural patterns, async programming, iOS system security, and MDM-aware iOS apps.
  • Experience managing TestFlight and App Store app submissions and handling App Store rejections. 
  • Demonstrated ability to deliver complex features.
  • Experience with one (or several!) of these areas: mobile credit/payments products, MDM and enterprise management, Android development, or emerging markets.
  • Experience in product experimentation, A/B testing, analytics, and reliability engineering.
  • Exceptional communication, collaboration.
  • A mindset aligned with PayJoy’s mission of expanding financial access and culture of speed, transparency, direct communication, and adaptability.
  • Advanced English Level

Benefits

  • 100% Company-funded Health and dental and vision discount plan for employees and immediate family members.
  • Life insurance.
  • Phone finance, Headphone, home office equipment and wellness perks.
  • 30 days of Christmas bonus
  • 20 days paid Vacation
  • 50% Vacation premium 
  • 13% Saving funds 
  • $2,000 MXN monthly grocery coupons
  • $2,000 USD annual Co-working Travel perk
  • $2,000 USD annual Professional Development perk
  • Catered lunches

PayJoy is proud to be an Equal Employment Opportunity employer and we welcome and encourage people of all backgrounds. We do not discriminate based upon race, religion, color, national origin, gender (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics.

PayJoy Principles

Finance for the next billion * Ownership * Break Through Walls * Live Communication * Transparency & Directness * Focus on Scale * Work-Life Balance * Embrace Diversity * Speed * Active Listening

Top Skills

App Store Connect
Ios Frameworks
Swift
Swiftui
Testflight
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The Company
HQ: San Francisco, CA
617 Employees
Year Founded: 2015

What We Do

PayJoy's mission is to deliver access to credit to the next billion people in emerging markets worldwide. Our unique mobile security technology gives customers the ability to afford their first smartphone on credit, using the phone itself as collateral, and then provides further access to credit to help weather life's unexpected financial surprises and climb the ladder of economic well-being.

Founded in 2015, today PayJoy has reached millions of customers in a dozen countries around the globe, including Mexico, Brazil, Colombia, India, Kenya, and South Africa, and is on a strong growth path with support from major industry partners to bring credit to the next billion emerging consumers.

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