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WhatsApp - Software Engineer - iOS

Meta· Engineering
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São Paulo, BrazilFull-timePosted 4d ago

About the role

iOS software engineer role within WhatsApp Services, focusing on building scalable, high-quality iOS features and architectures for payments, commerce and money-centric flows in Brazil. Leads technical initiatives, collaborates cross-functionally, and mentors teammates while operating in a zero-to-one, fast-moving environment.

Responsibilities

  • Build and ship client features for WhatsApp on iOS, with a focus on performance, reliability and responsiveness.
  • Own iOS client architecture for services surfaces — payments, commerce and the everyday money-centric flows people already come to WhatsApp for.
  • Work across Swift and Objective-C with the iOS SDK, and partner with server and platform teams on API design.
  • Set direction and goals for a team, lead major initiatives and drive them to completion across functions.
  • Architect efficient and scalable systems that drive complex applications, and make the engineering trade-offs a 0-to-1 effort demands.
  • Identify and resolve performance and scalability issues, and drive large efforts to reduce technical debt.
  • Establish ownership of significant components, features or systems with expert end-to-end understanding.
  • Provide technical guidance and mentorship to peers, help onboard new team members and raise the engineering bar in the team.
  • Collaborate with cross-functional teams in product management, design, data science and operations to build innovative application experiences.
  • Partner with payments, legal, compliance and local operations partners to ship services that meet the reliability and regulatory bar expected in Brazil.

Qualifications

  • Bachelor's degree in Computer Science, Computer Engineering, relevant technical field, or equivalent practical experience
  • 8+ years of programming experience in a relevant language, or 4+ years of experience with a PhD
  • Demonstrated experience driving change within an organization and leading complex technical projects
  • Experience utilizing data and analysis to explain technical problems and provide detailed feedback and solutions

Skills

Required:iOS developmentCross-functional collaboration
Nice to have:Multithreading programmingRelease cadence / craftsmanshipPayments ecosystem familiarity (Brazil)Monetization / payments / commerce / AI/ML0-to-1 product developmentGlobal, multi-market productsAI tools integration / responsible AI

Benefits

  • Not specified in the provided text
Last updated Oct 23, 2026. Interested? Apply on the company site.

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