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Instaleap

Senior iOS Engineer

Instaleap

As an iOS Engineer at Instacart, you'll develop key features for the Shopper iOS app. You'll lead the architecture and design of high-performance mobile experiences.

Posted 6/6/2026full-timeRemote • 🇨🇴 ColombiaSeniorWebsite

Tech Stack

Tools & technologies
iOSRxSwiftSwift

About the role

Key responsibilities & impact
  • Architect, build, and maintain complex iOS applications using Swift, SwiftUI, UIKit, RxSwift, Swift Concurrency or Combine.
  • Implement pixel-perfect UIs that faithfully match designs and scale across devices, with a focus on accessibility and internationalization.
  • Integrate with backend services via RPC, REST and Websockets to make sure we are delivering a great mobile user experience that is super-fast for end users.
  • Own important pieces of the product that have high visibility both internally and externally.
  • Envision new products and features that are inspired, considered, and forward thinking.
  • Own feature areas end to end—from technical design and instrumentation to rollout, monitoring, and iteration—driving measurable gains in picker speed and accuracy.
  • Communicate and collaborate extensively across multiple teams and functions within the company to drive consensus, align goals, and achieve effective cross-functional outcomes.
  • Profile, benchmark, and optimize app performance; track stability and quality with observability and crash monitoring tools.

Requirements

What you’ll need
  • 8+ years of iOS development experience.
  • Expertise in iOS development technologies, including Swift, SwiftUI, UIKit, RxSwift, Swift Concurrency or Combine.
  • Expertise in performance optimization on iOS.
  • Experience instrumenting apps for analytics, crash reporting, and performance monitoring.
  • Proven ability in rigorous unit testing and practical problem-solving.
  • Proficient in debugging and analytical skills using XCode tooling, profilers, and logs.
  • Excellent communication and leadership skills, capable of collaborating and influencing cross-functional teams.
  • Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience.

Benefits

Comp & perks
  • Hybrid Work: Work together as a team.
  • Flexible hours: We trust your work and skills.
  • Additional days off to vacations.
  • Half day off on your birthday.
  • Access to Educational Budget.
  • Health insurance: Get the attention and care that you deserve. Available in some countries.

ATS Keywords

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Hard Skills & Tools
iOS developmentSwiftSwiftUIUIKitRxSwiftSwift ConcurrencyCombineperformance optimizationunit testingdebugging
Soft Skills
communicationleadershipcollaborationproblem-solvinginfluencing
Certifications
Bachelor's degree in Computer ScienceMaster's degree in Computer ScienceBachelor's degree in Software EngineeringMaster's degree in Software Engineering