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Upstox

Posted 27 Aug 2026

Senior iOS Developer

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Employment
Full time
Team
Software Engineering
Posted
27 Aug 2026

About the role

We're a fast-growing fintech startup on a mission to redefine how millions manage, invest, and grow their money. Backed by top-tier investors and industry leaders, we're building a mobile-first platform that's secure, scalable, and designed for real-world impact. As we scale, we're looking for a seasoned iOS developer who can lead mobile architecture, own end-to-end delivery, and build best-in-class user experiences for our growing customer base.


Responsibilities:

  • Lead the design and development of robust, scalable, and secure iOS applications.
  • Collaborate closely with product managers, designers, and backend engineers to ship new features and improve performance.
  • Optimize applications for performance, speed, and scalability.
  • Write clean, testable code and lead by example in upholding coding standards and best practices.
  • Drive architectural decisions and technical strategy for iOS across the team.
  • Own the full release cycle to the App Store, including CI/CD and deployment processes.
  • Mentor junior engineers and contribute to building a strong mobile team.


Requirements:

  • 4-7 years of hands-on experience building and scaling iOS apps.
  • Strong command of Swift, Objective-C, Xcode, and iOS frameworks.
  • Deep knowledge of iOS internals - memory management, concurrency, debugging, and performance tuning.
  • Proven experience working with RESTful APIs, secure mobile transactions, real-time data, and offline-first design.
  • Experience with MVVM/MVI, SwiftUI, and mobile architectural patterns.
  • Strong knowledge of the App Store lifecycle, certificates, and provisioning profiles.
  • Ability to thrive in a startup environment: ownership mindset, adaptability, and strong problem-solving skills.


Good to Have:

  • Prior experience in fintech, banking, or the digital payments domain.
  • Exposure to encryption, data privacy, and compliance (RBI, PCI DSS, etc. ).
  • Familiarity with analytics, crash reporting tools, and A/B testing frameworks.
  • Contributions to open-source or personal fintech apps in the App Store.

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