Principal iOS Engineer

Jumio Corporation

Principal iOS Engineer developing iOS SDKs and collaborating on user-facing applications at Jumio. Ensuring quality software delivery and managing core product architecture within a high-performing team.

Posted 7/15/2026full-timeRemote • 🇮🇳 IndiaLeadWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive experience in iOS application development using Swift, with a strong focus on software design patterns and quality assurance. Capable of managing large-scale projects and collaborating effectively within a distributed team environment.

Highest-signal resume keywords

IOS Application DevelopmentSwift ProgrammingSoftware Design PatternsCI/CD ExperienceTest Automation

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

IOS Application DevelopmentSwift ProgrammingSoftware Design PatternsTest AutomationUnit TestingIntegration TestingSDK DevelopmentCross-Platform FrameworksRubyFastlane

Soft Skills

Effective CommunicationCollaborationTime ManagementOwnershipResult-Oriented

Tools & Technologies

CI/CD ToolsTest Automation ToolsCross-Platform FrameworksReact NativeFlutterCordova

Industry Keywords

Digital IdentitiesPIIOpen Source

Tech Stack

Tools & technologies

AndroidFlutteriOSOpen SourceReactReact NativeRubySwift

About the role

Key responsibilities & impact

You’ll be responsible for the further development and architecture of our core products (mainly our native iOS SDK and sometimes on our end user-facing customer applications, cross-platform deliveries, …)
Take ownership in delivering new functionality and fixes from idea creation, through the design phase until the public release.
You write clean, readable and well documented code and you understand that your changes impact hundreds of well known applications in the app store and influence the experience of an impressive number of daily unique end-users using our SDK.
Participate in resolving issues together with our customers.
Collaborate with the whole R&D team / entire company to build features that matter
Manage your own work by organizing your time, prioritizing tasks and taking ownership of topics.

Requirements

What you’ll need

8+ years of experience in developing iOS applications in Swift
Strong understanding of software design patterns as well as iOS specifics
Capable of working on large scale projects
Obsessive in delivering quality software
Business driven and result-oriented individual
Effective communication & collaboration skills as you will be working a high performing team who currently works in a distributed setup
Experience with CI/CD
Test Automation - writing Unit and Integration tests
Android basics and architecture
Experience with Digital Identities or PII
Track record of developing SDKs/Frameworks
Great to have Experience and Qualifications
Passionate about open source
Ruby (Fastlane)
Experience with Cross-platform frameworks is a plus (React Native, Flutter, Cordova)

Benefits

Comp & perks

Jumio is a collaboration of people with different ideas, strengths, interests and cultures. We welcome applications and colleagues from all backgrounds and of all statuses.