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Principal iOS Engineer

jumio India (remote)


No Relocation

Posted: July 15, 2026

Job Description

Role Purpose: As a Principal iOS Engineer, you will make sure that our SDK stays cutting edge and therefore elegantly converts strangers into trusted users. You take pride in combining mobile native technologies with ML and CV. You feel comfortable switching hats between software development, software architecture, business requirements gathering, and working with our machine learning experts. You enjoy learning new technologies and sharing your code with others. Our team has already proven that our mobile SDK solution was perfect for far more than 100 Million users, join our team to make it even better.


Example Responsibilities

  • 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.


Experience and Qualifications
 

  • 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)

 

Key Characteristics and Attitudes 

In a recent global survey these attributes were valued by Jumios in all locations and functions - we firmly believe in hiring for attitude as well as skill. 

  • Friendly and supportive
  • Adaptable and flexible
  • Articulate and persuasive
  • High IQ and EQ
  • Curious and coachable
  • Commercially Aware
  • Resilient and tenacious
  • Big picture and the detail

Additional Content

Role Purpose: As a Principal iOS Engineer, you will make sure that our SDK stays cutting edge and therefore elegantly converts strangers into trusted users. You take pride in combining mobile native technologies with ML and CV. You feel comfortable switching hats between software development, software architecture, business requirements gathering, and working with our machine learning experts. You enjoy learning new technologies and sharing your code with others. Our team has already proven that our mobile SDK solution was perfect for far more than 100 Million users, join our team to make it even better.


Example Responsibilities

  • 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.


Experience and Qualifications
 

  • 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)

 

Key Characteristics and Attitudes 

In a recent global survey these attributes were valued by Jumios in all locations and functions - we firmly believe in hiring for attitude as well as skill. 

  • Friendly and supportive
  • Adaptable and flexible
  • Articulate and persuasive
  • High IQ and EQ
  • Curious and coachable
  • Commercially Aware
  • Resilient and tenacious
  • Big picture and the detail