- Product Engineering companies only

- 10+ years of experience in developing native iOS application(s). Objective C, Swift is a must.

- Understanding of Hybrid application development is a plus.

- Solid understanding of the full mobile development life cycle.

- Expert in multi-threading concepts to create highly responsive data-intensive applications

- Extensive knowledge of CoreData framework, esp. in multi-threading environments

- Good knowledge on other iOS frameworks, especially for handling Contacts and Media

- Good knowledge of web service architecture, protocols, security and data formats (Ex. REST, OAuth, JSON, etc.) and implementation patterns on the iOS platform including both Apple and 3rd party tools/frameworks

- Deep understanding of ARC memory management practices, especially when using blocks

- Experience Architect/creating/maintaining unit tests including mock objects and unit tests for asynchronous code (test expectations)

- Expert in iOS UI guidelines.

- Expert in XCode profiling tools

- Experience working with SCRUM and/or Agile development environments

- Experience working in cross-functional teams

- Expert in creating design and maintain architecture documentation, class diagrams, technical flow documents, etc

- Strong written and oral communication skills, ability to multi-task, establish priorities and meet tight deadlines

- Test Driven development

- Excellent conceptual, analytical and problem-solving abilities

- Additional plus: C++ intermediate to advanced experience

- Experience working with other technologies such as React in use for progressive web apps