IOS SDKs Engineer

Requirements

• Strong debugging abilities for diagnosing and solving issues independently with minimal supervision
• SDK experience
• 5+ years of professional software development experience, with deep expertise (min 3 years experience) in both iOS (Swift/Objective-C) and Android (Kotlin/Java).
• Proven track record of building and maintaining production-grade SDKs/libraries.
• Strong understanding of low-latency mobile networking, concurrency, and memory management.
• Experience independently debugging complex production issues across diverse devices and OS versions.
• Familiarity with mobile performance profiling, crash analysis, and monitoring tools.
• Ability to work with minimal guidance and drive solutions end-to-end.
• Excellent communication skills and ability to collaborate across teams.

• Experience with backend services and Java-based systems.
• Prior experience in experimentation, A/B testing, or analytics systems.

• Lead the design, development, and maintenance of iOS and Android SDKs for the experimentation platform.
• Deliver optimized, low-latency, and reliable SDKs for large-scale mobile applications.
• Independently debug, troubleshoot, and resolve production issues on both iOS and Android SDKs.
• Own the full lifecycle of SDK development — from architecture, implementation, testing, to release management.
• Partner with backend and experimentation platform teams to ensure seamless integration and end-to-end functionality.
• Implement best practices in mobile SDK versioning, automated testing, CI/CD, and performance monitoring.
• Provide strong documentation and developer support to enable easy SDK adoption.

• 5+ years of professional software development experience, with deep expertise(min 3 years experience) in both iOS (Swift/Objective-C) and Android (Kotlin/Java).
• Proven track record of building and maintaining production-grade SDKs/libraries.
• Strong understanding of low-latency mobile networking, concurrency, and memory management.
• Experience independently debugging complex production issues across diverse devices and OS versions.
• Familiarity with mobile performance profiling, crash analysis, and monitoring tools.
• Ability to work with minimal guidance and drive solutions end-to-end.
• Excellent communication skills and ability to collaborate across teams.

BLOCKCHAIN TECHNOLOGIES LLC is an equal opportunity employer inclusive of female, minority, disability and veterans, (M/F/D/V). Hiring, promotion, transfer, compensation, benefits, discipline, termination and all other employment decisions are made without regard to race, color, religion, sex, sexual orientation, gender identity, age, disability, national origin, citizenship/immigration status, veteran status or any other protected status. BLOCKCHAIN TECHNOLOGIES LLC will not make any posting or employment decision that does not comply with applicable laws relating to labor and employment, equal opportunity, employment eligibility requirements or related matters.

Nor will BLOCKCHAIN TECHNOLOGIES LLC require in a posting or otherwise U.S. citizenship or lawful permanent residency in the U.S. as a condition of employment except as necessary to comply with law, regulation, executive order, or federal, state, or local government contract.