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Luciq · 1 month ago

Senior iOS SDK Engineer (Remote: Europe)

United States

Full-time

Remote

Senior Level, Lead/Staff

7+ years exp

Luciq is seeking a Senior/Staff iOS Engineer with strong experience in building public-facing SDKs. The role involves working on high-scale, performance-critical components and shaping the next generation of mobile SDK architecture.

AnalyticsApplication Performance ManagementArtificial Intelligence (AI)Developer ToolsEnterprise SoftwareiOSMobile AppsPredictive AnalyticsSaaSSoftware

Responsibilities

Own core parts of our iOS SDK architecture: design, implementation, performance, and stability

Build and maintain a clean, robust public API surface with strong backward-compatibility and versioning discipline

Work hands-on with Swift and Objective-C, including mixed-code environments and safe migration patterns

Improve our event pipelines: batching, offline storage, retries, backoff, crash safety, and performance

Enhance low-level components: crash handling, signal/Mach exceptions, hang detection, logging, and instrumentation

Collaborate across Android, RN, Flutter, and Backend teams on unified behaviors and data contracts

Identify bottlenecks using Instruments and ship optimizations with measurable impact

Write reliable unit, integration, and scenario tests to ensure stability in a wide range of host-app conditions

Participate in technical design reviews, RFC discussions, and architecture decisions

Improve developer experience through documentation, samples, and clarity of APIs

Qualification

IOS SDK developmentSwiftObjective-CAPI designNetworkingDebugging with InstrumentsCI/CD for SDKsCrash reportingMemory managementConcurrencyThread safetyCore DataSQLiteOpen-source contributionCross-platform SDKs