Staff iOS Engineer

What You’ll Do

Feature Development & Architecture

• Own end-to-end delivery of major iOS features, taking Quidient’s 5D product and SDK from prototype to production with a focus on reliability and performance.
• Architect and design new capabilities within existing iOS codebases, establishing patterns that scale as our product line grows.
• Drive technical decisions on how Quidient builds SDKs and apps from internal frameworks, developing long term sustainable solutions that mature over time.
• Build and optimize 5D mobile applications leveraging ARKit, RealityKit, Metal, and GPU acceleration for high-performance, low-latency experiences.
• Collaborate cross functionally with SDET, Algorithm, and Infrastructure teams to harden features for production and integrate CI/CD pipelines.
• Design and implement RESTful APIs and integrate with server side technologies to support mobile backend communication.
• Assemble complex solutions from loosely defined requirements, navigating ambiguity.
• Mentor and influence technical direction across the iOS team as the product scales.

What You Bring

Must-Have Qualifications

• Bachelor’s degree or higher in Computer Science or related engineering field.
• 7+ years of industry experience in iOS development; freelance acceptable but must include experience with large, complex codebases (not simple sandbox or siloed apps).
• 3+ years of experience building 3D applications or working with spatial computing technologies.
• Deep expertise in iPhone app development using Swift, with recent hands-on iOS.
• Heavy iOS framework experience including ARKit, AVFoundation, Core Location, Core Motion, VisionKit, RealityKit, ImageIO, and CoreML.
• Experience developing web based applications using modern front end technologies and server-side technologies.
• Strong experience in RESTful API design and development.
• Experience in coding languages such as C++ and Python.
• Demonstrated ability to assemble complex solutions from loosely defined requirements without clear PRDs or design documentation.
• Ownership mindset with ability to drive initiatives on a small team with minimal oversight.
• Live within easy commuting distance of our Technology Center in Columbia, Maryland.

Nice-to-Have Qualifications

• Experience deploying high-performance, low-latency applications.
• Experience creating computer vision or image processing applications.
• Metal and GPU programming experience.
• Knowledge of Android app development (Kotlin) or cross-platform frameworks (Flutter).
• Knowledge of cloud products and platforms, microservice architectures, automation, and API integration.

What We Offer

Compensation

• Salary Range: $165,000 - $200,000.
• Annual bonus and equity as appropriate.

Benefits

• Health insurance
• HSA Account
• 401(k) with company match
• Life & disability insurance
• Paid holidays & generous PTO
• Opportunities for bonuses, equity, and career growth