Quidient

Staff iOS Engineer

Columbia, Maryland, United States · Staff+ · Contract

H1B sponsorship available$165k-$200kDetected 4 days ago

C++SwiftKotlinFlutteriOSAndroidCI/CDAPI DevelopmentRESTComputer VisionLLMsPRDs

About the role

We're seeking an iOS Engineer with deep expertise in mobile 3D applications and spatial computing.
This role demands mastery of iOS development, the ability to cut through ambiguity, and ownership of complex systems in a fast-moving environment.
This is a hybrid position, meaning that you will need to live within easy driving distance to our Technology Center in Columbia, Maryland.

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.
You will own end-to-end delivery of major iOS features, driving our product from development to production-ready solutions.

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.
Experience in coding languages such as C++ and Python.
Must-Have Qualifications:
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.
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.
This position is not eligible for H-1B sponsorship.

Experience deploying high-performance, low-latency 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.

Employer Statement
Quidient is an Equal Opportunity Employer.
Quidient will consider all qualified applicants without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other classification protected by applicable state, federal, or local laws.
Equal Opportunity Employer Statement

This listing is sourced directly from Quidient's careers page and normalized into a canonical job model.