# Staff iOS Engineer

**Company:** [Quidient](https://hotfix.jobs/companies/quidient)
**Location:** Columbia, MD
**Role:** iOS Engineering
**Salary:** $165K-$200K
**Experience:** 7+ years
**Skills:** Swift, Arkit, Realitykit, Metal, Coreml, Avfoundation, Core Location, Core Motion, Visionkit, REST APIs
**Posted:** 2026-02-17

> Staff iOS Engineer owns end-to-end delivery of major features for 5D spatial computing apps and SDKs, building high-performance AR experiences with ARKit, RealityKit, and Metal. Requires 7+ years iOS expertise with Swift, 3+ years in 3D/spatial tech, and bachelor's in CS.

## Job Description

## 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

## Similar roles

- [Staff iOS Engineer](https://hotfix.jobs/jobs/staff-ios-engineer-at-opensea-a3070094-eb87-4ef9-9352-de12e8e6a024) - OpenSea - Remote - $180K-$270K
- [iOS Engineer (Senior to Staff Level)](https://hotfix.jobs/jobs/ios-engineer-senior-to-staff-level-at-cantina-2d65dfe7-6a48-45ad-96c5-17cf832f4fe9) - Cantina - San Francisco, CA - $180K-$230K
- [Staff Software Engineer, iOS](https://hotfix.jobs/jobs/staff-software-engineer-ios-at-ramp-6db1e775-d246-4970-b95e-90acdc864fe7) - Ramp - New York, NY - $189K-$330K
- [Staff iOS Engineer](https://hotfix.jobs/jobs/staff-ios-engineer-at-creditgenie-b257299b-5651-42c1-89ea-a10bcb563f6f) - Creditgenie - New York, NY - $190K-$250K
- [Senior / Staff Software Engineer, iOS](https://hotfix.jobs/jobs/senior-staff-software-engineer-ios-at-suno-b89ee7f6-0000-4541-a4ce-be46913f21ca) - Suno - New York, NY - $200K-$300K

**Apply:** https://hotfix.jobs/jobs/staff-ios-engineer-at-quidient-7a2870db-b0cd-4785-839c-46badf855b21
**Canonical:** https://hotfix.jobs/jobs/staff-ios-engineer-at-quidient-7a2870db-b0cd-4785-839c-46badf855b21