IOS engineer

Quantum Technologies LLC; Chicago (IL); On-site; USD 130,000 - 180,000; Full time

Job summary

Quantum Technologies LLC is seeking a Senior iOS Engineer in Chicago to drive iOS feature delivery and architecture. You will work with product, design, and backend teams to build fast, reliable, and accessible iOS experiences.

You will mentor juniors, influence best practices, and help shape tooling and testing frameworks while ensuring scalable and maintainable codebases.

Qualifications

• 6+ years of professional iOS development experience.
• Production experience with SwiftUI is required.
• Hands-on experience with GraphQL and REST APIs.
• Strong understanding of modern iOS architecture (Combine, async/await, MVVM).
• Ability to deliver complex features independently and mentor others.
• Excellent communication and collaboration skills.

Responsibilities

• Deliver high-impact iOS features across design, development, testing, and deployment.
• Build modern UIs using SwiftUI and evolve UI architecture.
• Implement and maintain GraphQL and REST network integrations.
• Participate in architectural discussions and improve system structure.
• Mentor junior developers and contribute to engineering standards.
• Collaborate with product and design teams to refine scope and plans.
• Contribute to tooling, testing frameworks, and development efficiency.

Skills

SwiftUI

GraphQL

REST APIs

MVVM

Async/Await

Mentorship

Tools

GraphQL

REST

Combine

Xcode

Job description

We have a heads up total of 10 HC for a manager in Chicago.

All level VI in ChicagoManager is in Chicago submit only local candidates onsite role

Senior iOS Engineer

Job Summary:

The Senior iOS Engineer contributes to the technical direction of our iOS applications by delivering
high-quality features, improving architecture,
and shaping development patterns across the product. You will collaborate closely with product,
design, and backend teams to build fast, reliable,
and accessible iOS experiences. In this role, you help influence tooling, frameworks, and engineering
best practices while contributing to the scalability
and maintainability of the iOS codebase.

• Deliver high-impact iOS features across design, development, testing, and deployment.
• Build modern UIs using SwiftUI and contribute to evolving UI architecture.
• Implement and maintain GraphQL and REST network integrations.
• Participate in architectural discussions and improve system structure and performance.
• Support engineering standards through code reviews and mentorship of junior developers.
• Collaborate with cross-functional partners to refine scope, requirements, and technical plans.
• Contribute to enhancing tooling, testing frameworks, and development efficiency.

Expected Qualifications:

• 6+ years of professional iOS development experience.
• REQUIRED: Production experience with SwiftUI.
• REQUIRED: Hands-on experience with GraphQL & REST.
• Strong understanding of modern iOS architecture (Combine, async/await, MVVM, etc.).
• Ability to independently deliver complex features with high quality.
• Strong communication skills and willingness to mentor and influence best practices.

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.