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Senior iOS Developer

ZealTech
San Leandro, CA Contractor
POSTED ON 12/9/2025 CLOSED ON 12/18/2025

What are the responsibilities and job description for the Senior iOS Developer position at ZealTech?

Role: Senior iOS Developer (with Frontend SDK Expertise)

Summary:

We are seeking a skilled iOS Developer with strong experience in building and integrating Frontend SDKs to join our dynamic team. You will be responsible for designing, developing, and maintaining high-quality iOS applications and SDKs that deliver seamless user experiences. This role requires a blend of mobile app development skills and SDK integration expertise, with a focus on performance, scalability, and clean code practices.

🔹 Key Responsibilities:

Design, develop, and maintain iOS applications using Swift (and Objective-C when required).

Build, optimize, and maintain Frontend SDKs for integration into partner or client applications.

Collaborate with product managers, designers, and backend engineers to deliver high-quality features.

Ensure applications meet Apple’s design and interface guidelines.

Write clean, maintainable, and well-documented code.

Implement unit tests and participate in code reviews to maintain code quality.

Monitor app performance, troubleshoot issues, and optimize for speed and responsiveness.

Stay updated with the latest iOS frameworks, SDKs, and development best practices.

🔹 Required Skills & Qualifications:

Bachelor’s degree in Computer Science, Software Engineering, or related field (or equivalent experience).

5 years of professional iOS development experience.

Strong proficiency in Swift and familiarity with Objective-C.

Proven experience in Frontend SDK development and integration.

Solid understanding of UIKit, SwiftUI, and Core Data.

Experience with RESTful APIs, JSON, and third-party libraries.

Familiarity with CI/CD pipelines and version control (Git).

Strong problem-solving skills and attention to detail.

🔹 Nice-to-Have Skills:

Experience with React Native or other cross-platform frameworks.

Knowledge of GraphQL and WebSockets.

Familiarity with App Store submission process and provisioning profiles.

Understanding of mobile security best practices.

đź’Ľ Employment Type: Contractor

📍 Location: [On-site: San Leandro]

Hourly Wage Estimation for Senior iOS Developer in San Leandro, CA
$64.00 to $77.00
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