Senior iOS Developer

ANTICIPATED DURATION

12+ Month Contract

• Work in a team-oriented, agile environment
• Evaluate the length of effort to implement requirements
• Provide alternative solutions to lower implementation or maintenance costs when appropriate
• Identify performance bottlenecks or resource contention issues and define solutions
• Correct defects in the existing product
• Implement new features or improvements to existing or upcoming products
• Create efficient, performant algorithms
• Mentor and coach others in algorithm development
• Collaborate with Quality Assurance and Testing to deliver well-tested applications
• Proactively raise issues early in the development process

• BS in Computer Science or Computer Engineering
• 7 or more years of general programming experience
• At least 3 years of experience specific to iOS
• Expert in using Apple's XCode
• Expert in using Swift and SwiftUI
• Experience in using Objective-C, C++, or C is a plus
• Expert in using standard debugging techniques such as logging, LLDB, and Instruments
• Significant experience with Apple frameworks including Foundation, Web Kit, Combine, and Core Location
• Understanding of Multi-threading (GCD, Operation Queue, etc), Codable, and Store Kit is a plus
• Understanding of common design patterns such as MVVM, VIPER, MVP
• Experience with REST APIs from an iOS app
• Experience with package management tools like Cocoa Pods, Package Manager, or Carthage
• Experience in unit testing with XCTest
• Strong understanding of iOS memory architectures, including MRR and ARC

• Experience in using AI tools such as Copilot, Claude, Cursor, etc.
• Experience with Watch
  
  OS, TVOS, and Widget Kit
• Knowledge of mobile development challenges such as battery, radio usage, CPU, GPU, and memory constraints

The hourly pay rate range for this position is $65.00 to $85.00 (dependent on factors including but not limited to client requirements, experience, statutory considerations, and location). Benefits available to full-time employees: medical, dental, vision, disability, life insurance, 401k and commuter benefits.

Synergis is proud to be an Equal Opportunity Employer. We value diversity and do not discriminate on the basis of race, color, ethnicity, national origin, religion, age, gender, gender identity, political affiliation, sexual orientation, marital status, disability, military/veteran status, or any other status protected by applicable law.

Qualified applicants with arrest or conviction records will be considered for employment in accordance with the requirements of applicable state and local laws, including but not limited to, the San Francisco Fair Chance Ordinance, the City of Los Angeles’ Fair Chance Initiative for Hiring Ordinance, the Los Angeles County Fair Chance Ordinance for Employers, and the California Fair Chance Act.

For immediate consideration, please forward your resume to

If you require assistance or an accommodation in the application or employment process, please contact us at

Synergis is a workforce solutions partner serving thousands of businesses and job seekers nationwide. Our digital world has accelerated the need for businesses to build IT ecosystems that enable growth and innovation along with enhancing the Total Experience (TX). Synergis partners with our clients at the intersection of talent and transformation to scale their balanced teams of tech, digital and creative professionals.

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