New

Application Developer (IOS / MacOS)

Mathys-Potestio, LLC
dental insurance, 401(k)
United States, California, Cupertino
Aug 21, 2025
Application Developer (iOS / MacOS) Engineering Team *This is a 12-month, full-time (40 hours/week), remote contract role located in either Culver City, CA; Cupertino, CA; or New York, NY.* Summary We are seeking an experienced Application Developer to design, build, and maintain innovative applications across multiple platforms. You will join a collaborative team of engineers and designers, working closely with cross-functional partners to create robust, scalable, and high-performance applications that deliver exceptional user experiences. Our Ideal Candidate 5+ years of experience in software development across the full lifecycle (architecture, design, implementation, QA, CI/CD, optimization, and support) Passion for application development with a strong foundation in Objective-C and Cocoa frameworks Proficient in iOS, macOS, tvOS, and visionOS platforms, with strong debugging and performance optimization skills Familiar with testing frameworks such as XCTest, Xcode automation, and profiling tools such as Instruments Skilled in collaborating with designers, engineers, and cross-functional teams Able to work independently and manage multiple deliverables simultaneously Flexible and adaptable to changing priorities, timelines, and stakeholders Strong written and verbal communication with exceptional attention to detail Job Description In this role, you will design, develop, and implement high-quality applications, tools, and components across multiple platforms. You'll partner with engineers, designers, and other stakeholders to translate business requirements into technical solutions that showcase content and enhance development workflows. This includes thorough testing, debugging, performance tuning, and providing ongoing maintenance and support. You will also contribute to knowledge sharing across the team and help ensure the overall success of the engineering function. Education and Experience Bachelor's degree in Computer Science, Electrical Engineering, or equivalent practical experience Background in object-oriented programming, MVC architecture, and Apple client OS frameworks Preferred: Experience with Swift, Metal Shader Language, graphics rendering pipelines, and performance optimization tools Additional Requirements Please include your resume when applying. This opportunity is located in Culver City, Cupertino, or New York City and requires hybrid work. The pay for this W-2 position ranges from: $120/hr - Culver City, CA $123/hr - Cupertino, CA $125/hr - New York, NY This position may be eligible for PTO, health and dental insurance, and/or 401(k) benefits upon meeting certain length of service and hours requirements. Mathys+Potestio values applicants of all backgrounds and experiences. We do not discriminate based on race, color, national or ethnic origin, ancestry, age, religion or religious creed, disability or handicap, sex or gender, gender identity and/or expression, sexual orientation, military or veteran status, genetic information, or any other characteristic protected under applicable federal, state, or local law. #LI-AS1