New

macOS Applications Engineer

Mathys-Potestio, LLC
dental insurance, 401(k)
United States, California, Cupertino
Sep 25, 2025
macOS Applications Engineer Production Design Team This is a 12-month, full-time (40 hours/week), hybrid contract role located in Cupertino, CA. Summary We're seeking a creative and resourceful macOS developer to support a large internal tools project. This role focuses on extending and modernizing internal applications that streamline content creation workflows for design and production teams. You'll play a key role in building new features, fixing bugs, and ensuring seamless integration across legacy and modern codebases. Our Ideal Candidate 3-5 years of experience in macOS development Passion for engineering with a strong foundation in Objective-C, Swift, and SwiftUI Proficient in macOS development tools, with strong debugging and testing skills Familiar with Swift/Objective-C interoperability, AppKit, and modern development best practices Skilled in collaborating with creative and production teams to understand workflows and technical needs Able to work independently and manage multiple priorities in a fast-paced environment Flexible and adaptable to changing timelines and stakeholder feedback Strong written and verbal communication with exceptional attention to detail Highly organized, detail-oriented, and thoughtful in QA and issue-tracking processes Job Description In this role, you will implement new features, test existing code, and fix bugs within a large, complex macOS tools project. You'll partner with creative design and production teams to deliver high-quality internal tools that improve content creation workflows. This includes extending existing macOS applications, integrating modern Swift code with a large Objective-C codebase, and ensuring clean, maintainable, and stable implementations. You will also support ongoing QA, perform quick-turnaround bug fixes, and contribute to the overall success of the engineering and production teams. Education and Experience Bachelor's degree in Computer Science, Engineering, or equivalent practical experience Background in macOS software development with Swift and Objective-C Experience with large-scale, complex projects involving legacy codebases Preferred: Experience working directly with creative or production teams Additional Requirements This opportunity is located in Cupertino, CA and requires hybrid on-site work The pay for this W-2 position ranges from $62.55 per hour 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.