Sr Principal Software Engineer - MAC

Experience using AI tools to improve engineering productivity, code quality, and development workflows is a strong plus.

What You Will Do::

· Architect, design, and develop modern Mac UI features for customer-facing desktop applications

· Lead implementation of complex UI workflows using Swift, Objective-C, and C/C++

· Drive technical direction for Mac UI architecture, maintainability, scalability, and performance

· Partner with product managers, designers, backend engineers, and QA to translate product requirements into elegant user experiences

· Own critical technical decisions across the UI layer, including frameworks, patterns, integrations, and code quality standards

· Review code, provide technical guidance, and raise the engineering bar through strong design and implementation practices

· Mentor engineers through technical leadership, design reviews, and day-to-day collaboration while remaining hands-on in development

· Troubleshoot complex production issues across UI, system integration, memory, performance, and stability areas

· Advocate for usability, accessibility, responsiveness, and consistency across the Mac user experience

· Contribute to continuous improvement in engineering workflows, release quality, and developer productivity

· Evaluate and apply AI-assisted development tools where they can improve speed, quality, or team effectiveness

Required Qualifications::

· 10+ years of experience with Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience

· Extensive software engineering experience with significant hands-on development in Mac application engineering

· Strong proficiency in Swift, Objective-C, and C/C++

· Deep experience building native Mac UI applications and shipping customer-facing desktop products

· Strong understanding of macOS application architecture, UI frameworks, event-driven programming, and system-level behavior

· Proven experience designing scalable, maintainable, and performant software systems

· Strong debugging and problem-solving skills across UI, application, and platform layers

· Demonstrated ability to influence technical direction across teams without direct people management responsibility

· Experience working in cross-functional product development environments

· Strong communication skills with the ability to explain technical tradeoffs clearly to engineering and non-engineering stakeholders

Preferred Qualifications::

· Experience modernizing legacy Mac codebases and evolving mixed-language applications

· Experience integrating UI layers with platform services, local system components, or shared libraries

· Familiarity with automated testing, CI/CD pipelines, and release engineering for desktop applications

· Strong understanding of software quality, security, performance optimization, and observability

· Experience partnering closely with UX and product teams to refine customer journeys and interaction design

· Experience using AI tools for coding assistance, test generation, code review acceleration, documentation, or developer workflow improvement

· Exposure to AI-powered product features, assistant workflows, or developer tooling is a plus

Leadership Expectations::

· Operate as a senior technical leader and trusted expert for Mac UI engineering

· Balance hands-on execution with architectural ownership and long-term technical stewardship

· Influence engineering practices, design quality, and delivery outcomes across multiple teams

· Bring a strong product mindset and make decisions that improve customer experience as well as engineering health

· Raise the standard for code quality, design reviews, technical decision-making, and cross-team collaboration

Success in This Role::

· Deliver high-impact Mac UI features that improve customer experience and product quality

· Strengthen the architecture and long-term maintainability of the Mac UI codebase

· Help teams move faster through sound technical decisions, reusable patterns, and strong engineering practices

· Serve as a go-to technical leader for complex UI and platform integration challenges

· Champion thoughtful adoption of modern development practices, including effective use of AI-assisted engineering tools.