Summary
Sarah Tully is a seasoned software development lead with 9+ years delivering scalable, high-performance enterprise applications across web and Apple platforms. Currently Senior Software Development Lead at Orthogonal, she guides cross-functional teams from conception through CI/CD, blending technical depth with product-minded leadership. Her background spans Angular/TypeScript, RxJS, and modern front-end architectures, plus native iOS, macOS, watchOS, and visionOS development for immersive, accessible experiences. She has hands-on experience modernizing legacy systems, prototyping with emerging tech, and shipping maintainable code on time and under budget. An early visionOS developer, she brings a rare combination of UI/UX sensibility and engineering rigor, turning complex requirements into durable architecture. Off the clock, she enjoys travel, outdoor adventures, aquariums, and exploring local coffee scenes.
9 years of coding experience
15 years of employment as a software developer
3.8, 3.8 at Eastern Illinois University