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Senior Frontend Engineer
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Jack Luxor
Frontend Engineering Focused on Speed and Reliability
Jack brings technical depth and a focus on performance to Cognita's frontend. With a Computer Science background and 5 years building production web applications, he works on the interfaces people use to search, chat with assistants, and manage integrations — making sure they stay fast even as the product grows.
At the core of Jack's approach is the belief that speed is a feature. An AI answer that takes ten seconds to render feels broken, even if the AI itself is fast. He writes clean, maintainable code and pays close attention to load times, responsiveness, and edge cases that break under real-world use.
Jack's philosophy is straightforward: code should be reliable before it's clever. He advocates for solid engineering fundamentals — testing, performance budgets, accessibility — so the product holds up as more people and more data flow through it.
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Jack combines technical rigor with attention to the details users actually feel — load times, responsiveness, small interactions. At Cognita, he helps make sure the product stays fast and dependable as it scales.



