collaborating to ensure technical feasibility, iterating on feedback to achieve optimal results. Implementing and evolving comprehensive unit test coverage using tools such as Jest for reliable, high-quality releases. Optimizing web applications for maximum speed and scalability, proactively identifying and addressing performance bottlenecks. Participating in code reviews, mentoring junior engineers … established design patterns. Demonstrated experience optimizing applications for speed, scalability, and cross-browser compatibility. Solid understanding of automated testing tools and frameworks such as Jest, with a commitment to maintaining high test coverage. Experience drafting, communicating, and refining UI/UX designs in partnership with designers and product teams. ...