As a Senior Front-End Developer, you will focus on user experience and interface design using technologies like JavaScript, TypeScript, React, Leaflet, Redux, HTML, and CSS. Your responsibilities include writing and automating tests, contributing to the entire software development lifecycle, staying updated with technologies, collaborating within an agile team, providing technical guidance, mentoring team members, and making strategic decisions. You will be expected to solve problems, analyze data, and communicate effectively both independently and as a team member.