About Tickup Tickup is an exciting new take on how retail investors can approach the stock market. Whether you are a novice investor or a seasoned trader, we look to help solve the problem of how to find your first or next investment. We are looking for people that are curious or have a passion for stocks and are excited to help build a company from early stages. Role Overview As a Senior Frontend Developer, you will play a pivotal role in shaping the user experience of our mobile app. You will collaborate closely with the product, design, and back-end team members to deliver a seamless, performant, and beautiful user interface. This role is perfect for someone who thrives in a fast-paced startup environment, takes ownership, and loves turning complex challenges into elegant solutions. Your package will include a competitive salary plus equity in the company. Key Responsibilities Lead Development: Take ownership of the mobile front-end architecture, development, and deployment. React Native Expertise: Build and optimize cross-platform mobile applications (iOS and Android) using React Native. Collaborate with Teams: Work with product managers, UX/UI designers, and back-end developers to create a cohesive user experience. Performance Optimization: Ensure high performance and responsiveness of the app, identifying and fixing bottlenecks. Code Reviews & Mentorship: Conduct code reviews, uphold best practices, and mentor junior developers. Stay Current: Stay up-to-date with the latest in mobile development, React Native, and front-end technologies. Testing & Debugging: Implement automated testing to ensure high-quality code and reduce bugs in production. Qualifications 3 years of front-end development experience, with at least 1 year in React Native. Strong knowledge of JavaScript/TypeScript and modern front-end development practices, including charting libraries such as D3. Proven track record of building and launching mobile applications. Understanding of RESTful APIs, SQL and NoSQL databases, and integration with back-end services. Passion for creating beautiful, intuitive UIs and improving user experience. Familiarity with CI/CD pipelines, App Store/Google Play submission processes, and performance monitoring tools. Startup experience is a plus; must thrive in a dynamic, fast-paced environment.