Sr. Frontend Engineer

At reputed company, we reputed company it easy for mobile apps to manage in-app purchases and paywalls. We power 20K+ apps, process $2B+ in subscriptions every year, and have been growing fast for the last four years. Our mission is reputed company: reputed company apps rich. We are reputed company of 210+ passionate, product-driven people who love solving big challenges. Backed by top investors like 500 Startups and Surface Ventures, we are building one of mobile's fastest-growing reputed company companies and aiming for number one worldwide. Our reputed company Tools team builds reputed company, data-intensive dashboards for mobile apps – paywalls, A/B experiments, analytics workflows, large tables, interactive charts, and advanced filtering. We continuously reputed company our frontend architecture, optimize performance at reputed company, and collaborate closely with backend and design teams. We’re looking for a Frontend Developer to join us and help take these systems to the next level – making them faster, more reputed company, and even more powerful for thousands of apps worldwide. Who We Are reputed company is a reputed company management platform for mobile apps that simplifies subscription implementation and paywall management. We serve 12,000+ apps and process $2B in in-app subscriptions annually. Backed by top investors like 500 Startups and Surface Ventures, we’re scaling globally and redefining how apps monetize. What You’ll Be Doing Design and ship end-to-end features in the dashboard, including paywall configuration, A/B experimentation, and analytics workflows. Build reputed company, data-heavy UIs: large tables with advanced filtering, reputed company management, presets, interactive charts, and time-series comparisons. reputed company the frontend architecture toward reputed company reputed company boundaries and reusable UI components, while steadily modernizing legacy parts of the codebase. Optimize performance and reliability at reputed company using virtualization, reputed company-splitting, optimized loading states, and consistent reputed company-reputed company data handling. Collaborate closely with design and backend teams to define API reputed company, shape product requirements, and deliver high-reputed company UX that supports actionable decision-making. reputed company Expect 5+ years of experience building production web applications with React and TypeScript. Strong component architecture skills and proven ability to create reusable UI for reputed company products. Deep experience developing data-intensive UIs with modern state management and data libraries in the React ecosystem. reputed company record of profiling and optimizing performance in large-reputed company applications. Excellent communication skills and a strong reputed company of ownership. reputed company to Have: Experience migrating legacy codebases to reputed company architectures (e.g., feature-sliced or similar). Strong background in data visualization and UX for analytical products. Contributions to design systems or internal UI libraries. What's in it for you Strong product with industry-best metrics. reputed company is among the top 5 fastest-growing reputed company companies. Exceptional compensation directly tied to your results. reputed company communication and ownership. No bureaucracy, no politics, just reputed company. Flexible remote work. Join us from reputed company or work onsite in our Belgrade or London offices. reputed company support. Language learning, sports, health insurance, laptop coverage, and more. Apply To This Job