Join the future of mobile in-app subscriptions. Help thousands of app developers across the world better monetize their apps and build successful app business. We are looking for a Senior Frontend Developer at Adapty. At Adapty, we make 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 simple: help every app unlock its full revenue potential. We are a team of 230+ 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 SaaS companies and aiming for number one worldwide.
Our Growth Tools team builds complex, data-intensive dashboards for mobile apps – paywalls, A/B experiments, analytics workflows, large tables, interactive charts, and advanced filtering. We continuously evolve our frontend architecture, optimize performance at scale, 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 modular, and even more powerful for thousands of apps worldwide.
About you:- 5+ years of experience building production web applications with React and TypeScript.
- Strong component architecture skills and proven ability to create reusable UI for complex products.
- Deep experience developing data-intensive UIs with modern state management and data libraries in the React ecosystem.
- Track record of profiling and optimizing performance in large-scale applications.
- Excellent communication skills and a strong sense of ownership.
Nice to have: - Experience migrating legacy codebases to modular 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 you'll do:- Design and ship end-to-end features in the dashboard, including paywall configuration, A/B experimentation, and analytics workflows.
- Build complex, data-heavy UIs: large tables with advanced filtering, column management, presets, interactive charts, and time-series comparisons.
- Evolve the frontend architecture toward clear modular boundaries and reusable UI components, while steadily modernizing legacy parts of the codebase.
- Optimize performance and reliability at scale using virtualization, code-splitting, optimized loading states, and consistent client-side data handling.
- Collaborate closely with design and backend teams to define API contracts, shape product requirements, and deliver high-quality UX that supports actionable decision-making.
What we offer:- Strong product with industry-best metrics. Adapty is among the top 5 fastest-growing SaaS companies.
- Exceptional compensation directly tied to your results.
- Direct communication and ownership. No bureaucracy, no politics, just impact.
- Flexible remote work. Join us from anywhere or work onsite in our Belgrade or London offices.
- Professional support: language learning, sports, health insurance, laptop coverage, and more.
Join us!
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