Frontend Engineer

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: make apps rich.

We are a team 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 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.

Who We Are

Adapty is a revenue 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 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 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 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's in it for you

• 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.