3mo ago

Senior Frontend Developer (Adapty)

Serbia·BelgradeRemotesenior

EngineeringFrontend Developer

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Quick Summary

Key Responsibilities

Design and ship end-to-end features in the dashboard, including paywall configuration, A/B experimentation, and analytics workflows. Build complex,

Requirements Summary

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.

Technical Tools

EngineeringFrontend Developer

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

~1 min read

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!