Sr. Frontend Engineer (React)

TL;DR

Sr. Frontend Engineer (React/TypeScript): Building complex, data-intensive dashboards for a mobile revenue management platform with an accent on paywall configuration, A/B experiments, and analytics workflows. Focus on optimizing performance at scale, evolving modular frontend architecture, and implementing high-performance data visualization components.

Location: Remote (Global) or onsite in Belgrade or London

Company

hirify.global is a revenue management platform for mobile apps that simplifies subscription implementation and paywall management for over 12,000 apps.

What you will do

• Design and ship end-to-end dashboard features including paywall configuration, A/B experimentation, and analytics workflows.
• Build complex, data-heavy UIs featuring large tables with advanced filtering, interactive charts, and time-series comparisons.
• Evolve the frontend architecture toward clear modular boundaries and reusable UI components.
• Optimize performance and reliability at scale using virtualization, code-splitting, and optimized loading states.
• Collaborate with design and backend teams to define API contracts and deliver high-quality UX.

Requirements

• 5+ years of experience building production web applications with React and TypeScript.
• Strong skills in component architecture and proven ability to create reusable UI for complex products.
• Deep experience developing data-intensive UIs with modern state management and data libraries.
• 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 design).
• Strong background in data visualization and UX for analytical products.
• Contributions to design systems or internal UI libraries.

Culture & Benefits

• Exceptional compensation tied directly to results in a top-growing SaaS environment.
• Culture of direct communication, ownership, and zero bureaucracy.
• Flexible work arrangement: join from anywhere or work from offices in Belgrade or London.
• Professional support including health insurance, laptop coverage, and language learning.
• Sports and wellness benefits.