Senior Frontend Engineer (React)

TL;DR

Senior Frontend Engineer (React): Building and optimizing frontend quality and user experience for a CSR platform with an accent on a white-label theming system, accessibility, and performance. Focus on setting frontend architecture patterns and delivering features across employee-facing experiences.

Location: Wroclaw, Poland

Company

hirify.global is a purpose-driven software company creating innovative SaaS solutions for the social impact sector, empowering nonprofits, donors, and communities.

What you will do

• Develop a white-label theming system for multi-tenant deployment, including per-brand customization, CSS variables, design tokens, and style isolation.
• Implement WCAG 2.1 AA accessibility remediation across the platform, focusing on screen reader compatibility, keyboard navigation, and audit resolution.
• Establish frontend architecture patterns, component structures, state management, and API consumption guidelines for full-stack engineers.
• Ensure a mobile-responsive experience with cross-platform considerations, utilizing a Capacitor-based mobile wrapper.
• Optimize application performance through bundle splitting, lazy loading, and render profiling.
• Deliver new features across employee-facing experiences, including giving flows, volunteering, gamification, social features, and admin dashboards.

Requirements

• Expert use of AI-assisted development tools (Copilot, Claude, Cursor, or equivalent).
• Advanced proficiency in React, including component architecture, performance optimization, and state management.
• Strong expertise in TypeScript for strict typing and shared type definitions with the backend.
• Proven experience with CSS architecture for multi-tenant theming, including CSS variables, design tokens, and brand isolation.
• Hands-on experience with WCAG 2.1 AA accessibility implementation and remediation.
• Solid understanding of responsive design and mobile-first patterns.
• Proficiency in REST API consumption and frontend data management.
• Experience with performance optimization techniques like bundle splitting, lazy loading, and render optimization.
• Skilled in cross-browser and cross-device testing.

Nice to have

• Familiarity with Capacitor or similar cross-platform mobile frameworks.
• Experience with Firebase push notifications.
• Knowledge of i18n/l10n implementation.
• Background in design system development.
• Understanding of gamification/social feature UX patterns.

Culture & Benefits

• Paid Vacation.
• Sick Days.
• Sport/Insurance Compensation.
• English Classes.
• Charity opportunities.
• Training Compensation.