Vacancy: React Developer

Company: Zontik Location: Russian Federation Work Format: remote Employment: full time Salary Range: up to 240k gross under Labor Code and up to 320k gross under Individual Entrepreneur agreement

Project: simple electronic signature service. The client receives a link to a page where they review documents and sign via SMS.

• 5+ years of experience (banking, fintech)
• Higher education
• React 18+ (hooks, context, Suspense, portals).
• TypeScript — confident design of complex type systems. Mandatory — creation of utility types for API responses
• Redux Toolkit (or MobX) — document state management (highlighted fields, filled data).
• React Query (TanStack Query) — caching and synchronization with the server.
• Working with forms: React Hook Form + Zod (SMS validation, phone number validation).
• Styling: CSS Modules or Tailwind.
• Testing: Jest + React Testing Library.
• Participation in code reviews (focus on security and performance).

Desirable:

• Experience with WebCrypto API (hash generation, client-side signing)
• Knowledge of PCI DSS
• Experience with error monitoring (Sentry) and analytics (signing success rate).

For all questions, please write to TG @DariaUIT