Full-stack Engineer, React/Next.js + Python (bilingual EN/HE client portal)

Що робити

Front-end architecture: Next.js (App Router), TypeScript, a component library (Radix/shadcn or similar), i18n with RTL, state management, API client generated from the OpenAPI spec.
Schema-driven form engine: render questionnaires from JSON schema with conditional visibility, repeating groups (properties, partners, K-1s), validation messages in both languages, evidence attachments, autosave and resume.
Auth: passwordless magic link and OTP for clients, MFA for staff, step-up verification before sensitive screens; session handling that never stores identifiers client-side.
Documents: pre-signed upload with progress and type/size checks, previews, extraction confirmation UI (side-by-side document and proposed values, correct and confirm).
Payments and signatures: Stripe Checkout or Elements, e-signature vendor handoff and status, wet-signature upload path.

4+ years React in production, 2+ years Next.js and TypeScript.
Shipped at least one forms-heavy product (onboarding, KYC, insurance, lending, tax, healthcare intake) and at least one bilingual or RTL product (Hebrew or Arabic).
Auth and payment flows implemented end to end.
Comfortable reading and writing Python for API endpoints and tests.
Clear written English; four hours of daily overlap with UTC+2; availability December 2026 through June 2027, 30-40 hours per week.

ENGAGEMENT TERMS
Independent contractor (B2B) via Deel, Payoneer or Upwork; NDA, IP assignment and the firm's confidentiality agreement signed before repository access.
Phase 1: December 1, 2026 to April 30, 2027, 30-40 h/week; USD 3,000-5,000 per month (or USD 25-40/h).
Phase 2: May 2027 onward, retained maintenance 5-15 h/week, priced separately.
Access: development and staging only; synthetic data; no production access.