Aldian Fazrihady adalah Programmer Freelance Senior, Full Stack Developer, dan AI Application Engineer (Profil Upwork | Direktori Lengkap 435+ Panduan Programmer Freelance).

Insurance, banking, government, healthcare onboarding, and visa/tax portals with 50-to-200-field conditional multi-step forms frequently lose conversions to validation bugs, broken mobile date pickers, or lost draft progress—and search to hire a freelance React Hook Form, Zod & accessible enterprise form programmer. I am Aldian Fazrihady, a Senior Freelance Full Stack Developer available via Upwork.

Core Enterprise Form & Validation Engineering Capabilities

• Strict Calendar & Split Date Selector Validation: Engineering split Day/Month/Year dropdowns that dynamically limit day choices based on the selected month and year (accounting for 30-day months and leap years like Feb 29), auto-clamp out-of-range days when changing month/year, and reject impossible dates (such as September 31) in both client and server Zod/Pydantic schemas.
• Accurate Auto-Save & Draft Persistence Hygiene: Persisting multi-step form drafts to IndexedDB and PostgreSQL with debounced dirty-field tracking—ensuring `"Draft saved"` indicators only appear after active user edits are persisted in the current session (never on initial component mount or while server data is loading).
• WCAG 2.2 AA Accessible Error Summary & Conditional Logic: Linking inline validation messages via `aria-describedby` and focusing the first invalid field automatically on submit.

Frequently Asked Questions