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Digital signature service provider

Privy - Digital Signature

Contributed to the core Document product, covering document upload, recipient management, annotation, signing, and sharing workflows.

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Privy app dashboard showing the Upload option menu
Role
Mobile Engineer iOS
Period
August 2022 - July 2026
Product
PrivySign
Company
PT Privy Identitas Digital

Case study

This account separates my iOS responsibilities from work delivered with the wider product team.

01 · Product context

Document workflows across the signing journey

PrivySign's core Document product covered document upload, recipient management, annotation, signing, sharing, and verification.

02 · My iOS scope

Verification, signatures, contacts, and PDF processing

  • Implemented the document verification workflow on iOS.
  • Developed the Contact and Manage Signature modules.
  • Researched and implemented PDF viewer processing for multi-page PDFs containing many annotations.

03 · Engineering constraint

Multi-page PDFs containing many annotations

One implementation focus was PDF viewer processing for documents with many pages and annotations. The work was delivered in a modular MVVM codebase using Swift, UIKit, and Combine.

04 · Team delivery

API alignment and cross-platform coordination

I reviewed technical decisions with the team, aligned new and updated API contracts with backend engineers, and coordinated delivery across Android, backend, QA, design, and product.

Tech stack

  • Swift
  • UIKit
  • Combine
  • MVVM
  • Modular Architecture