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Abdul Rahim

Senior Software Engineer specializing in NestJS & PostgreSQL, building secure enterprise applications.

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DIGITAL SIGNATURE

SharDocuSign Platform

In-house e-signature flows for HR and legal PDFs with field placement, flattened signatures, and on-premise document storage.

2024
Digital Signature
Senior Software Developer — Shar Company

Representative interface preview

01

The Challenge

Recurring third-party subscription for standard forms

Sensitive PDFs leaving controlled infrastructure

Limited tailoring for internal routing steps

Templates scattered across vendor accounts

Integration gaps with internal HR document flows

Hosting
On-premise
PDF Engine
PDF-Lib
UI
Next.js
Records
PostgreSQL
SharDocuSign Platform - Feature 1
02

The Approach

1

Reviewed ESIGN/UETA expectations with legal stakeholders

2

Prototyped field placement and signature flattening

3

Built sequential signing with email reminders

4

Added templates for common HR forms

5

Connected onboarding document triggers where HRIS allowed

SharDocuSign Platform - Feature 2
03

The Solution

Drag-and-drop signature fields on PDFs

Draw, type, or upload signature images

Flattened output to prevent post-sign edits

Multi-signer order with reminders

Template library for repeat documents

Audit history per envelope

Technical Implementation

Next.js
Canvas API
PDF-Lib
PostgreSQL
Crypto.js hashing
SendGrid
SharDocuSign Platform - Feature 3
04

Implementation

Security review of storage and flattening

Template set for frequent organizational forms

Migration of recurring flows off external SaaS

HR and legal enablement sessions

SharDocuSign Platform - Feature 4
05

The Results

Data Location
Internal
Workflows
Sequential sign
Templates
Shared library
Audit
PostgreSQL
GALLERY

Project Showcase

A visual journey through the development process

Technologies Used

Built with modern, scalable technologies

Next.js
Canvas API
PDF-Lib
PostgreSQL
Crypto.js
SendGrid

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