CurioTeach Careers
Enterprise Hiring, Digital Contract Signing & Intern Lifecycle Platform
A custom HR and internship lifecycle platform for Curio (Vyma Learning Systems Pvt Ltd) built with React, Node.js, Express, and Tailwind CSS, featuring cryptographic digital signatures, Brevo SMTP transactional emails, offer letter generation, BoD scheduling, task tracking, and 50+ onboarded interns.

"End-to-end intern onboarding, cryptographic NDA signing, and BoD management for Curio."
"How can we automate multi-cohort hiring, legally seal NDAs with digital signatures, and provide executive BoD governance on a single unified platform?"
End-to-end intern lifecycle management with cryptographic proof, automated compliance, and seamless executive governance.
Full Production Interface Overview

The Problem & Business Context
Managing intern hiring, manual offer letters, physical NDA signing, attendance logging, and completion certificate generation across multiple cohorts caused administrative bottlenecks and compliance risks.
The Engineered Solution
Single-handedly designed, built, and deployed an end-to-end hiring portal using React, Node.js, Express, and Tailwind CSS. Features cryptographic digital signatures for NDAs/offer letters, Brevo SMTP email notifications, separate Intern & BoD executive portals, automated meeting broadcasts, and task tracking.
Experience Architecture & Customer Flow
Application
Candidate applies and moves through structured evaluation.
Signing
Recipient signs NDA digitally with SHA-256 cryptographic hash seal.
Onboarding
Instant access to Intern portal with task board, resources, and BoD calendar.
Completion
Automated generation and verification of official internship certificates.
Design System & Editorial Material Harmony
Core Color Tokens
Typography Strategy
Why Specific Decisions Were Made
React, Node.js & Express Monolithic Separation
Engineered a clean separation of concerns with a fast React/Tailwind client and robust Node.js/Express API handling auth, crypto hashing, and database transactions.
Brevo SMTP Transactional Email Automation
Automated real-time delivery of digitally signed offer letters, NDA execution confirmations, and BoD meeting invitations through Brevo's dedicated SMTP relay.
Cryptographic SHA-256 Document Verification
Ensured legal integrity and zero tampering for digital NDA agreements and offer letters.
Dual-Portal Role Separation
Engineered separate UI workspaces for interns (tasks, resources, attendance) and BoD members (governance, approvals, scheduling).
System Architecture & Implementation
Full-stack architecture built with React and Tailwind CSS frontend, Node.js and Express backend REST API, secure authentication, SHA-256 cryptographic document hashing and digital signatures, Brevo SMTP transactional email engine for automated offer letters and meeting notifications, server-side PDF generation, and Hostinger VPS deployment with Nginx.
Verified Production Benchmarks
Key Capabilities & Deliverables
Technology Stack
I had the pleasure of working with Jatin as a Full Stack Developer, and I highly recommend him for his technical skills, dedication, and problem-solving abilities.
During his time with our team, Jatin consistently delivered quality work across both frontend and backend development. He was proactive in understanding project requirements, implementing scalable solutions, and ensuring smooth functionality throughout the development process.
What stood out the most was his ability to learn quickly, adapt to challenges, and maintain a positive and collaborative attitude while working with the team. His contributions played an important role in improving our platform and development workflow.
I truly appreciate his efforts and wish him continued success in his future opportunities.
Jesa Kodiyatar
Founder, CURIO.AI
Managing Director, Vyoma Learning Systems Pvt. Ltd.