Full-Stack Engineering

Custom Web Application Development

Bespoke customer dashboards, client portals, SaaS MVPs, and internal management tools. Built with high-performance Node.js REST APIs, MongoDB databases, and secure milestone verification.

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Turn Complex Workflows Into Reliable Software

Off-the-shelf software tools often force your business into rigid workflows, expensive per-seat subscriptions, and proprietary ecosystems you don't control.

Pravyuk designs tailored full-stack web applications tailored strictly to your business operational model. From client-facing portals and quote approvals to automated billing and role-based permissions, our engineering gives you complete sovereignty over your data and code.

Architecture & Deliverables

Node.js & Express REST API

Modular route architecture, strict Zod request schema validation, and error-handling middleware.

MongoDB Database Design

Normalized Mongoose schemas, compound indexes, relational referencing, and automated timestamping.

Authentication & Permissions

Secure password hashing with bcrypt, JWT authorization tokens, and granular admin/client role guards.

Automated Test Coverage

Comprehensive unit and integration test suites validating endpoints, security, and edge failure cases.

Milestone-Driven Development

Milestone 1: Architecture, Schemas & API Foundation (Sprint 1)

Database models, authentication endpoints, route security, and integration test setup.

Milestone 2: Client Dashboards & Interactive Features (Sprint 2)

Frontend client views, data tables, inquiry intake, and client status tracking portals.

Milestone 3: Razorpay Webhook Billing & Verification (Sprint 3)

Cryptographic signature verification, order lifecycle, tax receipt generation, and admin controls.

Milestone 4: Cloud Staging Verification & Production Handover (Sprint 4)

Final end-to-end testing, cloud deployment (Render/AWS), SSL binding, and 100% repository transfer.

Web App FAQs

Our primary stack includes HTML5, modern vanilla JavaScript / ES6+, Bootstrap 5, Node.js, Express, MongoDB Atlas with Mongoose ODM, and official Razorpay SDKs.

We implement cryptographic password hashing (bcrypt), JSON Web Tokens (JWT), role-based middleware, timing-safe webhook verification, CORS whitelisting, and strict input validation using Zod.

Custom web apps are structured across 3 to 4 verifiable milestones (e.g. Database & API Core, User Portals & UI, Payment Integration, Testing & Handover). Payments are unlocked as each milestone is verified.

Yes. Every custom build includes automated integration test suites, API endpoint contracts, environment variable templates, and step-by-step deployment documentation.