Available for new projects · Best-in-Class at Affordable Prices

CROSX DEV STUDIO® · HYBRID PERSONAL BRAND & PRODUCT STUDIO

Hi, I'm IRON CLADSenior Project Developer & Product Builder.

Building scalable full-stack systems, high-conversion websites & web apps, and React Native + Expo mobile apps that move real-world businesses forward.

JS · TS · Vite · TanStack · React · Next.js · NestJS · Node.js · Tailwind CSS · Neon DB · PostgreSQL · React Native + Expo

const developer = {
studio: 'CROSX DEV STUDIO®',
founder: 'IRON CLAD (Senior Project Developer)',
focus: [
'Full-stack Websites & Web Apps',
'Cross-platform Mobile Apps (Expo)',
'Scalable APIs, SaaS & Dashboards',
'Best-in-Class at Affordable Prices'
],
stack: [
'Next.js / React / Vite / TanStack',
'JavaScript / TypeScript / Tailwind CSS',
'NestJS / Node.js / Neon DB / PostgreSQL',
'React Native + Expo (iOS & Android)'
],
principle: 'Build reliable systems that turn complex business workflows into production-ready software.'
}
✓ Loaded CROSX DEV STUDIO manifest (Founded by IRON CLAD)Run #1
SEE OUR PORTFOLIO (03)
SCROLL NOW

STUDIO MANIFESTO · FOUNDED BY IRON CLAD

At CROSX DEV STUDIO® — we believe engineering is not just about appearance, but about creating immersive & meaningful digital products.

We combine senior full-stack architecture with intentional art direction to deliver best-in-class Websites, Web Apps, and Mobile Apps that exceed expectations at affordable prices.

01 / Cross-Platform Mobile

Mobile App Design & Dev

Native iOS & Android apps built with React Native + Expo.

02 / Websites & Web Apps

Website & SaaS Engineering

JavaScript, TypeScript, Vite, TanStack, React, Next.js & Tailwind.

03 / Full-Stack & APIs

Backend & Neon DB Systems

Scalable NestJS, Node.js, Neon DB & PostgreSQL production backends.

01 — Selected Production Works

Engineered Systems Live in Production.

Every platform below is designed, architected, and shipped by CROSX DEV STUDIO. Inspect the live production interfaces or launch the deployed domains directly.

https://crosx.in
200 OK
CrosX live production interface at crosx.in
01Enterprise Web Platformcrosx.in

CrosX

Enterprise Performance Advertising & Digital Growth Platform

High-conversion digital presence and interactive marketing analytics showcase built for CrosX to present multi-channel acquisition strategy, cohort optimization workflows, and executive consultation booking.

01.Interactive marketing analytics surface modeling campaign growth, conversion cohorts, and attribution clarity
02.Dual-theme adaptive design system with crisp editorial grid geometry and zero-layout-shift typography
03.Direct consultation and proposal routing pipelines engineered for rapid executive onboarding
Next.jsReactTypeScriptTailwind CSSNode.js
Visit crosx.in
https://rca.crosx.in
200 OK
CrosX RCA live production interface at rca.crosx.in
02Engineering Tooling & SaaSrca.crosx.in

CrosX RCA

Redirect Chain Analyzer & Server-Side URL Forensics Engine

Universal server-side redirect and URL trace engine engineered for technical SEO and performance marketing teams to inspect every HTTP hop, meta refresh, JavaScript navigation, and parameter mutation.

01.Server-side hop inspection across HTTP 301/302/307/308, HTML meta-refresh, and client-side JS redirects
02.Automated UTM, gclid, fbclid, and click_id preservation auditing across cross-domain hops
03.Bot cloaking detection, Strict-Transport-Security (HSTS) verification, and X-Robots-Tag header diagnostics
Next.jsNode.jsTypeScriptTanStackREST API
Visit rca.crosx.in
https://sohanpipeline.in
200 OK
Sohan Pipelines live production interface at sohanpipeline.in
03Full-Stack Service & Commercesohanpipeline.in

Sohan Pipelines

Regional Pipeline Engineering, Service Dispatch & Spare Parts Platform

End-to-end digital service dispatch, automated quote generation, and spare parts commerce platform for Sohan Pipeline’s & Plumbing across South Bengal.

01.Instant regional area dispatch selector mapped to verified PIN-code service hubs
02.Live order tracking workflow, automated PDF estimate generator, and direct WhatsApp desk integration
03.Bilingual interface switching (English / Bengali) alongside verified on-site installation galleries
Next.jsTypeScriptNeon DBPostgreSQLTailwind CSSNode.js
Visit sohanpipeline.in

02 — Studio Philosophy & Craft

Senior Engineering Craft. Best-in-Class Projects at Affordable Prices.

CROSX DEV STUDIO, Founded by IRON CLAD, operates with a clear mission: deliver senior-architect digital products—spanning custom Websites, full-stack Web Applications, and native iOS & Android Mobile Apps—at fair, transparent, and accessible pricing.

From high-converting growth flagships like crosx.in and server-side forensic engines like rca.crosx.in to regional service commerce platforms like sohanpipeline.in, we build across almost every industry category using a unified modern TypeScript ecosystem.

01. Web & Web Apps

Next.js, Vite & TanStack

Sub-second reactive interfaces styled with Tailwind CSS and strict TypeScript.

02. Backend & APIs

NestJS, Node & Neon DB

Modular NestJS & Node.js servers backed by Neon Serverless PostgreSQL schemas.

03. Mobile Apps

React Native + Expo

60fps native iOS & Android apps built from a single shared codebase.

CROSX DEV STUDIO engineering workspace and product design floor

Founder & Senior Developer

IRON CLAD

Architecting Websites, Web Apps, Backend Systems, and React Native + Expo Mobile Apps with hand-crafted precision.

CROSX DEV STUDIO

Best-in-Class · Affordable Pricing

Complete Language, Framework & Database Mastery

JS · TS · Vite · TanStack · React · Next.js · NestJS · Node.js · Neon DB · PostgreSQL · Tailwind · Expo

Get an Affordable Quote

Technical Architecture — Full-Spectrum Stack

Production Arsenal Across Web, Backend & Mobile.

01. Core Languages

TypeScript & JavaScript (ES2026)

End-to-end strict type safety and zero-runtime-surprise execution

02. Production Web Framework

Next.js & React 19

App Router, Server Actions, SSR/ISR, and SEO-first web architecture

03. SPA & Data Orchestration

Vite & TanStack Suite

Sub-second Vite builds with TanStack Query, Router & Table state management

04. Design System Engine

Tailwind CSS

Custom dual-theme tokens, fluid responsive grids, and 60fps micro-interactions

Comprehensive Engineering Coverage — Websites, Web Apps & Mobile Apps

01 · Full-Stack Web AppNext.js · React · TanStack · NestJS · Neon DB · PostgreSQL

SaaS Platforms & Custom Web Apps

Multi-tenant software products, subscription portals, CRM/ERP workspaces, and diagnostic engines engineered for rapid user onboarding.

Redirect Forensics & SEO Tools · Team Workspaces & CRMs · Subscription SaaS Products

Senior architecture at startup-friendly milestone pricingBuild This
02 · Mobile App (iOS & Android)React Native · Expo · TypeScript · TanStack Query · Node.js

iOS & Android Mobile Applications

Production-grade native mobile applications for consumer marketplaces, on-demand field dispatch, booking systems, and companion SaaS apps.

On-Demand Service & Delivery Apps · Commerce & Loyalty Apps · Field Operations & Booking

Single TypeScript codebase shipping to both iOS & Android affordablyBuild This
03 · Full-Stack Web AppNext.js · Vite · Tailwind CSS · Node.js · Neon DB · PostgreSQL

E-Commerce, Booking & Regional Dispatch

High-conversion storefronts, spare-parts catalogs, PIN-code dispatch systems, and automated PDF quotation engines.

B2B/B2C Product Catalogs · PIN-Code Service Dispatch · Automated Quote & Order Tracking

Zero-bloat custom commerce built for measurable ROIBuild This
04 · Website & SEO FlagshipNext.js · React · Vite · Tailwind CSS · Motion

Brand Flagships, Portfolios & Agency Sites

Editorial-grade corporate websites, interactive portfolios, and high-converting landing funnels with full dark/light mode choreography.

Enterprise Growth Websites · Interactive Product Showcases · High-Speed SEO Landing Funnels

Best-in-class visual polish at accessible fixed-scope pricingBuild This

03 — Core Engineering Expertise

Seven Disciplines. One Cohesive Standard.

Select any engineering domain below to inspect how CROSX DEV STUDIO architects websites, SaaS web apps, React Native + Expo mobile apps, NestJS/Node.js backends, dashboards, APIs, and workflow automation.

Discipline 01Editorial & High-Conversion Web Architecture

Website Development

Bespoke digital flagship websites engineered with Next.js, React, Vite, and Tailwind CSS—combining sculptural typography, smooth dark/light mode transitions, and technical SEO foundations.

Production Capabilities & Deliverables

01.

Next.js & Vite Flagships

02.

Interactive Editorial Collages

03.

Technical SEO & Core Web Vitals

Stack SignatureNext.js · React · Vite · Tailwind CSS · TypeScript
Discuss Website Development

04 — Engagement Models & Transparent Pricing

Best-in-Class Engineering Services at Accessible Pricing.

Whether launching a flagship Website, a TanStack/Next.js Web App, a NestJS + Neon PostgreSQL backend, or a React Native + Expo Mobile App, we deliver senior-grade quality at affordable budgets.

01 · Service ArchitectureNext.js · React · Vite · TanStack · Tailwind CSS

Custom Websites & High-Speed Web Apps

Editorial craft meets Next.js, Vite & TanStack engineering.

We design and engineer distinctive websites and reactive web apps that command authority—blending agency-grade layouts, smooth dark/light mode switches, and sub-second performance.

  • Custom Responsive Design System (Full Dark & Light Mode)
  • Next.js App Router or Vite + TanStack Reactive Architecture
  • Semantic SEO, OpenGraph & Core Web Vitals Optimization
Best-in-Class Quality · Affordable Fixed-Scope Pricing
02 · Service ArchitectureReact Native · Expo · TypeScript · Node.js

Cross-Platform Mobile Apps (React Native + Expo)

Native iOS & Android apps engineered from a unified TypeScript core.

Launch on both Apple App Store and Google Play without doubling your engineering budget. We build smooth 60fps mobile apps using React Native and Expo.

  • Universal iOS & Android App with Expo Router Navigation
  • Shared TypeScript API Contracts & TanStack Query Caching
  • Push Notifications, Deep Linking & OTA Update Readiness
Dual-Platform Delivery · Startup-Friendly Budget
03 · Service ArchitectureNext.js · NestJS · Node.js · PostgreSQL · TypeScript

Full-Stack SaaS & Enterprise Platforms

From PostgreSQL blueprint to deployed multi-tenant product.

End-to-end engineering of specialized SaaS products, diagnostic tools, e-commerce catalogs, and regional dispatch portals—modeled on CrosX RCA and Sohan Pipelines.

  • Relational PostgreSQL Schema & NestJS / Node.js Backend
  • Authenticated Client Workspaces & TanStack Admin Consoles
  • Automated PDF Quotation, Dispatch & Payment Workflows
Production-Ready Architecture · Transparent Milestones
04 · Service ArchitectureNestJS · Node.js · PostgreSQL · TanStack

Backend Systems, Dashboards & Automation

Hardened NestJS/Node.js infrastructure and analytical clarity.

We architect the backbone of digital businesses: modular NestJS APIs, PostgreSQL data models, executive telemetry dashboards, and automated workflow engines.

  • Modular NestJS & Node.js REST APIs with Strict Validation
  • High-Density Executive Dashboards & Forensic Trace Tools
  • SSRF-Protected Server Proxies & Webhook Automation
Senior Systems Engineering · High-ROI Delivery

05 — Execution Methodology

Discover → Plan → Design → Develop → Launch.

Our five-stage engineering lifecycle eliminates guesswork. Each phase produces concrete technical artifacts and passes a strict verification gate.

Stage 01 of 05Discover Phase

Domain Immersion & Affordable Scope Alignment

We dissect your business goals, target platform (Website, Web App, or React Native Mobile App), and budget parameters to lock in maximum ROI without unnecessary agency bloat.

Verification Gate: Problem definition & affordable fixed-scope roadmap approved

Stage 01 Engineering Artifacts

  • 01.System Requirements Brief
  • 02.Transparent Cost & Milestone Plan
  • 03.User Journey Map

06 — Start a Conversation

Best-in-Class Projects at Affordable Prices.

Whether you need a custom Website, a full-stack SaaS Web App, or a cross-platform React Native + Expo Mobile App, share your objectives below. Every commission generates an encrypted support ticket reviewed directly by IRON CLAD at CROSX DEV STUDIO.

Studio Identity

CROSX DEV STUDIO · Founded by IRON CLAD

Web, Backend & Mobile Arsenal

JavaScript · TypeScript · Vite · TanStack · React · Next.js · NestJS · Node.js · Tailwind CSS · Neon DB · PostgreSQL · React Native + Expo

Already Have a Ticket ID?

Project Specification & Affordable Quote Ledger

Complete the parameters below to scope your Website, Web App, or React Native Mobile App.

Neon PostgreSQL Ready

Direct review by IRON CLAD · Persisted via Neon Serverless PostgreSQL