# The Software Development Company (TSDC)

> The Software Development Company (TSDC) is an elite engineering and cloud architecture firm specializing in high-performance React/TypeScript web applications, native Kotlin/Jetpack Compose Android apps, and secure distributed backend portals for enterprise clients, industrial leaders, and high-growth technology ventures.

## Overview
- Official Website: https://tsdc.in
- Headquarters: Lucknow, Uttar Pradesh, India
- Leadership: Somil Srivastava (Founder), Vaibhavi Keshari (Co-Founder)
- Inquiries: contact@tsdc.in | Phone: +91 7376787697
- Primary Core: React, TypeScript, Tailwind CSS, Kotlin, Jetpack Compose, Node.js, Cloud Firestore, Cloudflare Edge Workers, and Google Play Store Direct Deployment.

## Key Services
- [Custom Web Application Engineering](https://tsdc.in/services): High-throughput single-page and server-rendered web applications with zero layout shift, modern component modularity, and sub-second cold starts.
- [Native Android Application Development](https://tsdc.in/services): Production-ready mobile apps built with Kotlin, Jetpack Compose, Room offline persistence, and end-to-end Google Play Store compliance.
- [Enterprise Client & Government Portals](https://tsdc.in/services): Role-based access control (RBAC), multi-tenant security clearances, automated PDF report generation, and real-time operational telemetry.
- [Cloud Backend & Serverless Edge APIs](https://tsdc.in/services): Ultra-low latency edge compute pipelines, Firestore document indexing, and zero-trust authentication infrastructure.
- [Application Maintenance & SLA Retainers](https://tsdc.in/services): 99.99% uptime guarantees, proactive security patching, monthly OS compatibility validations, and continuous CI/CD integration.

## Flagship Client Deployments & Case Studies
- [AK Industries Customer Portal & Native Android App](https://tsdc.in/client-ak-industries): Industrial solutions portal and native Android application with offline QR scanning and live equipment dispatch telemetry.
- [Pulse Rank Telemetry Engine](https://tsdc.in/client-pulse-rank): Real-time ranking telemetry dashboard, custom SEO audits, and content index monitoring for high-volume enterprise websites.
- [FinTrack Pro 2 Wealth Platform](https://tsdc.in/client-fintrack-pro): Financial ledger application featuring instant ledger synchronizations, cryptographic zero-knowledge security, and Cloudflare Worker compute pipelines.
- [Northern Railways Training Portal](https://tsdc.in/client-northern-railways): Government education hub handling trainee onboarding, course progression tracking, and automated certification generators across state rail divisions.

## Architectural Standards & Stack
- Frontend: React 18/19, TypeScript, Tailwind CSS, Vite, motion animations, responsive mobile-first architecture.
- Mobile: Android Studio, Kotlin, Jetpack Compose, Material Design 3, Coroutines, Room local DB, WorkManager, FCM.
- Backend & Cloud: Node.js, Express, Firebase Firestore, Cloud SQL PostgreSQL, Cloudflare Workers, Google Cloud Run.
- Security: End-to-end TLS encryption, zero-trust RBAC, sanitization pipelines, cryptographic token auth, strict CSP.

## Engineering Blog & Architecture Briefs
- [Architecting High-Throughput Cloud Backends](https://tsdc.in/blog-architecting-high-throughput-cloud-backends): Low-latency serverless workers and Firestore synchronization supporting concurrent user traffic.
- [Optimizing Android Apps for Low-Resource Environments](https://tsdc.in/blog-optimizing-android-apps-low-resource): Reducing APK sizes by 40% and achieving 2.5x faster startup times across diverse hardware.
- [Designing Seamless Portals for State Infrastructure](https://tsdc.in/blog-designing-railway-training-portal): Zero-trust security, symmetric clearances, and offline-first trainee assessment modules.

## Careers & Engineering Tracks
- [Senior React Web Engineer](https://tsdc.in/careers): Full-time remote/hybrid role focusing on high-throughput interfaces, state hydration, and modular UI libraries.
- [Lead Android Application Developer](https://tsdc.in/careers): Native Kotlin development, Jetpack Compose state architecture, and Google Play Store deployment pipelines.
- [Product Designer (UI/UX)](https://tsdc.in/careers): Enterprise design systems, high-fidelity Figma specifications, and developer-aligned design tokens.

## Frequently Asked Questions (FAQ)
- [Frequently Asked Questions](https://tsdc.in/faq): Detailed answers regarding delivery timelines (3-5 weeks for web apps, 6-10 weeks for portals/mobile), Play Store publishing policies, pricing structures, and code handover protocols.

## Contact & Inquiries
- [Consultation & Inquiries](https://tsdc.in/contact): Direct project scoping, NDA requests, and technical architecture reviews.
- Email: contact@tsdc.in
- Phone: +91 7376787697
- Location: Lucknow, Uttar Pradesh, India

## Optional & Extended Documentation
- [Full Text Context (llms-full.txt)](https://tsdc.in/llms-full.txt): Complete textual representation of all service specifications, case studies, and architecture documentation for extended context windows.
- [XML Sitemap](https://tsdc.in/sitemap.xml): Dynamic index of all live pages, client case studies, and engineering blog articles.
- [AI Agent Plugin Manifest](https://tsdc.in/.well-known/ai-plugin.json): Machine-readable plugin and capabilities manifest.