Proprietor, Incredible Informatics
I architect and deliver production-ready enterprise applications with clean code, scalable architecture, and comprehensive documentation. Specializing in . NET Core ecosystem with focus on Blazor, Entity Framework, and complex business solutions.
💡 My Approach:
- 🏗️ Architecture-first: Repository patterns, service layers, SOLID principles, DI
- ⚡ Performance-driven: Optimize from day one—caching, query optimization, concurrency
- 📚 Documentation alongside code: Every feature ships with comprehensive guides
- 🔄 Cross-platform expertise: . NET, Android, multi-database systems
- 🎯 Production quality: Enterprise-grade code that scales and maintains easily
- 🔧 Problem-solver: Complex integrations, legacy system modernization, critical bug fixes
Enterprise inventory & barcode management system
Tech: ASP.NET Core Blazor Server • EF Core • SQL Server • Identity Framework
Technical Highlights:
- 🔐 Multi-level access control: Role-based + User-Godown + Voucher-type permissions with dynamic filtering
- 🌐 Globalization engine: Culture-aware formatting across 4 locales (en-IN, en-US, hi-IN, en-GB) with IIS integration
- 📁 Advanced file processing: Multi-format import/export (XLSX, XLS, CSV, TSV, TXT) with validation pipeline
- 📊 Complex reporting: Aggregated stock reports with opening/closing balances, transaction histories
- 🖨️ Hardware integration: Real-time barcode scanner support with duplicate detection
- 🎨 Modern UX: Dark-themed responsive UI, loading states, progress indicators, accessibility-first
Project Metrics:
- 📦 18 independent modules with clean separation of concerns
- 💻 15,000-20,000 lines of maintainable, documented code
- 🗄️ 9 database tables with optimized relationships and indexing
- 📖 9 technical guides: Setup, architecture, culture implementation, API references
- ⏱️ 4.2 months (part-time alongside other projects)
- 🎯 67 commits with disciplined 0.5 commits/day pattern
Multi-database real-time synchronization platform
Tech: ASP.NET Core Blazor • Entity Framework Core • Multi-DB Support
Technical Highlights:
- 🔄 Cross-database sync: SQLite
↔️ SQL Server↔️ MySQL with dynamic schema introspection - ⚙️ Incremental synchronization: Track last sync value for efficient delta updates
- 🏗️ Dynamic DbContext factory: Runtime provider selection and query execution
- ⏱️ Flexible scheduling: Manual, Interval, and Scheduled triggers with background jobs
- 📊 Execution monitoring: Comprehensive logging with performance tracking
- 🔍 Database explorer: Schema introspection across different database types
- 🎯 Field mapping engine: Source-to-destination column mapping with validation
Android consignment tracking application with multi-API integration
Tech: Android (Java) • Retrofit • OkHttp • SOAP • REST APIs
Technical Highlights:
- 🏁 Race-based API strategy: 3 APIs called simultaneously with first-response wins
- ⚙️ Multi-API integration: SOAP (legacy) + 2 REST APIs with atomic concurrency control
- 🐛 Critical fixes: OkHttp version conflict resolution, ArrayIndexOutOfBounds fixes
- 📱 Modern Android: SDK 36, Android 12+ support, Material Design dark mode
- 🔒 Network security: Cleartext traffic config, domain whitelisting
- 📤 Enhanced sharing: WhatsApp/Email integration with API source indicators
- 🎨 Adaptive UI: Dark mode support, colored status indicators, improved layouts
Enterprise-grade payroll & HR management
Complete employee lifecycle management with salary processing, attendance tracking, and compliance reporting.
Full-featured accounting platform
Double-entry bookkeeping, GST compliance, financial reporting, and business intelligence.
Shared library for Ace company DBF data
Tech: .NET 8 • Ace OLE DB • DBF
Technical Highlights:
- 🏢 One company at a time: Opens a company from the registry
COMP.dbfand the matchingAce5{CCOD}folder - 📒 Chart and extracts:
ReadChartfor layouts, groups, subgroups, ledgers, and parties, plus named extracts for products, GST, and series - ✍️ Safe posting:
Pushfor cash/bank and journal (CB/JV);PostBillfor sale, purchase, and returns (SB/PB/SR/PR) - 🔒 Failure recovery: Snapshots
TXN,TXNDET,BILL, andSTOCK, refuses a locked file, and restores the snapshot if an insert fails - 🧪 Callers stay outside: RevoDayBook is the first caller; this repo has no screen and no HTTP client
Desktop console for Ace API operations and company backup
Tech: .NET 8 • Windows Forms • SQLite • Background worker
Technical Highlights:
- 📊 API operations dashboard: Live configuration, worker heartbeat, and recent run activity
- 🗄️ Company backup tasks: Scheduled and manual company backup from the desktop shell
- 🤫 Hidden host: Background instance for worker execution beside the desktop app
- 🧩 Split solution: Desktop, hidden host, library, and tests
Ace company backup and restore manager
Tech: .NET 8 • Windows Forms • Console host
Technical Highlights:
- 💾 Company backup: Manual and scheduled company backups with task history
- ♻️ Restore center: Restore wizard for bringing a company backup back
- 🖥️ Desktop and console: Interactive desktop app plus a console host for unattended runs
- 📦 Installer: Packaged desktop deployment alongside the library and tests
Windows reporting for Ace bills and GST
Tech: .NET 8 Windows • FastReport • RDLC • Ace DBF
Technical Highlights:
- 🖨️ Bill print: Ace bill generation from company DBF data (
BILL,BILLINFO, and related tables) - 📄 Report engines: FastReport templates in use, with an RDLC path for async preview, print, PDF, and Excel
- 🧾 GST report: GST reporting added on top of the bill-print flow
- ⌨️ CLI: Command-line reporter projects beside the desktop app
Multi-database business suite: core app, day book, mail, and restaurant
Tech: ASP.NET Core Blazor • .NET 8 • SQL Server • MySQL • PostgreSQL • SQLite
Technical Highlights:
- 📚 Revo: Company, membership, ownership, general-ledger entry, dashboards, and reports, with SQL Server, MySQL, PostgreSQL, and SQLite libraries plus an Android project
- 📒 RevoDayBook: Day-book sync from Ace DBF through AceLink
- ✉️ RevoMailer: Shared-database Blazor Server mail gateway
- 🍽️ RevoRestro: Restaurant product on the same .NET 8 stack
Storefront and admin for the Revo commerce stack
Tech: ASP.NET Core Blazor • .NET 8 • Android
Technical Highlights:
- 🛒 Shopper flow: Catalog, cart, checkout, addresses, orders, and tracking
- 💳 Payments: Card, cash on delivery, EMI, and gift-card panels
- 📱 Clients: Full and Lite web hosts plus an Android app
- 🎛️ Admin: Dynamic admin dashboard beside the storefront
Multi-tenant platform for the ValueAdded business
Tech: ASP.NET Core Blazor Server • .NET 8 • PostgreSQL • MySQL • Android JWT
Technical Highlights:
- 🏢 Tenant isolation: Master database plus a schema or database per company
- 🔐 Company-aware sign-in: Company ID or alias, then username, email, or mobile
- 📲 Android sessions: Bearer JWT, refresh tokens, and single-device, multi-device, or locked-device policies
- 🏦 Bank master: Global bank list with optional per-company hides for the Android app
Tea-garden production, billing, and crop reporting
Tech: ASP.NET Core Blazor • .NET 8 • SQL Server • MySQL • SQLite
Technical Highlights:
- 🌿 Garden masters: Gardens, companies, units, bought leaf, labour, regions, and zones
- 🧾 Crop billing: Garden, bought-leaf, associate, and special-member bills, with intimation letters and invoices
- 📊 Crop reports: Monthly production, district and yearly crop, Tea Board estimates, outstanding, and GST
- 🗄️ Multi-database: SQL Server, MySQL, and SQLite provider libraries
Electronic proof of delivery
Tech: ASP.NET Core Blazor • Blazor WebAssembly • .NET 8 • SQL Server • MySQL • SQLite • Tally bridge
Technical Highlights:
- 📦 Order confirmation: Each order records product, dispatched quantity, received quantity, and remarks
- ✅ Received-all: One check marks the whole order received
- 📊 View and report: Order view and EPOD report pages beside the entry screen
- 🔌 Connector API: Company and data-source sync, including max alter-id for incremental pull
- 🌉 Tally bridge: Desktop and hidden host for moving delivery data to Tally
Product QR label and bill printing
Tech: .NET 8 Windows Forms • FastReport
Technical Highlights:
- 🏷️ QR labels: FastReport templates for product QR, including customer-specific layouts
- 📦 Masters: Product, batch, and manufacturer records that feed the label
- 🖨️ Bill print: Preview and print from the desktop app
- 🏢 Company desktop: Windows app with its own company database
Cloth dyeing and processing
Tech: ASP.NET Core Blazor • .NET 8 • SQL Server • MySQL • SQLite
Technical Highlights:
- 🎨 Dye house: Formula master, machine master, and dye-batch stock
- 🧵 Production: Matching and running production consumption, with dye-wise costing
- 🧾 Sale challan: Challan entry, print, batch summary, and stock
- 📄 Slips: Production slip print for matching and running lots
- 🔌 Data connector: Desktop and hidden host for bringing process data in
VerTV · Sep 2026 – Present
Company OTT platform
Tech: React · TypeScript · ASP.NET Core · .NET · Kotlin · Swift · PostgreSQL · Redis
Technical Highlights:
- 🎬 Viewer: Browser OTT app with HLS playback
- 🎛️ Staff dashboard: Catalog, genres, and viewer support
- 🔐 Access API: Identity, catalog, and playback authorization
- 🎞️ Video worker: Ingest, FFmpeg, and HLS packaging
- 📱 Clients: Android in Kotlin, and an iOS start
- 🗄️ Local platform: PostgreSQL and Redis
AceToTally · Apr 2026 – Jul 2026
Ace company data into a Tally workbook
Tech: AceReporter module · Tally Data Interface · Excel
Technical Highlights:
- 📒 Sync With Tally (Excel): A page inside AceReporter, not a separate repository
- 📤 Workbook export: Reads an Ace company and writes masters and accounting vouchers, including sales and purchases
- 🔗 Tally Data Interface: The workbook is built through that library
Desktop and hidden hosts that sync a company into Tally
Technical Highlights:
- 🏢 ValueAdd: Apr 2024 – Present
- 🏢 IDS: Dec 2025 – Mar 2026
- 📚 TallyConnector: Shared library, Apr 2021 – Feb 2026
- 📦 Migration tool: Jan 2024 – Apr 2026
- 📊 Tally Data Interface: Mar 2026 – May 2026, turns source data into Tally-ready books
Accounting print and report add-ons
Tech: ASP.NET · C#
Technical Highlights:
- 🖨️ Cheque printing: Software for accounting cheque runs
- 📄 Report add-ons: Customized reporting for third-party accounting software
- 🌐 Web: ASP.NET applications in C#
- 🔄 Database Synchronization: Cross-platform sync engines, incremental updates, schema introspection
- 📦 File Processing: Excel manipulation (EPPlus, NPOI), CSV parsing, data transformation
- 🖨️ Barcode Systems: Scanner hardware integration, barcode generation/validation
- 📊 Advanced Reporting: Complex aggregations, data visualization, Excel exports
- 🌐 Globalization: Multi-culture support, i18n/l10n, culture-aware formatting
- 🔌 API Integration: REST, SOAP, multi-provider strategies, race conditions
- 📱 Android Development: Java, Retrofit, Material Design, background services
- ⚙️ Performance: Query optimization, caching (Memory, Distributed), concurrency control
✓ Clean Architecture ✓ SOLID Principles ✓ DRY/KISS
✓ Multi-platform Development ✓ Git Flow
✓ Comprehensive Documentation ✓ Code Reviews
✓ Concurrency & Thread Safety ✓ Error Handling
✓ Cross-database Compatibility ✓ API Integration
Duration: 4.2 months (part-time)
Code: 15K-20K lines
Modules: 18 major features
Database: 9 optimized tables
Documentation: 9 comprehensive guides
Commits: 67 (disciplined pattern)
Architecture: Enterprise patterns
Testing: Unit + Integration |
✓ Repository Pattern implementation
✓ Service Layer abstraction
✓ Async/await throughout
✓ Dependency Injection
✓ Clean separation of concerns
✓ Comprehensive error handling
✓ Security best practices
✓ Performance optimized |
Total Development Hours: 685-850 hours across 3 major projects
Lines of Code Written: 35,000-40,000+ lines
Platforms Mastered: Web (Blazor), Desktop (.NET), Mobile (Android)
Databases Supported: SQL Server, MySQL, SQLite
API Integrations: REST, SOAP, Multi-provider race strategies
Documentation Created: 9+ comprehensive technical guides
Architecture Patterns: Repository, Service Layer, Factory, Concurrency✓ Multi-database synchronization with schema introspection
✓ Cross-platform data transfer (SQLite ↔️ MSSQL ↔️ MySQL)
✓ Race-based API integration with atomic concurrency
✓ OkHttp version conflict resolution in production
✓ Hardware integration (barcode scanners)
✓ Culture-aware formatting across 4 locales
✓ Dynamic DbContext factory for runtime provider selection
✓ Incremental sync with delta tracking
✓ Enterprise patterns: Repository + Service Layer + DI
✓ Multi-project solutions with clean separation
✓ Thread-safe concurrent operations
✓ Background job scheduling systems
✓ Comprehensive error handling and logging
✓ Cross-database compatibility layers
✓ Production-ready deployment configurations
Location:
Room No: 4A, 4th Floor, Todi Mansion
Opposite BSNL Head Office, near Poddar Court
1, Lu Shun Sarani, Teriti Bazar
Kolkata - 700073, West Bengal, India
Enterprise Solutions:
- 🌐 Web Applications: Scalable . NET Core & Blazor platforms
- 💼 Desktop Software: Windows applications with complex business logic
- 📱 Mobile Apps: Native Android development with API integration
- 🔧 ERP Systems: Custom enterprise resource planning solutions
- 📊 Inventory Management: Barcode systems, stock tracking, reporting
- 💰 Financial Software: Payroll, accounting, compliance systems
- 🔄 System Integration: Multi-database sync, API development, legacy modernization
- 🔌 Data Synchronization: Cross-platform real-time data sync solutions
💼 Available for:
- Enterprise application development
- . NET/Blazor architecture consulting
- Technical architecture reviews
- Complex system integrations
- Legacy system modernization
Total Contributions • Consistent Delivery • Clean Code
67 commits • 4.2 months project • 18 modules
