Systems & Software Suite

Built Platforms & Enterprise Software

A comprehensive suite of 8 production-grade platforms engineered for complex Indian GST statutory compliance, enterprise workflow orchestration, on-premise vision OCR, and autonomous document generation.

01. BUILT ENTERPRISE SYSTEMS

Built Enterprise Platforms & Systems

Explore live interactive previews of my built software platforms, tax automation engines, enterprise CRM, and AI systems.

Tax Compliance2025 - 2026🔒 Internal Team & Enterprise Client Access
Launch Platform

E-Commerce Tax & Government Template Filing Engine

Developed an automated tax filing engine capable of ingesting raw sales reports across all major e-commerce marketplaces (Flipkart, Amazon, Meesho, Myntra, Ajio, 1mg) and direct B2B/B2C feeds. The engine auto-detects platform schemas, normalizes multi-state buyer tax liabilities, computes CGST/SGST/IGST breakdowns, and outputs government-compliant GSTR-1 and GSTR-3B audit templates.

10+Marketplaces
100%Auto-Detection
95%Time Saved
https://experts.taxamicus.in/automation
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#GST Filing#E-Commerce Tax#Automation Engine#Flipkart/Amazon/Meesho#ETL Pipelines
Technology & AI2025 - 2026🔒 Internal Team & Enterprise Client Access
Launch Platform

Taxamicus Enterprise Operations CRM & Task Dispatcher

Engineered a proprietary operational CRM to structure internal team workflows and eliminate compliance SLA bottlenecks. Features an Admin Command Center providing real-time visibility across active client jobs, turnaround times (TAT), and SLA delay metrics, paired with an automated Task Inbox featuring instant Accept/Reject task dispatching.

324+Active Jobs
390+Closed Cycles
0SLA Delays
https://experts.taxamicus.in/admin-command-center
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#Enterprise CRM#Workflow Automation#Task Dispatching#TAT Analytics#React / Next.js
Tax Compliance2025 - 2026🔒 Authorized Client & Business Portal
Launch Platform

Taxamicus Web Invoicing & Financial Performance Portal

Designed and built a web invoicing application enabling businesses to generate GST-compliant sales invoices and manage purchase bills effortlessly. The platform provides real-time tracking of estimated output GST liabilities, pending customer payment tracking, and multi-month sales performance analytics.

Real-TimeOutput GST
6-Month TrendSales Analytics
100%Payment Tracking
https://invoice.taxamicus.in/dashboard
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#Invoicing App#GST Output Tracking#Sales Analytics#Financial Dashboard#Next.js
Technology & AI2026🌐 Public Access Web Platform
Launch Platform

VerifyReels AI – Multimodal Fact Verification & Claims Engine

Engineered a multimodal verification engine that ingests video streams across major networks (YouTube, Instagram, X/Twitter, Facebook). The architecture transcribes speech-to-text, extracts verifiable claims using LLM pipelines, and cross-references claim validity against live web sources in under 5 seconds.

5 NetworksSupported Platforms
< 5sFact Check Latency
LiveWhatsApp Bot
https://verifyreels.com
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#AI Fact-Checking#LLM Transcription#Claim Extraction#Live Web Search#WhatsApp Bot
Tax Compliance2025 - 2026🔒 Internal Team & Enterprise Client Access

Taxamicus Chrome Extension – Silent GST Portal Automation

Created a specialized Chrome Extension that overlays directly onto the official Government Goods & Services Tax Network (GSTN) portal. It silently monitors tax notices in the background, renders interactive rate-wise reconciliation comparisons (GSTR-1 vs 3B, 3B vs 2B, TDS/TCS vs 3B), and provides single-click full FY return downloads in CSV and raw JSON formats.

4 Matrix TypesReconciliations
100% SilentNotice Monitoring
CSV & JSONBulk Downloads
https://return.gst.gov.in/returns/auth/dashboard
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#Chrome Extension#GST Portal Automation#GSTR-1 vs 3B Reconciliation#DOM Injection#JavaScript
Technology & AI2026⚡ Production-Ready Engine (Internal Staging / Pilot)

Taxamicus Sales CRM & AI Auto-Pilot WhatsApp Drip Engine

Engineered a production-ready conversational Sales CRM & Drip Engine designed for high-conversion GST compliance and Virtual Place of Business (VPOB) client acquisition. Connects directly to WhatsApp via pure Node.js WebSockets, pairs with Google Gemini 1.5 Flash for autonomous client qualification and sentiment-guided replies, and runs a service-aware drip engine (Track A: VPOB E-Commerce Amazon Prime 1-Day, Track B: GST Registration, Track C: Missing Documents) with strict Indian Business Hours (10:00 AM - 7:30 PM IST) and anti-spam safeguards. Features a real-time Socket.io Kanban board, atomic SQLite/JSON rolling snapshots, and closed-loop Meta CAPI webhook dispatch.

< 3sResponse Latency
3 TracksDrip Automation
Closed-LoopMeta CAPI Webhooks
https://localhost:3000/sales-crm (Internal WhatsApp Engine)
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#WhatsApp Web Engine#Google Gemini AI#Automated Drip Engine#Multi-Agent Kanban#Socket.io#SQLite WAL#Meta CAPI
Tax Compliance2026⚡ Production-Ready Engine (Internal Staging / Pilot)

99% Precision GST Purchase & Sales Invoice OCR Engine

Built a high-precision, self-hosted document processing engine tailored specifically for Indian GST purchase and sales invoices across PDF, JPG, PNG, and WebP formats. Eliminates third-party paid API costs by deploying local PaddleOCR 3.x (PP-OCRv4/v3) deep learning models. Utilizes spatial coordinate analysis to cleanly distinguish Supplier (Billed By) vs. Buyer (Bill To) GSTINs, applies statutory 15-character Mod-36 checksums with automated OCR typo self-healing, parses 4/6/8-digit HSN/SAC codes, and executes mathematical reconciliation across tax slabs with one-click JSON and Excel exports.

99%Extraction Accuracy
₹0 (Local Engine)API Cost
Mod-36 ValidatedGSTIN Checksum
https://localhost:8000/api/ocr (PaddleOCR 3.x Local)
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#PaddleOCR 3.x#Computer Vision#FastAPI / Python#Mod-36 Checksum#Mathematical Reconciliation#SVG Bounding Boxes#Excel Export
Tax Compliance2026⚡ Production-Ready Engine (Internal Staging / Pilot)

Auto GST Registration & Autonomous Legal Drafting Engine

Architected an end-to-end automation platform designed to compress the manual GST registration cycle by 90%. Leverages Google GenAI multimodal pipelines to cross-examine uploaded identity proofs and property documents (Electricity Bills, Municipal Tax Receipts), audits address parity against the Principal Place of Business, and autonomously drafts legally binding, stamp-duty-compliant documents—including Property Owner NOCs, Commercial Rent Agreements (with automated Indian currency word conversion and escalation clauses), and Multi-Partner Partnership Deeds. Integrates image optimization (sharp) and a Chrome extension injector for direct submission on gst.gov.in.

90%Cycle Automation
NOC / Rent / DeedLegal Document Types
< 2sDrafting Speed
https://localhost:5000/gst-drafter (Gemini Multimodal)
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#Google GenAI#Legal Drafting Automation#GST Registration#NOC & Rent Agreements#Partnership Deeds#Address Audit Match#Chrome Extension
Investing2010 - Present🌐 Public Access Web Platform
Launch Platform

Buffett & Lynch Intrinsic Value & Equity Valuation Engine

Designed an interactive fundamental valuation framework built on principles of active stock market investing since 2010. Ingests financial statements, normalizes owner earnings, evaluates high-ROIC reinvestment moats, applies 30% margin-of-safety DCF discounting (Warren Buffett Model), and scans PEG ratios (< 1.0) and inventory turnover inflections (Peter Lynch Model).

2010 - PresentExperience
Long MoatsBuffett Strategy
Fast GrowthLynch Strategy
https://shwetranjan.com/investing-modeler
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#Warren Buffett#Peter Lynch#DCF Valuation#PEG Ratio#Stock Market Since 2010
RESEARCH & PIPELINE EXPERIMENTS

Active Prototypes & Lab Pipeline

TAX TECHIn Development

Micro-SaaS Automated Tax Filing API

RESTful API endpoint for indie hackers to generate GST-compliant e-invoices instantly.

OPERATIONSResearch Phase

Automated Supply Chain Margin Simulator

Monte Carlo simulation tool for evaluating commodity price shifts on manufacturing margins.

FINANCEPrototyping

Algorithmic Capital Allocation Tracker

Personal portfolio engine analyzing ROIC against hurdle rates in real-time.