TechdomeVenture Studio
Case studiesFinTechIndiaClient engagement · verifiable
FinTechTax Automation & SMB ComplianceIndia

A Conversational WhatsApp Tax Filing Bot & Chartered Accountant Advisory Engine

Automating tax payments and tax filing assistance through an intelligent WhatsApp bot directly connecting taxpayers with chartered accountants.

Venture identity:An Indian Tax Tech & Small Business Advisory PlatformClient Enterprise Engagement
01 / The Challenge

Operational Constraints & What Was in the Way

Legacy friction, system bottlenecks, and functional limits requiring custom engineering.

Operational & Engineering Context

Indian micro-enterprises, freelancers, and small business owners struggle with complex advance tax deadlines, confusing government portals, and expensive CA retainer fees.

Identified Friction Points

01

Filing tax

via government portals required cumbersome manual form entry, leading to missed deadlines and interest penalties

02

Traditional tax software

was too complex for non-financial small business owners

03

Manual CA firms

could not efficiently service low-ticket tax returns without automation

02 / System Architecture

Execution Pipeline & Architectural Topology

Interactive multi-stage topology diagram demonstrating the system pipeline engineered by Techdome.

System Topology & Execution Pipeline

End-to-End Production Architecture

Active Architecture
02 · Application CoreStage Blueprint

Microservices & Business Logic

The computational engine running core workflows for FinTech. Orchestrates data transformations, authorization rules, and external integrations.

Architectural Guarantee:High-concurrency job dispatch with automated retry ledgers and circuit breakers.
Deployed Stack NodesVerified Live
Modular MicroservicesAsync Job QueueDomain Services
Protocols & Security Primitives
  • Stateless JWT Sessions
  • Idempotent Mutation Handlers
  • Distributed Event Bus
03 / What We Built

Delivered Engineering Capabilities

Core production modules and capabilities deployed to live environments.

Conversational question-and-answer flow guiding users through income declaration and deductions

Shipped

Real-time tax slab computation and automated Challan generation

Shipped

Webhook-driven payment gateway

Shipped

enabling one-click tax clearance within WhatsApp

Chartered Accountant review interface

Shipped

allowing verified professionals to audit and sign off returns in bulk

System Overview

Architected an automated WhatsApp business bot pipeline backed by a rule-based tax estimation microservice, instant payment links, and a CA verification review portal.

04 / Production Stack

Verified Production Technologies

Categorized technology stack, infrastructure primitives, and execution frameworks running in production.

TIER 01

Presentation & Client Layer

Web DevelopmentUI/UX Design
StatusProduction Live
TIER 02

Application Core & Services

Node.js MicroservicesREST & Real-Time APIs
StatusProduction Live
TIER 03

State, Search & Persistence

Relational Database (PostgreSQL)Distributed Cache
StatusProduction Live
TIER 04

Cloud, Infrastructure & DevOps

Docker ContainerizationAutomated CI/CD Deployment
StatusProduction Live
05 / Impact & Verification

Production Telemetry & Milestone Ledger

Verified production status, milestone delivery sign-off, and ground-truth metrics.

Automated
Conversational Filing

Guided WhatsApp flow replacing manual government tax portal entries

Integrated
CA Verification Portal

Chartered Accountant review interface for bulk audit and sign-off

One-Click
Challan Settlement

Webhook-driven payment gateway clearing advance tax inside chat

Production Delivered & Live (Client Verified on Clutch).
06 / Delivery & Governance

Confidentiality & Verification Assurance

To protect confidential client intellectual property and enterprise non-disclosure agreements, engagements are presented by industry sector, architectural challenge, and operating geography rather than registered trademarks.

Every architecture, milestone, and timeline listed in this case study is grounded in active production repositories.

Delivery PodFull Pod
TimelineFull Lifecycle
GeographyIndia
Audit StatusVerified Production
Explore the portfolio

See Other Case Studies

Every venture in our 38+ portfolio is backed by real production architecture, verified deployment telemetry, and active codebases.

View All 40+ Case Studies
FinTechUnited States

Algorithmic Property Valuation & Municipal Crime Rate Risk Analytics

A Real Estate FinTech & Mortgage Underwriting Platform

Intelligent property valuation and mortgage loan risk assessment software incorporating municipal crime rate analytics and financial indicators.

Web DevelopmentUI/UX DesignData Analytics & BI
Client production deploymentRead Study
FinTechUnited States & Middle East

Macroeconomic Trend Prediction, Public Sentiment & Financial Intelligence Terminal

A Capital Markets Advisory & Sentiment Research Firm

An AI-powered intelligence dashboard providing real-time visibility into industry market trends, public sentiment, and core financial indicators.

Document IngestionAutomated
Web DevelopmentUI/UX DesignAI Development+1
Client production deploymentRead Study
HealthcareUnited States & UK

A Telehealth Platform Running Real Clinics

A US & UK Telehealth Platform (GLP-1 Space)

Multi-tenant clinical operating platform across the US and UK for the GLP-1 surge: synchronous/asynchronous EMR, compliant e-prescribe, automated pharmacy routing, and split-billing with day-zero HIPAA and UK GDPR architecture.

Clinic Tenants38
ReactNode.jsPostgreSQL (Multi-Tenant)+4
Client production deploymentRead Study
Start a conversation

Whether it's co-founding a venture from a blank repo, embedding a senior pod, or automating the back office — bring us the architecture problem and we'll tell you honestly whether we're the right team for it.

What you get either way
  • You talk to a senior architect, not an account manager
  • 24-hour response on any scoped request
  • Mutual NDA and IP assignment as standard