AI that does the work, not just the demo.
We design, build, and deploy production AI workflow automations and full-stack AI SaaS products that save your team 10–40 hours every week. Guaranteed fixed price, clear written scope, and shipped in weeks, not quarters.
Outcome First
Every project contractually starts with one agreed business metric we commit to moving: hours saved, response latency, or live product launch.
100% IP Ownership
Code, GitHub repositories, cloud accounts, AI models, and databases remain under your name and ownership from day one. Zero lock-in.
Humans in the Loop
AI automates routine extraction, drafting, and data synchronization; your team retains final sign-off on refunds, pricing, and critical messaging.
Numbers that actually show up on your P&L.
We don't measure work by lines of code or billable hours. We measure the hours returned to your team and revenue captured.
Operational Time Recovered
Average hours eliminated from manual lead intake, CRM updates, and document processing per client team.
Lead Response Latency
Compressed from 4+ hours down to seconds with autonomous WhatsApp & email qualification agents.
Whiteboard to Live SaaS
Full-stack production builds (Next.js 16, FastAPI, Auth, Stripe) shipped ready for paying customers.
Two core pillars. Engineered for measurable ROI.
Whether you need to eliminate 20+ hours of manual staff drudgery or launch a revenue-generating AI web application, every system is built with production-grade architecture.
AI Workflow Automation & Custom Agents
We connect your existing tools (CRM, WhatsApp, Slack, databases, email) into autonomous systems that handle lead qualification, document extraction, customer routing, and reporting without human babysitting.
Full-Stack AI SaaS & MVP Builds
For startup founders who need a technical partner to build a revenue-ready software product. Clean editorial Next.js 16 UI, FastAPI backend, Auth, Stripe billing, and vector pipelines.
What We Automate (Common Deployments)
Ready-to-deploy blueprintsWhatsApp & Email Lead Qualifier
Answers incoming inquiries in <45s, enriches data, scores intent, and books meetings automatically.
Internal RAG Knowledge Copilot
Instant Slack/Teams assistant indexing hundreds of company SOPs, clinical protocols, and PDF handbooks.
Invoice & Contract Extraction
Transforms unstructured PDFs and scans into validated JSON, syncing directly into QuickBooks or ERP.
Autonomous Executive Reporting
Pulls metrics from Stripe, Google Analytics, and ad platforms into automated weekly briefing digests.
Customer Support Agent with Handoff
Resolves 70%+ of tier-1 support queries with strict guardrails and seamless human escalation.
Multi-Model LLM Cost Optimizer
Routes simple queries to lightweight models and complex reasoning to Claude 3.5 Sonnet to cut token spend by 60%.
Case Studies. Built & Shipped.
Real systems running in production. No theoretical mockups or toy prototypes.
Real Estate WhatsApp AI Lead Qualifier
Cutting inbound response time from 4 hours to 35 seconds
Clinical SOP & Compliance RAG Copilot
Autonomous knowledge assistant across 400+ compliance documents
ContractRisk B2B AI SaaS MVP
From whiteboard idea to 14 paying legal clients in 42 days
How we ship. Predictable from day one.
No endless brainstorming meetings, no ambiguous scopes, and no disappearing developers. A disciplined 4-step framework backed by transparent deliverables.
Discover & Map
We analyze your existing manual bottlenecks, API endpoints, and data flows. You receive a concrete proposal with an exact fixed price before any contract is signed.
Prototype & Guardrails
We construct the core LLM prompt pipelines, vector indexes, and fallbacks in a private test environment to validate accuracy and eliminate hallucination risks.
Production Build
Full integration with your WhatsApp, CRM, Slack, databases, and billing. We write clean, documented TypeScript and Python code you fully control.
Handover & Calibration
Full code and account transfer to your repositories, bespoke team onboarding video recordings, error-alerting webhooks, and 14 days of dedicated monitoring.
Predictable fixed pricing. Zero hourly billing.
We evaluate your exact scope and deliver a guaranteed fixed quote with a written Statement of Work (SOW). Once signed, that price is final — no open-ended meters, no surprise invoices.
Calculate your team's manual operational drain
Adjust the sliders below to see how many hours and dollars an autonomous workflow can return to your bottom line.
Starter Automation
Quick Integrations & Fixes
Businesses wanting immediate time savings on a specific task.
Production Workflows & Agents
Multi-Step Autonomous Systems
SMBs looking to recover 15–35 hours weekly across their team.
AI SaaS & Production MVP
Full-Stack Software Engineering
Founders needing a technical co-builder to reach paying customers fast.
“When you partner with Tatvex, your project is never passed off to junior subcontractors or hidden account managers. Every workflow architecture and SaaS pipeline is personally designed, coded, and tested by me.”
I commit to clear communication, guaranteed fixed-price contracts, and code you 100% own. Every system is built to production standards with strict SLAs, complete documentation, and zero surprise invoices.
What Founders & Operations Leaders Say
Verified outcomes from production client builds
“Harsh built our WhatsApp real estate lead qualifier in under two weeks. Our response time dropped from 4 hours to under 45 seconds, and we saw an immediate 3x lift in booked weekend property visits.”
“The RAG Slack bot Harsh engineered over our 400+ clinical protocols is flawless. Our clinical coordinators got 20+ hours back every week, and the zero-hallucination citation guardrail gave our medical directors total peace of mind.”
“Shipped our legal contract risk SaaS MVP in exactly 42 days. Beautiful Next.js UI, super fast FastAPI backend, and Stripe billing worked on day one. We onboarded 14 paying law firms right away.”
Modern, open-standard, and zero vendor lock-in.
We engineer with enterprise-proven technologies. You own 100% of the code, data, and cloud accounts.
Next.js 16 (App Router)
Server-side streaming, static generation (SSG), dynamic metadata, and edge caching for sub-second page loads.
Claude 5.5 (Sonnet & Opus)
Anthropic's latest 5.5 generation with autonomous agentic coding, computer use, and unmatched structured JSON adherence.
OpenAI GPT-6 Astra & o3
OpenAI's latest flagship Astra architecture and o3 chain-of-thought models for complex multi-hop logic, tool execution, and real-time voice/vision.
FastAPI & Python 3.12+
Ultra-fast asynchronous endpoints powering real-time LLM token streaming, background tasks, and vector ingest.
n8n Workflow Automation
Self-hosted event-driven automation nodes connecting CRMs, webhooks, databases, and LLMs with zero vendor lock-in.
PostgreSQL & pgvector
Enterprise ACID relational tables paired with pgvector indexing for millisecond cosine distance semantic similarity.
Node.js & TypeScript
End-to-end type safety from database schemas to client components, preventing runtime bugs and data mismatches.
LangChain & LlamaIndex
Advanced semantic document slicing, hybrid reranking, and multi-agent coordination with human-in-the-loop triggers.
Docker & AWS Infrastructure
Reproducible containerized environments deployed directly to your private AWS or Vercel cloud accounts with full IP handover.
Stripe Subscriptions
Production billing portals, recurring SaaS subscriptions, webhook idempotency, and automated tax handling.
WhatsApp Cloud API
Official Meta Cloud API integrations enabling automated, two-way conversational booking agents on WhatsApp.
Resend & Webhook Engine
React-rendered email notifications and webhook pipelines alerting teams instantly when high-priority leads qualify.
Everything you need to know.
Clear answers on our fixed-price quoting, code ownership, and engineering process.
Ready to eliminate 20+ hours of manual drudgery this month?
Tell us about the bottleneck draining your team or the AI SaaS product you want to ship. We will evaluate your scope and deliver an exact fixed-price proposal within 24 hours.