Ankur Saurabh | Backend Engineer - AI Platforms & Blockchain Systems

AI-First Real Estate

WisdomAI Platform

Leading backend architecture of an AI-first real estate platform transforming Dubai's property market. System handles daily property listing ingestion at scale, serves multiple real estate agencies, and powers fractional investing infrastructure enabling property tokenization. Built distributed microservices achieving 120ms avg API response time and reducing agent workflows from hours to minutes through AI automation.

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API Response

Average latency

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Microservices

Independently scalable

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Onboarding

From 2 hours

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Languages

EN · AR · multilingual

AI-POWERED PLATFORM ARCHITECTURE

┌─────────────────────────────────────────────────────────────┐ │ API Gateway Layer │ │ (Load Balancing • Rate Limiting) │ └────┬──────────────┬────────────────┬────────────────────────┘ │ │ │ ▼ ▼ ▼ ┌──────────┐ ┌──────────┐ ┌─────────────────┐ │ AI Listing│ │Document │ │ CRM & Analytics │ │ Service │ │Intel Svc │ │ Service │ └─────┬─────┘ └────┬─────┘ └────────┬────────┘ │ │ │ │ ┌────────┴────────┐ │ │ │ │ │ ▼ ▼ ▼ ▼ ┌──────────────────────────────────────────────┐ │ AI/ML Pipeline Services │ │ │ │ ┌─────────────────────────────────────┐ │ │ │ Property Valuation Engine │ │ │ │ • Comparable analysis │ │ │ │ • Market trend prediction │ │ │ │ • Location scoring │ │ │ └─────────────────────────────────────┘ │ │ │ │ ┌─────────────────────────────────────┐ │ │ │ ROI Analysis Engine │ │ │ │ • Cash flow projections │ │ │ │ • Rental yield calculation │ │ │ │ • Investment risk scoring │ │ │ └─────────────────────────────────────┘ │ │ │ │ ┌─────────────────────────────────────┐ │ │ │ Content Generation │ │ │ │ • SEO-optimized descriptions │ │ │ │ • Multilingual translation │ │ │ │ • Auto-tagging & categorization │ │ │ └─────────────────────────────────────┘ │ └───────────────────┬──────────────────────────┘ │ ▼ ┌──────────────────────────────────────────────┐ │ Fractional Investment Infrastructure │ │ │ │ • SPV-style Investment Tracking │ │ • Investor Portfolio Management │ │ • Secure Wallet Flows │ │ • Dividend Distribution │ │ • Share Trading & Liquidity │ └───────────────────┬──────────────────────────┘ │ ┌─────────┴─────────┐ ▼ ▼ ┌──────────────────┐ ┌─────────────────────┐ │ Third-Party │ │ External Data │ │ Portal │ │ Sources │ │ Integration │ │ │ │ • Bayut │ │ • Market Intel │ │ • Property Finder│ │ • Price Indexes │ │ • Dubizzle │ │ • Analytics APIs │ └──────────────────┘ └─────────────────────┘ ┌────────────────────────┐ │ PostgreSQL Cluster │ │ • Property Data │ │ • User Profiles │ │ • Investments │ │ • Analytics Warehouse │ └────────────────────────┘

Python Django AI/ML PostgreSQL Celery Redis AWS Docker

High-Frequency Trading

MidChains Auto Execution

Built intelligent automated trading system with direct exchange integration (Coinbase, Binance). Implements sub-second price discovery across multiple exchanges, profit maximization algorithms, and secure vault architecture. Achieved 99.9% uptime and 40% improvement in execution efficiency through intelligent order routing and automated risk management.

TRADING FLOW ARCHITECTURE

┌─────────────────┐ │ Client Request │ (Buy/Sell Order) │ Trading Team │ └────────┬────────┘ │ ▼ ┌─────────────────────────────────────────────────┐ │ MidChains Auto Execution Engine │ │ │ │ 1. Order Validation & Risk Check │ │ 2. Price Discovery (Multiple Exchanges) │ │ 3. Profit Calculation Logic │ └────────┬────────────────────────────────────────┘ │ ▼ ┌─────────────────────────────────────────────────┐ │ Coinbase Exchange API │ │ • Real-time Price Feed │ │ • Order Execution │ │ • Trade Confirmation │ └────────┬────────────────────────────────────────┘ │ ▼ ┌─────────────────────────────────────────────────┐ │ Profit Optimization Engine │ │ │ │ Internal Price - Exchange Price = Profit │ │ │ │ Example: │ │ Client pays: $50,000 (Internal rate) │ │ Coinbase cost: $49,800 (Market rate) │ │ Profit: $200 → House Vault │ └────────┬────────────────────────────────────────┘ │ ┌────┴────┐ ▼ ▼ ┌─────────┐ ┌──────────────┐ │ House │ │ Client │ │ Vault │ │ Wallet │ │ (Profit)│ │ (Crypto Recv)│ └─────────┘ └──────────────┘ ┌──────────────────────┐ │ Celery Workers │ │ • Transaction Log │ │ • Reconciliation │ │ • Audit Trail │ └──────────────────────┘

Python Django Celery Redis PostgreSQL Coinbase API

Enterprise Solution

OTC Trading Platform

Developed a comprehensive OTC (Over-The-Counter) trading platform from scratch with three independent portals serving different user roles. The system handles the complete lifecycle of crypto/fiat trading with institutional-grade security and compliance.

SYSTEM ARCHITECTURE

┌─────────────────────────────────────────────────────────────────────┐ │ CLIENT PORTAL │ │ • Place Orders • Generate Wallets • Bank Details │ │ • Withdraw Funds • Accept Quotes • Authentication (2FA) │ └────────────────┬────────────────────────────────────────────────────┘ │ ▼ ┌─────────────────────────────────────────────────────────────────────┐ │ DJANGO REST API LAYER │ │ (JWT Auth • Rate Limiting • Validation) │ └────┬────────────────────────┬────────────────────────┬──────────────┘ │ │ │ ▼ ▼ ▼ ┌──────────────┐ ┌──────────────────┐ ┌─────────────────────┐ │ TRADING │ │ CUSTODY │ │ WALLET SERVICE │ │ PORTAL │ │ PORTAL │ │ (3rd Party API) │ │ │ │ │ │ │ │ • View Orders│ │ • KYC Onboard │ │ • Generate Address │ │ • Execute │ │ • Bank Mgmt │ │ • Check Balance │ │ • Send Quote │ │ • FIAT Deposit │ │ • Process Withdraw │ └──────┬───────┘ └────────┬─────────┘ └──────────┬──────────┘ │ │ │ └─────────────────────┴──────────────────────────┘ │ ▼ ┌──────────────────────────────┐ │ PostgreSQL Database │ │ • Orders • Users • Wallets │ │ • Transactions • KYC Data │ └──────────────┬────────────────┘ │ ┌──────────────┴────────────────┐ │ Celery Workers │ │ • Email Notifications │ │ • Withdrawal Processing │ │ • Transaction Reconciliation │ └────────────────────────────────┘

Python Django PostgreSQL Docker JWT Celery

Cross-Chain Bridge

ABBC SWAP Portal

Built a secure cross-chain token bridge enabling seamless asset transfers from EOS blockchain to ERC20, BEP20, and other EVM-compatible networks. Implemented Web3.py for smart contract interactions with comprehensive blockchain validation and two-tier admin approval workflow.

CROSS-CHAIN BRIDGE FLOW

┌──────────────────────┐ │ User Initiates Swap │ │ EOS → ERC20/BEP20 │ └──────────┬───────────┘ │ ▼ ┌─────────────────────────────────────────┐ │ Deposit EOS Tokens │ │ • User sends to EOS bridge address │ │ • Include unique memo for tracking │ └──────────┬──────────────────────────────┘ │ ▼ ┌─────────────────────────────────────────┐ │ Backend Detection Service │ │ • Monitor EOS blockchain via RPC │ │ • Validate transaction on-chain │ │ • Verify memo & amount │ │ • Calculate conversion amount │ └──────────┬──────────────────────────────┘ │ ▼ ┌─────────────────────────────────────────┐ │ Admin Approval (Level 1) │ │ • Review transaction details │ │ • Verify receiving address │ │ • Check for suspicious activity │ └──────────┬──────────────────────────────┘ │ APPROVED ▼ ┌─────────────────────────────────────────┐ │ Admin Approval (Level 2) │ │ • Secondary verification │ │ • Final authorization │ └──────────┬──────────────────────────────┘ │ APPROVED ▼ ┌─────────────────────────────────────────┐ │ Smart Contract Interaction │ │ (Web3.py) │ │ │ │ 1. Connect to target network │ │ 2. Call mint/transfer function │ │ 3. Send transaction │ │ 4. Wait for confirmation │ └──────────┬──────────────────────────────┘ │ ▼ ┌─────────────────────────────────────────┐ │ Blockchain Validation │ │ • Verify transaction on-chain │ │ • Check token balance updated │ │ • Confirm in user wallet │ └──────────┬──────────────────────────────┘ │ ▼ ┌─────────────────────────────────────────┐ │ Update Database & Notify User │ │ • Record swap completion │ │ • Send confirmation email │ │ • Update swap history │ └──────────────────────────────────────────┘ EOS Network Target Network ──────────── ────────────── ABBC Token ──────► BABBC Token (Bridge) (ERC20/BEP20)

Python Django Web3.py Smart Contracts MySQL EOS

Crypto Exchange

Bitstorm Exchange

Multi-network cryptocurrency exchange supporting BSC, ERC20, and multiple blockchain networks. Architected a high-performance Redis-based order matching engine capable of processing thousands of trades per second with minimal latency.

ORDER MATCHING PIPELINE

┌──────────────┐ │ User Places │ │ Trade Order │ └──────┬───────┘ │ ▼ ┌─────────────────────────────────────┐ │ Redis Queue (1) │ │ "pending_orders" │ └──────┬──────────────────────────────┘ │ ▼ ┌─────────────────────────────────────┐ │ Pre-Processing Service │ │ • Validate Order │ │ • Check User Balance │ │ • Calculate Fees │ │ • Fraud Detection │ └──────┬──────────────────────────────┘ │ ▼ ┌─────────────────────────────────────┐ │ Redis Queue (2) │ │ "validated_orders" │ └──────┬──────────────────────────────┘ │ ▼ ┌─────────────────────────────────────┐ │ Matching Engine Service │ │ • Find Counter Orders │ │ • Price-Time Priority │ │ • Execute Trades │ │ • Calculate Execution Price │ └──────┬──────────────────────────────┘ │ ┌───┴────┐ ▼ ▼ ┌──────┐ ┌──────────────────────────┐ │ No │ │ Match Found! │ │Match │ │ │ └──┬───┘ └──────┬───────────────────┘ │ │ │ ▼ │ ┌──────────────────────────┐ │ │ Post-Process Service │ │ │ • Update Balances │ │ │ • Deduct Fees │ │ │ • Generate Receipt │ │ └──────┬───────────────────┘ │ │ │ ▼ │ ┌──────────────────────────┐ │ │ PostgreSQL Database │ │ │ • Store Trade │ │ │ • Update Order Book │ │ │ • Transaction History │ │ └──────────────────────────┘ │ └───► Return to Order Book

Python Django Redis MySQL Blockchain RPC

Payment Solution

Midpay Payment Gateway

Enterprise-grade Payment Service Provider (PSP) gateway powering cryptocurrency payments for major enterprises including Aldar Properties (UAE's leading real estate developer). Enables merchants to accept crypto with seamless fiat conversion and real-time settlement. Built scalable multi-merchant architecture with dynamic pricing, real-time exchange rates, QR code generation, and automated settlement processing.

🏢 Aldar

Enterprise Client

Leading UAE developer

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Payment Window

QR expiration time

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Uptime

System reliability

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Crypto Networks

BTC · ETH · multi-chain

PAYMENT FLOW ARCHITECTURE

┌──────────────────┐ │ Master Merchant │ (Main Account) └────────┬─────────┘ │ ├──► Sub-Merchant A (5% markup) ├──► Sub-Merchant B (3% markup) └──► Sub-Merchant C (7% markup) Payment Flow: ───────────── ┌──────────────────┐ │ Customer visits │ │ Merchant Website│ └────────┬─────────┘ │ ▼ ┌─────────────────────────────────────────┐ │ Midpay API Request │ │ POST /api/create-payment │ │ { │ │ "merchant_id": "ABC123", │ │ "amount": 100.00, │ │ "currency": "USD" │ │ } │ └────────┬────────────────────────────────┘ │ ▼ ┌─────────────────────────────────────────┐ │ Calculate Final Amount │ │ │ │ Base Price: $100.00 │ │ Merchant Markup: +5% ($5.00) │ │ Total: $105.00 │ │ │ │ Convert to Crypto: │ │ $105 ÷ BTC Price = 0.00235 BTC │ └────────┬────────────────────────────────┘ │ ▼ ┌─────────────────────────────────────────┐ │ Generate QR Code │ │ • Create unique payment address │ │ • Encode amount + address in QR │ │ • Set expiration time (15 mins) │ │ • Return to merchant │ └────────┬────────────────────────────────┘ │ ▼ ┌─────────────────────────────────────────┐ │ Customer Scans & Pays │ │ (Blockchain transaction initiated) │ └────────┬────────────────────────────────┘ │ ▼ ┌─────────────────────────────────────────┐ │ Celery Worker (Background) │ │ • Monitor blockchain for payment │ │ • Verify transaction confirmation │ │ • Validate amount received │ └────────┬────────────────────────────────┘ │ CONFIRMED ▼ ┌─────────────────────────────────────────┐ │ Post-Payment Processing │ │ │ │ 1. Mark payment as complete │ │ 2. Convert crypto to FIAT (if needed) │ │ 3. Calculate fees & commissions │ │ 4. Settle to merchant account │ │ 5. Send webhook notification │ │ 6. Update ledger │ └──────────────────────────────────────────┘ Redis Cache: ──────────── • Payment sessions (fast lookup) • Exchange rates (1-min TTL) • QR code metadata

Python Django Celery Redis PostgreSQL Webhooks

Ankur Saurabh.

01Key Achievements

High-Frequency Trading

Enterprise Clients

AI-Powered Platform

Sub-200ms Execution

02About Me

03Where I've Worked

Backend Engineer & Product Architect @ WisdomAI

Senior Software Developer (Backend) @ MidChains

Python/Django Developer @ TNC IT Blockchain Solution

Software Engineer - Python @ MAAA Info Services

04Featured Projects