For over fifteen years, I've architected software platforms that transform complex business operations into scalable digital systems. My expertise spans AI agents, enterprise ERP platforms, cloud-native backends, Flutter applications, AR experiences, and modern full-stack engineering—building technology that automates workflows, improves operational efficiency, and drives measurable business growth.
I design and build end-to-end software platforms that combine AI, enterprise ERP systems, cloud infrastructure, and modern web and mobile applications. My focus is creating scalable architectures that simplify complex business operations while delivering exceptional user experiences.
Over the past fifteen years, I've led engineering teams, architected enterprise platforms, and delivered products across water delivery, logistics, restaurants, hyperlocal marketplaces, fintech, and AI-powered automation. From system design to production deployment, I enjoy solving complex engineering challenges with clean, maintainable, and scalable solutions.
Principal Software Engineer / Technical Architect at Ajial Tech, Saudi Arabia — building React/Node/Python client apps, customizing ERPNext for water delivery, architecting payment servers, and deploying AI agents for support and operations.
Python, Java, TypeScript, JavaScript, Dart, Kotlin, Swift
Node.js, Express, REST & GraphQL, microservices, event-driven architecture
React, Flutter, native Android & iOS, Streamlit
AI agents, LLM integration, n8n automation, AR (ARKit / ARCore)
AWS, DigitalOcean, Heroku, Contabo, Docker, Kubernetes, Terraform
Frappe/ERPNext, payment gateways & servers, OAuth/JWT, SSL
Arduino, Raspberry Pi, embedded systems, sensor integration, microcontroller programming
Own system architecture across full-stack client apps, ERPNext customization, payment servers, AI agents and AR for water-industry clients.
Led a full-stack team across React, Node/Express and Python; directed mobile strategy and introduced Docker-based CI/CD.
Built backend services in Java and Node/Express; shipped native Android/iOS features and mentored junior engineers.
Developed REST APIs and backend services in Python and Java for web and mobile products.
Wrote backend modules and internal tools in Python and Java, building foundations in architecture and testing.
A selection of enterprise platforms, AI products, ERP solutions, mobile applications, and cloud systems delivered over fifteen years of software engineering, technical leadership, and product architecture.
E-commerce mobile app, website and ERPNext platform for a water delivery business — ordering, subscriptions, and billing in one system.
Flutter · ERPNext · PaymentsFederated Flutter AR plugin (ARCore/ARKit) powering a merchant-facing AR treasure hunt platform, with GLB 3D model rendering.
Flutter · ARCore · ARKitSales terminal integrating directly with ERP for real-time inventory, billing and order sync at the point of sale.
POS · ERPNext · REST APIRestaurant management system covering table booking, order flow, kitchen display and billing.
Full Stack · Real-timeAI agents automating HR queries and onboarding alongside finance workflows like invoicing and reconciliation.
AI Agents · LLM · n8nOrganization-wide document management with permissions, search and version control.
Node.js · S3 · Access ControlHyperlocal delivery app aggregating services and retail deliveries into one platform.
Flutter · Geo Search · PaymentsA social platform built for families to stay connected, share updates and coordinate.
React · Node.jsCampaign management dashboard for short-form media with AI-driven performance analytics.
Python · AI · DashboardsHyperlocal advertising platform connecting local businesses with nearby customers.
Full Stack · Geo-targetingAn AI music player that reads a person's mood and plays music to match it.
Python · AI · AudioA social platform designed for friends to stay in touch and share moments.
React · Node.jsA marketplace connecting local organic, dairy and bakery sellers to nearby buyers in Hyderabad.
Frappe · Flutter · Geo SearchWhether you're building an enterprise platform, AI product, ERP solution, or modern cloud application, I'd be happy to discuss how thoughtful architecture can accelerate your business.
✉ rehandev3@gmail.com