Hire the Best POS Terminal Development Specialists
in India

⭐ 5.0 × 2 · Repeat International Client 🏆 Senior Full-Stack Developer 💎 2.5+ Years in Production SaaS & Platforms A full-stack developer who builds systems that work in production, not just in demos. My code ships, scales, and doesn't break at 2 AM. Recent Work: ✔ Fightly (France 🇫🇷) — Backend + admin panel for a real-time sparring-partner platform. NestJS + PostgreSQL + PostGIS geolocation matching, SocketIO real-time layer, multi-role JWT auth. Built the full NextJs admin dashboard. MVP delivered in 10 working days, then hired again for the full platform — 258 hours across two contracts. Now live in production. ⭐ 5.0 on both. ✔ ScrapeX — Sole backend architect across a 7-module marketplace super-app: multi-vendor listings, order/booking workflows, wallet + payments (Cashfree), and a configurable coupon engine. NestJS + PostgreSQL + Redis. Clean module boundaries — frontend integration without rewrites. ✔ Link Drive — Used-car marketplace backend. Full role-based access across 5 user types (Admin, Manager, Inspector, Staff, Customer), a 6-stage inspection pipeline, OTP auth, and dynamic filtering. NestJS + PostgreSQL + NextJs. ✔ E-Commerce Performance (Medkart) — Cut product page load from 2.2s → 50ms (98% faster) with a Redis caching + invalidation strategy. Real measured result. 🚀 Tech Stack Backend: NodeJs, NestJs, Express, Laravel Frontend: React, NextJs Database: PostgreSQL, PostGIS (geolocation apps) Real-time & Infra: SocketIO, Redis, Docker Cloud & Storage: AWS, Cloudflare R2, Supabase Auth & Security: JWT, OTP, OAuth, Rate Limiting Observability: OpenTelemetry, SigNoz Tools: GitHub, Bitbucket, Jira, Slack 💬 What Clients Say: "I had an excellent experience working with Ishwar. From the beginning, he was very professional, responsive, and easy to communicate with. He handled the development very efficiently (NextJs, Supabase, deployment) and took initiative on SEO setup, sitemap submission, and overall structure of the application." — Louis Valentin, Fightly MVP (France 🇫🇷) ⭐ 5.0 "Very very good job from Ishwar Trada — very professional, very fast delivery, and high level work!" — Louis Valentin, Fightly Full Platform (France 🇫🇷) ⭐ 5.0 How I Work: ✅ Daily updates on Slack / Jira ✅ 30+ hours/week availability ✅ Clear documentation — you're never locked in ✅ 2-hour response during working hours Interested? Send me a message with your project details — I'll review and share how I'd approach it.

I help startups, SMEs, and enterprise clients design, build, and scale complex business platforms — from fintech and payments to inventory, invoicing, memberships, and AI-powered automation. With 18+ years of experience in mission-critical systems (Payments, Fintech, POS, remittance, IoT, AI), I lead agile teams to deliver robust, scalable, and secure solutions across cloud and on-premise environments. Core Solutions I Deliver: Payments & Remittance Systems End-to-end payment gateways (APIs, processors, PCI-DSS infra) Mobile-first remittance apps (KYC/AML, Pay-in / Payout / FX, Admin, Compliance) White-labeled payment gateway platforms for ISOs, fintechs, and merchants Inventory Management Platforms Multi-channel inventory sync (web, mobile, POS) Distributor ↔ Retailer integrations Predictive reordering, shelf optimization, low-stock alerts Invoicing & Billing Systems Recurring billing, membership management, revenue recognition Integration with QuickBooks, Sage, and ERPs Payment, refund, chargeback workflows AI-Powered Automation Generative AI platforms (content generation, document automation) Workflow automation to cut costs and increase speed-to-market IoT Cloud Solutions Remote firmware update platforms (OTA, rollback strategies) Device management, campaign control, analytics dashboards Membership & Subscription Platforms Subscription billing, renewals, discount engines, dashboards Secure payment flows, reporting, analytics How I Work: End-to-End Delivery (Architecture, Development, QA, DevOps) Scalable, Compliant, Secure Systems Collaborative & Transparent Project Management Recent Success Stories: RetailTech SaaS: Scaled live inventory platform integrated with POS & predictive AI Remittance App: Full ecosystem from KYC to payouts, FX, and compliance AI SaaS: Automated publication platform for medical/scientific professionals White-Labeled Payment Gateway: Delivered PCI-DSS-compliant multi-tenant platform for global merchants If you’re looking for a partner to help you deliver robust business platforms faster and with confidence — let’s connect.

I’m a Senior Full Stack Developer with 10+ years of experience building scalable SaaS platforms, AI-enabled systems, and cross-platform desktop applications. I specialize in taking products from idea → MVP → production, with strong ownership of architecture, performance, and clean code. ✅ Frontend React.js Next.js (App Router, SSR/ISR) Angular TypeScript Tailwind CSS ✅ Backend Node.js (Express / Fastify / NestJS) Python (FastAPI / Django) REST APIs OAuth / JWT / RBAC Stripe integrations ✅ Desktop Development Electron (Windows & macOS) Cross-platform packaging OS integrations Auto-update systems ✅ AI / LLM Work OpenAI API integration AI SaaS platforms Resume tailoring systems Agentic workflows Prompt orchestration AI-assisted automation ✅ Database & Infra PostgreSQL Supabase MongoDB CI/CD Cloud deployments (AWS / Vercel)

Odoo Certified Project Manager and JAVA Developers Team with experience in big projects in India ,Saudi, Finland, Europe , US and many other countries . We have worked with many other Languages and stacks . also have a very good knowledge of System Administration and complex server architecture design. Hands-off experience in below points: - strong experience developing and implement Odoo v8,v10,v11, v12, v13,v14,v15, v16,v17 ,v18 and v19. -Quick-book integrations, shopify integrations ,Clover integrations with odoo. - strong experience integrating to Odoo both on sh and on-premise - strong experience creating custom apps for Odoo within software - strong experience creating custom web apps of Odoo with tight integration into Odoo - strong experience on client on demand development - strong experience reporting and visualizing on Odoo data structure and tables -Strong Experience Team In clover POS Integrations and App development We developed applications in Spring Framework, Microservices, Struts2, JavaFX, and front end as HTML5/CSS3/JavaScript/ES6/JQuery and ReactJS. Project management and code version control tools are essential for the smooth progress of the project, and we are comfortable in Git, JIRA, Redmine, Bugzilla, Basecamp, and Trello, etc. During this journey from developer to architect, we have enjoyed every moment of it and learned how to develop scalable and robust applications and recently have invested in learning Test Automation, Kubernetes, Mockito, and integrations containing Zapier, Quickbooks, and Zoho, etc you will get all in one solutions from us.

I help businesses build, improve, and maintain web applications that solve real business problems. Whether it's developing a custom web application, SaaS platform, landing page, business portal, integrating third-party APIs, automating workflows, implementing AI solutions, or maintaining an existing system, I focus on delivering reliable, scalable, and maintainable solutions. Over the years, I've worked on startup MVPs, business applications, CRM systems, ERP integrations, payment gateway integrations, AI-powered workflows, Voice AI, backend automation, cloud-based solutions, and custom business software. I enjoy solving complex problems, improving existing applications, and building solutions that help businesses save time and operate more efficiently. What I Can Help You With • Custom Web Application Development • SaaS Platform Development • Landing Pages & Business Websites • REST API Development & API Integration • CRM & ERP Integrations • Payment Gateway Integration • AI Integration & Workflow Automation • Voice AI & Auto Calling Solutions • Twilio, Vapi, Retell AI & VoIP Integrations • Admin Panels & Business Dashboards • Database Design & Backend Development • Performance Optimization • Ongoing Maintenance Backend • PHP • Laravel • CakePHP • CodeIgniter • Zend Framework • Symfony • Golang • Nodejs • Expressjs Frontend • Reactjs • Nextjs • Vuejs • JavaScript • jQuery • HTML5 • CSS3 • Bootstrap • Tailwind CSS Databases • MySQL • PostgreSQL • MongoDB • SQL / PL-SQL • NoSQL Cloud & DevOps • AWS • Google Cloud Platform (GCP) • Docker • Apache • Git • GitHub • GitLab • Bitbucket API & Third-Party Integrations • REST APIs • GraphQL • Webhooks • Stripe • PayPal • Razorpay • Paytm • Google Pay • HyperPay • Flutterwave • Twilio • SendGrid • HubSpot • Zoho CRM • GoHighLevel • Meta APIs • Google APIs • Facebook APIs • LinkedIn APIs • X (Twitter) APIs • PubNub • CallRail • Kixie • WATI • Wufoo • HeyFlow • REsimpli • Apex Chat • Tawk AI & Automation • OpenAI API • ChatGPT API • Claude API • Gemini API • Anthropic AI • Make • Zapier • n8n • AI Workflow Automation • AI Agents • Voice AI • Vapi • Retell AI • OpenAI Realtime API • Function Calling • Webhook Automation Additional Experience • SocketIO • Authentication (JWT & OAuth) • API Versioning • Cron Jobs • Payment Processing • CRM Development & Integrations • SaaS Development • Business Automation • Landing Page Development • WordPress Development • Shopify Development • Performance Optimization • Debugging & Troubleshooting • Maintenance & Support I work across the complete software development lifecycle—from understanding business requirements and planning architecture to development, testing, deployment, and long-term maintenance. Whether it's building a new application, improving an existing system, integrating third-party services, developing AI-powered solutions, or solving complex technical challenges, I focus on writing clean, maintainable code and delivering software that's reliable, scalable, and built for long-term success. Clear communication, attention to detail, and meeting deadlines are important to me. Whether you need a one-time implementation or a long-term development partner, I'd be happy to discuss your project and find the best approach. I look forward to working with you.

I'm a Full Stack Developer with 15+ years of experience, specializing in scalable Web, Mobile, and Desktop solutions. My expertise spans AI/ML, VoIP, Blockchain, IoT, WebRTC, NLP, AI Agents, and cross-platform app development for Windows and Mac. Brief Summary - 15+ years of experience in Web, Mobile, and Desktop App Development - Expert in AI/ML, NLP, VoIP, Blockchain, IoT firmware, and AI Agent development - Proficient in JavaScript, Python, PHP, React, Node.js, AngularJS, Electron, and Flutter - Certified in e-commerce platforms: Shopify and WooCommerce/WordPress - Skilled in cloud platforms (AWS, Azure, GCP) and implementing secure protocols (IAM, Auth0) Development Expertise - AI Agents: Created intelligent solutions for customer support, including: - Voice Bots: Powered by TTS/STT for seamless voice interactions - Video Bots: Real-time video assistance and virtual agents - Chatbots: Built with ChatGPT and custom NLP models for text-based support - Languages: JavaScript, Python, PHP - Frameworks: React, Node.js, AngularJS - App Development: Native Android & iOS, Cross-platform (Mobile/Desktop), and IoT firmware - E-Commerce: Shopify, WooCommerce/WordPress Tools & Processes - Cloud Platforms: Azure, AWS, GCP - Project Management: Agile, Scrum, Kanban - Tools: Jira, Trello, Jenkins, Git, Docker If you're looking for an experienced developer specializing in AI agents and full-stack development, I’m ready to help bring your vision to life. Let’s create something Amazing together!