🎖️ 𝗢𝘂𝗿 𝗲𝘅𝗽𝗲𝗿𝘁 𝗱𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿𝘀 𝗮𝗿𝗲 𝗱𝗼𝗺𝗮𝗶𝗻 𝗲𝘅𝗽𝗲𝗿𝘁𝘀 𝗶𝗻 🎖️: ⤷ Digital Enterprise both on web and mobile creating standalone and enterprise-level apps with web admin using iOS, Swift, Android, Java, Kotlin, Flutter, blockchain and React Native. ⤷ IT services – Experienced with QA experts (selenium, QTP, Jmeter), UI/UX Developers, Back-end support system, PPC, Link Building, SEO, Digital Marketing, Branding, Data Mining. ⤷ Healthcare (HIPPA, HIX, Tele-health, home care, rehab, dental, EDI, RCM, practice management, Medication & Care Management, Clinical Analytics, adjudication, insurance, reinsurance, preventive care, wellness, health risk assessment) for web/windows/mobile platform for enterprise and small to medium clients. ⤷ Business Automation (CRM, ERP, Service management, compliance, insurance, process flow, off-road/on-road parking systems, food ordering, taxi, ride-sharing, learning, delivering systems, On-demand service, POS). ⤷ In-App Purchase, Stripe SDK, and other payment systems 🛠️ 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀 𝗢𝗳𝗳𝗲𝗿𝗲𝗱: ✔ Web Development Services {​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​PHP (framework like Laravel, Symfony, CodeIgnitor, Yii, CakePHP), CSS3/ HTML5, WordPress, API web services, MEAN stack, E-commerce, Woo-commerce, Magento, Python, React.js, Angular, Node.js, JavaScript}​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​ ✔ Web Design Services (Responsive web design, mobile app design, graphic design (UX/UI), logo design, website redesign) ✔ Mobile App development services (Android, iOS, Native apps, Flutter) ✔ Internet Of Things (Android custom ROM, Geekbox, Raspberry Pi Development) ✔ Software Testing (Manual, Automation Testing) ✔ Digital Marketing (SEO, SEM, SMO, PPC, On Page, Off Page, link building, Ex-plainer video, Brand management) ✔ AdMob, Google Maps, Segment, Iterable, Apollo GraphQL 💁🏼 𝗛𝗼𝘄 𝘄𝗲 𝗰𝗮𝗻 𝗵𝗲𝗹𝗽 𝘆𝗼𝘂: ⤷ Build a Mobile app from idealization to MVP and beyond ⤷ Revive, update or fix existing applications in need of some care and feeding ⤷ Integrate new or existing applications into popular back-ends like Firebase or AWS ⤷ Get previously stalled app development efforts over the finish line ⤷ Consult on feature possibilities, App Store guidelines, and monetization strategies ⤷ Perform code reviews 🏆 𝗢𝘂𝗿 𝗧𝗲𝗮𝗺: We at 𝙊𝙕𝙑𝙄𝘿 𝙏𝙚𝙘𝙝𝙣𝙤𝙡𝙤𝙜𝙞𝙚𝙨, have got a qualified and talented bunch of Management Graduates, Business Analysts, Software Developers, Project Managers, Sales and Marketing professionals, Graphic Designers, Writers for our energetic and productive team. Our management team is a melting pot of talent and experience, drawn from a variety of fields. Their valuable exposure to the workings of international markets helps them clearly understand the global perspectives of our customers. 🗝️ 𝗞𝗲𝘆 𝗮𝗰𝘁𝗶𝘃𝗶𝘁𝗶𝗲𝘀: ⤷ Needs and requirements gathering and analysis ⤷ Data modelling, object-oriented analysis, and design, user interface prototyping ⤷ Software, web, and database development ⤷ Source code quality assurance 💻 𝗗𝗲𝘀𝗶𝗴𝗻 𝗮𝗻𝗱 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 𝗣𝗹𝗮𝗻: The design and development of the whole product will be in phases. ✅ Phase 1: - Wireframes of the applications and Admin Panels: It will clarify the features of the application and also will help us to clarify the number of screens and flow of the application and admin panel. ✅ Phase 2: - UI/UX Designs of the applications and Admin Panels: It will clarify the look and feel of the application and admin panel and give us a better picture of the whole system. It will be a dummy interactive mobile application and admin panel. ✅ Phase 3: - Requirement Specification Documentation: All the requirements, including business, functional, and non-functional requirements, will be written down in the Requirement Specification document and shared with the client for approval. ✅ Phase 4: - Mobile Application and Admin Panel Development: After completing the above three phases, the developers will start working on the project's development according to the UI/UX Designs and requirement documentation. Clients will be able to see the progress of the application too. We will complete the development of mobile applications and the admin panel in milestones. Milestones will be delivered to the client on an agreed date and time.

I’m Waqar, a senior full-stack engineer who lives and breathes Node.js, Python, and React. Over 12 years I’ve shipped 70+ production apps and logged 3.8k Upwork hours, helping startups and enterprises launch fast, scalable products. Backend APIs & Microservices — Express/NestJS (Node) and FastAPI/Flask (Python) with PostgreSQL, MongoDB, Redis. Frontend — Modern React.js & Next.js UIs that load fast and feel smooth on every device. AI Integrations — GPT-4 chatbots, LLM workflows, and ML pipelines that add real intelligence. Cloud & DevOps — Docker, CI/CD, AWS & GCP—zero-downtime deployments, cost-optimized. I value clean architecture, thorough testing, and proactive communication across time zones. If you need a developer who can own the entire stack, infuse AI capabilities, and deliver on time—let’s talk.

I am a Full Stack SaaS Developer specializing in building scalable, subscription-based SaaS products from concept to launch. I help startups, founders, and businesses transform ideas into production-ready software using React, Next.js, JavaScript, TypeScript, Node.js, PostgreSQL, MongoDB, AWS, and modern cloud technologies. Over the years, I have helped companies build SaaS applications, customer portals, CRM systems, ERP platforms, marketplaces, AI-powered products, internal business tools, membership platforms, and workflow automation solutions. My expertise covers the complete SaaS development lifecycle from product architecture and MVP development to scaling, optimization, and long-term maintenance. Whether you're looking to build a new SaaS product, modernize an existing platform, create a customer-facing dashboard, implement subscription billing, or develop a complex multi-tenant application, I can help deliver a secure, scalable, and user-friendly solution. 𝗦𝗮𝗮𝗦 & 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲: ✓ SaaS Product Development ✓ Full Stack Development ✓ Multi-Tenant SaaS Architecture ✓ MVP Development for Startups ✓ B2B SaaS Platforms ✓ B2C SaaS Applications ✓ Enterprise Software Development ✓ Customer Portals & Self-Service Platforms ✓ Subscription-Based Applications ✓ Stripe Billing & Payment Integrations ✓ REST API & GraphQL Development ✓ Authentication & Authorization Systems ✓ Role-Based Access Control (RBAC) ✓ Admin Dashboards & Analytics Platforms ✓ CRM & ERP Development ✓ Workflow Automation Platforms ✓ AI SaaS Applications ✓ API Integrations & Third-Party Services ✓ Database Architecture & Optimization ✓ Cloud Deployment & DevOps ✓ Performance Optimization & Scalability 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀: React.js • Next.js • JavaScript • TypeScript • Node.js • Express.js • NestJS • PostgreSQL • MongoDB • MySQL • Prisma • Supabase • Firebase • AWS • Vercel • Docker • Redis • Tailwind CSS • Material UI • Stripe • OpenAI API • Anthropic Claude API • REST APIs • GraphQL I focus on building software that not only works but is designed for growth, scalability, maintainability, and business success. My goal is to become a long-term technology partner for startups and businesses looking to build world-class SaaS products. 𝗦𝗲𝗮𝗿𝗰𝗵 𝗺𝗲 𝘂𝘀𝗶𝗻𝗴 𝗸𝗲𝘆𝘄𝗼𝗿𝗱𝘀: SaaS Developer, Full Stack SaaS Developer, SaaS Application Developer, SAAS Only, SAAS Development, React Developer, Next.js Developer, JavaScript Developer, TypeScript Developer, Node.js Developer, SaaS Architect, Startup MVP Developer, Software Engineer, Web Application Developer, Product Developer, CRM Developer, ERP Developer, Dashboard Developer, Multi-Tenant SaaS Developer, Subscription Platform Developer, Stripe Integration Expert, API Integration Developer, AI SaaS Developer, Cloud Application Developer, B2B SaaS Developer, SaaS Product Engineer, Full Stack Engineer.

I am a Full-Stack Developer and Architect. I enjoy smarter-than-me teams, clean code, decent architecture, reasonable solutions, contemporary technology, difficulties, and deliberating before acting. When making decisions, I always consider the architecture, maintainability, flexibility, and long-term impacts. I work hard to adhere to all best practices, patterns, and concepts, such as DDD, TDD, SOLID, GRASP, and others, in order to produce the finest outcomes. Even though I am aware that flawless code and great architecture are useless if they are provided after the deadline. My top priorities are the success of the firm and the satisfaction of the clients. WHAT I DO: Building & maintaining web applications using modern JavaScript/TypeScript on any phase of the project's lifetime: - technical requirements - architecture - CI/CD - planning and estimating - high-quality code - code-reviews - interviewing, educating, mentoring KEY QUALITIES: - An analytical outlook - Expertise in software architecture and coding standards/patterns - Constantly abreast of best practices and the most recent technologies. - Quick problem-solving and learning abilities - Good sense of quality/speed balance KEY SKILLS: - HTML, modern CSS, SASS - TypeScript - Angular - React, Redux, React Native, Next.js - Vue, Vue3, NuxtJS - NodeJS, NestJS - Asp.net - C# MVC - .Net core - ExpressJS - GraphQL - Apollo - Prisma - PostgreSQL/MSSQL - MongoDB - WebPack, Babel, Grunt, Gulp - CI/CD & Collaboration Tools

👋 Looking for a powerhouse full-stack engineer who can bridge Python-based AI innovation with Java-backed enterprise performance? I bring 25+ years of professional full stack software development experience-combining backend architecture, enterprise Java systems, AI/ML engineering, and modern frontend frameworks into scalable, data-rich applications for finance, healthcare, retail, manufacturing, and government sectors. With over 100 full-stack systems delivered, I've built mission-critical platforms and real-time analytics engines handling millions of events per day, while reducing operational costs by up to 65% through infrastructure optimization. 🏆 Why Work With Me? ✔️ 25+ years of enterprise-grade software development ✔️ 40+ Python projects using AI/ML for analytics, automation, and computer vision ✔️ 60+ Java systems modernized to Spring Boot, AWS & microservices ✔️ Built backend systems serving 10M+ users monthly ✔️ AI-based fraud detection systems with 98%+ accuracy ✔️ Scaled apps to handle 1M+ real-time events/second using Kafka, EventBridge, and Spark ✔️ Healthcare-grade imaging tools for tumor classification (TensorFlow + OpenCV) ✔️ 50+ legacy migrations from J2EE/Struts to microservices ✔️ Deployed full-stack apps across 20+ industries, including fintech, eCommerce, telecom, and eLearning ✔️ CI/CD pipelines & Dockerized monorepos for faster dev cycles and better team velocity 🧠 Tech Stack & Core Skills 🖥️ Languages: Python, Java, TypeScript, JavaScript, HTML5, CSS3, SQL, Shell Scripting 🧠 Python AI/ML & Automation: TensorFlow, PyTorch, OpenCV, Scikit-learn, NumPy, Pandas, Matplotlib AI Workflows | Computer Vision | Predictive Analytics | Data Pipelines | Image Recognition | Fraud Detection Automation using Python + Selenium, BeautifulSoup, Scrapy ☕ Java Enterprise Stack: Spring Boot, Spring Cloud, Hibernate, Akka, Play, Grails Java Microservices | RESTful APIs | SOAP | JMS | JPA | Quartz | Lombok Legacy Refactoring | J2EE → Spring Boot | Tomcat | WildFly | WebLogic 📊 Frontend (Full-stack Scope): Angular.js, Vue.js, React.js, Next.js, Svelte Tailwind, Bootstrap, Material-UI | JSP | Thymeleaf | JSF | EJS SPA Development | SSR/ISR | Responsive UI | Webpack, Vite, Gulp 📦 DevOps & Cloud: Docker, Kubernetes, AWS (Lambda, SageMaker, EC2, S3, Kinesis, RDS), GCP, Azure CI/CD: Jenkins, GitLab CI, Travis, Ansible, Terraform Infrastructure as Code | Monitoring | Cost Optimization 📚 Data & Databases: PostgreSQL, MySQL, Oracle, MSSQL, SQLite, MongoDB, Cassandra, Dynamo DB Elasticsearch, Redis, Kafka, RabbitMQ, GraphQL, REST APIs 📌 Python & AI-Focused Solutions 🔹 AI-Based Automation for Workflow Optimization 🔹 Real-Time Object Recognition & Computer Vision Systems 🔹 Predictive Analytics for Retail, Logistics, and Healthcare 🔹 NLP Chatbots and Intelligent Assistants 🔹 Data Crawlers & Scrapers for eCommerce & SEO 🔹 Data Normalization Pipelines Handling 1TB+ Datasets 📌 Java & Enterprise Software Development 🔹 Full-stack Java + Angular/Vue platforms 🔹 Spring Boot Microservices for Finance, Healthcare, SaaS 🔹 Event-Driven Architectures with Kafka & Redis 🔹 Secure Auth (JWT, OAuth2, LDAP, SSO, 2FA) 🔹 Migrating Monoliths to Microservices (Cloud-Native Refactors) 🔹 Server-Side Java with JSP, JSF, and Servlet APIs 📌 Full-stack Projects Built from Scratch 🔹 Inventory Management System (Java + Vue + AWS) 🔹 Medical Diagnosis Dashboard (Python + Django + React) 🔹 Financial Fraud Detection Engine (PyTorch + Kafka) 🔹 Real Estate Listing Platform (Flask + Angular + PostgreSQL) 🔹 ERP Extensions for Manufacturing (Spring Boot + Thymeleaf) 💬 Results That Matter ✅ Built an AI-based inventory forecasting engine reducing stock outs by 42% ✅ Scaled a Java backend to handle 5M+ daily requests for a logistics app ✅ Migrated 3 legacy apps to AWS with 65% infra cost reduction ✅ Automated scraping workflows gathering 10M+ data points weekly ✅ Designed OCR pipeline (Python + Tesseract) for medical record digitization ✅ Delivered HIPAA-compliant image analysis tools with 95%+ detection accuracy ✅ Cut fraud risk 75% for fintech app using real-time anomaly detection 💼 Industries Served 🏥 Healthcare & Diagnostics 💳 Fintech & Insurance 🛍️ eCommerce & Dropshipping 🏗️ Manufacturing & Supply Chain 📚 EdTech & LMS Platforms 🛰️ Gov & Aerospace (including secure environments) 🏢 Enterprise SaaS & Internal Tools Let’s build the next enterprise success story together. 💬 Message me to discuss your backend, AI/ML, or full-stack project! 🧩 Let’s Build Something Powerful If you’re seeking a seasoned backend + full-stack expert who can turn complex business logic into reliable, scalable, and secure digital solutions - I’m your guy. ----------------------

Top Rated Plus | Full Stack .NET Developer | AI Automation Developer & AI Consultant | Azure & AWS | SaaS & E-Commerce I’m a Top Rated Plus Full Stack .NET Developer and AI Automation Developer with 10+ years of experience building scalable SaaS applications, AI-powered systems, and enterprise-grade web applications for global companies including P&G, BD, and HCL. I help businesses automate workflows, modernize legacy .NET systems, and build AI-enabled products using .NET / C# / ASP.NET / Azure / AWS / React / AI integrations. With 120+ successful projects, I’m typically brought in when performance, scalability, or automation really matters. ✔ Full Stack .NET Development: .NET / .NET Core / C# / ASP.NET / SQL Server / REST APIs / Microservices ✔ AI Automation & AI Integration: OpenAI / ChatGPT APIs / Workflow Automation / Intelligent Systems ✔ Cloud Development: Azure / AWS / Docker / CI/CD / Cloud Optimization ✔ SaaS Application Development: Scalable architecture / Multi-tenant systems / Secure APIs ✔ React / Angular / TypeScript / JavaScript ✔ Responsive UI / Performance Optimization / UX Improvements ✔ Shopify / WooCommerce / Custom E-Commerce Platforms ✔ Payment Gateways / ERP & CRM Integrations / Conversion Optimization I help companies move from “We want AI” to “This is the right AI solution for our business.” 🔹 AI opportunity identification & automation strategy 🔹 Technical feasibility & ROI analysis 🔹 Tool, model & architecture selection 🔹 MVPs, PoCs & production AI deployments 🔹 Scalable AI implementation roadmaps Once the strategy is clear, I build custom software and production-ready, scalable systems: ✅ Custom .NET web applications ✅ AI-powered features & integrations ✅ Automation pipelines that reduce manual work ✅ Secure APIs & third-party integrations ✅ Cloud-native systems built for scale Every solution is designed with performance, maintainability, and long-term growth in mind. Full Stack Developer, .NET Developer, ASP.NET Developer, C# Developer, Azure Developer, AWS Developer, AI Automation Developer, AI Consultant, SaaS Developer, Custom Software Development, API Integration, Microservices Architecture, Cloud Engineer, Shopify Developer, WooCommerce Developer, React Developer, Angular Developer, DevOps Engineer, CI/CD, Secure Web Applications, Enterprise Software Development

𝐄𝐑𝐏 𝐂𝐨𝐧𝐬𝐮𝐥𝐭𝐚𝐧𝐭 || 𝐂𝐮𝐬𝐭𝐨𝐦 𝐁𝐮𝐬𝐢𝐧𝐞𝐬𝐬 𝐏𝐥𝐚𝐭𝐟𝐨𝐫𝐦𝐬 𝐄𝐱𝐩𝐞𝐫𝐭 || 𝐄𝐧𝐭𝐞𝐫𝐩𝐫𝐢𝐬𝐞 𝐖𝐞𝐛 & 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 || 𝐇𝐑𝐌𝐒, 𝐀𝐜𝐜𝐨𝐮𝐧𝐭𝐢𝐧𝐠, 𝐀𝐓𝐒, 𝐃𝐨𝐜𝐮𝐦𝐞𝐧𝐭 𝐌𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭 𝐒𝐲𝐬𝐭𝐞𝐦, 𝐏𝐫𝐨𝐩𝐞𝐫𝐭𝐲 𝐌𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭, 𝐁𝐨𝐨𝐤𝐢𝐧𝐠 𝐒𝐲𝐬𝐭𝐞𝐦 ERP Expert with 10+ years of expertise building custom business platforms, ERP systems, HRMS, accounting solutions, and workflow automation. With 10+ years of experience in ERP consulting, business process automation, and custom software development, I help organizations transform complex operations into scalable, efficient, and data-driven digital ecosystems. I specialize in designing and developing enterprise-grade web applications, mobile applications, ERP systems, and custom business platforms tailored to unique business requirements. From requirement gathering and business process analysis to architecture design, development, integration, deployment, and support, I work closely with stakeholders to deliver solutions that improve efficiency, reduce operational costs, and drive business growth. Whether you're a startup building an MVP, a growing business streamlining operations, or an enterprise modernizing legacy systems, I can help translate your business vision into a powerful technology solution. Expertise / Core Systems 𝐄𝐑𝐏 𝐂𝐨𝐧𝐬𝐮𝐥𝐭𝐚𝐭𝐢𝐨𝐧 & 𝐄𝐧𝐭𝐞𝐫𝐩𝐫𝐢𝐬𝐞 𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬 • ERP Consultation & Digital Transformation • Business Process Analysis & Optimization • Business Requirement Documentation (BRD) • Software Requirement Specification (SRS) • Workflow Automation & Process Reengineering • Enterprise System Architecture Design • Multi-Department ERP Implementation 𝐇𝐑𝐌𝐒 & 𝐖𝐨𝐫𝐤𝐟𝐨𝐫𝐜𝐞 𝐌𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭 • Human Resource Management Systems (HRMS) • Payroll Management Software • Leave Management Systems • Time & Attendance Tracking • Performance Management Systems • Employee Self-Service Portals • Recruitment & Onboarding Automation 𝐑𝐞𝐜𝐫𝐮𝐢𝐭𝐦𝐞𝐧𝐭 & 𝐓𝐚𝐥𝐞𝐧𝐭 𝐌𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭 • Applicant Tracking Systems (ATS) • Candidate Management Platforms • Interview Scheduling Systems • Recruitment Workflow Automation • Talent Acquisition Dashboards 𝐅𝐢𝐧𝐚𝐧𝐜𝐞 & 𝐀𝐜𝐜𝐨𝐮𝐧𝐭𝐢𝐧𝐠 𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬 • Accounting Systems • Financial Management Platforms • Invoicing & Billing Systems • Expense Management Solutions • Budgeting & Forecasting Tools • Accounts Payable & Receivable Automation • Financial Reporting Dashboards 𝐏𝐫𝐨𝐩𝐞𝐫𝐭𝐲 & 𝐅𝐚𝐜𝐢𝐥𝐢𝐭𝐲 𝐌𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭 • Property Management Systems • Real Estate Management Platforms • Lease Management Solutions • Tenant & Owner Portals • Maintenance Management Systems • Rental Booking Platforms 𝐏𝐫𝐨𝐣𝐞𝐜𝐭 & 𝐎𝐩𝐞𝐫𝐚𝐭𝐢𝐨𝐧𝐬 𝐌𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭 • Project Management Systems • Task & Resource Management • Timesheet Management • Service Management Platforms • Ticketing & Helpdesk Systems • Asset Management Systems 𝐃𝐨𝐜𝐮𝐦𝐞𝐧𝐭 & 𝐊𝐧𝐨𝐰𝐥𝐞𝐝𝐠𝐞 𝐌𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭 • Document Management Systems (DMS) • Digital Approval Workflows • Contract Management Solutions • Knowledge Base Platforms • Enterprise Content Management 𝐁𝐨𝐨𝐤𝐢𝐧𝐠 & 𝐄𝐯𝐞𝐧𝐭 𝐌𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭 • Booking Systems • Reservation Platforms • Appointment Scheduling Solutions • Event Management Systems • Venue Management Platforms 𝐄-𝐂𝐨𝐦𝐦𝐞𝐫𝐜𝐞 & 𝐂𝐮𝐬𝐭𝐨𝐦𝐞𝐫 𝐏𝐨𝐫𝐭𝐚𝐥𝐬 • E-Commerce Platforms • Marketplace Development • Customer Self-Service Portals • Vendor Management Systems • Subscription Management Solutions • Order Management Systems 𝐀𝐧𝐚𝐥𝐲𝐭𝐢𝐜𝐬 & 𝐑𝐞𝐩𝐨𝐫𝐭𝐢𝐧𝐠 • Dashboard Development • Executive Reporting Systems • KPI Tracking Platforms • Business Intelligence Solutions • Data Visualization & Analytics • Real-Time Monitoring Dashboards 𝐄𝐑𝐏 & 𝐄𝐧𝐭𝐞𝐫𝐩𝐫𝐢𝐬𝐞 𝐏𝐥𝐚𝐭𝐟𝐨𝐫𝐦𝐬 • Odoo ERP • ERPNext / Frappe • SAP Integrations • Microsoft Dynamics Integrations 𝐏𝐫𝐨𝐯𝐞𝐧 𝐑𝐞𝐬𝐮𝐥𝐭𝐬 • Automated manual workflows, reducing operational effort by up to 70% • Built enterprise ERP solutions supporting thousands of daily transactions • Reduced administrative processing time by 50–80% through automation • Delivered centralized business platforms replacing multiple disconnected systems • Improved reporting accuracy and executive visibility through real-time dashboards • Streamlined HR, finance, operations, and customer management processes • Successfully implemented scalable solutions across startups, SMBs, and enterprise organizations 𝐖𝐡𝐲 𝐁𝐮𝐬𝐢𝐧𝐞𝐬𝐬𝐞𝐬 𝐂𝐡𝐨𝐨𝐬𝐞 𝐌𝐞 • 10+ years of ERP consulting and enterprise software expertise • Strong understanding of business operations across multiple industries •. Ability to translate business requirements into scalable technical solutions

🚀 AI Engineer | Full-Stack Developer | LLM & RAG Specialist | Chatbots, Automation & Scalable Web/Mobile Apps Businesses that move fast on AI win. I help companies design and ship AI-powered products, intelligent assistants, and full-stack platforms from idea to production, without the back-and-forth. I'm a Full-Stack & AI Engineer with 10+ years building real systems. I combine LLMs, RAG pipelines, and modern web/mobile stacks to create software that actually works in the real world. ── AI & LLM Engineering ── • RAG systems, AI chatbots & knowledge assistants • LLM integration (GPT-4, Claude, Gemini) & prompt engineering • AI agents, document processing & workflow automation • Vector databases: Pinecone, Weaviate, FAISS ── Full-Stack Development ── • MERN stack (MongoDB, Express, React, Node.js) • REST & GraphQL APIs, microservices • PHP / Laravel — legacy systems & custom backends • SQL (PostgreSQL, MySQL) & NoSQL databases ── Mobile & Cloud ── • Cross-platform mobile apps (React Native / Flutter) • AWS, Docker, CI/CD, scalable cloud deployment ── Automation & Integrations ── • Python pipelines, FastAPI, Django • Make, Zapier, Stripe, Twilio, WhatsApp API ── What You Get ── ✔ Production-ready code, not prototypes ✔ Clear communication & zero hand-holding needed ✔ A senior engineer who owns the project end-to-end Let's build something great !!!

About Me I have 25+ years of experience in partial CTO, CEO, Mobile App Development Project Management, specializing in Android, iOS, & Cross-Platform App Development using Java, Kotlin, Swift, Objective C, React Native, Redux Flutter, Firebase, Mongo Db, User Authentication, EHR, FHIR, HL7, HIPAA compliance, Typescripts, and AI-driven applications. My expertise spans iOS & Android development, AI-powered solutions, seamless authentication systems, and full-stack capabilities, ensuring modern, high-performance apps for businesses of all sizes. Our Agency Since July 2017, my wife, our talented 55+ team members, and I have been delivering world-class digital solutions. - 150+ apps successfully delivered across multiple platforms in the last year - $4M+ turnover on Upwork - 500+ successful projects, 15,000+ hours worked - Close to a 100% success rate - Worked with 7, 8, and 9-figure businesses Our Expertise Mobile App Development • Android, iOS, & Cross-Platform Apps (Java, Kotlin, Swift, Objective C, React Native, Flutter) Web & Full Stack Development • Front-End: React.js, Angular.js, Next.js, WebRTC • Back-End: Node.js, Firebase, MongoDB, PostgreSQL • Cloud Deployment & API Integrations E-commerce & CMS Development • Shopify Developer & Customization • WordPress Developer & WooCommerce Solutions UI/UX Design & Branding • Adobe XD, Figma, Photoshop, Sketch Digital Growth & Security • SEO & Digital Marketing Optimization • Data Security & Intellectual Property Protection Intellectual Property Services • Trademark & Copyright Assistance Why Choose SolidAppMaker? - Tailored Approach: Every project is customized to fit your needs and budget. - Agile Workflow: Regular updates, milestones, and transparent communication. - High-Quality Development: Rigorous testing & performance optimization. - Competitive Pricing: Top-tier services at fair and transparent pricing. - Proven Track Record: Experience with MVPs, SaaS platforms, AI-driven apps, and enterprise solutions. Why SolidAppMaker Stands Out - 8+ years of expertise in UI/UX, mobile apps, SaaS & web development - 510+ projects successfully completed for startups & enterprises - 10+ awards & recognitions, featured on Upwork & top design platforms - 50+ countries served, delivering top-tier prototyping & development solutions Proven Results: - SaaS UI/UX enhancements boosted retention by 60% - Mobile UI redesigns reduced churn by 40% - Web App UX improvements increased task completion by 90% - eCommerce UI revamps increased sales by 70% Industries We Cover Healthcare, Transport, Retail, Asset Management, Real Estate, Dating, Nature/Wildlife, Rental, Food Delivery, Fintech / Finance and Banking, Cryptocurrency, Entertainment, Hospitality, Logistics, Manufacturing, Media and Publishing, Non-Profit, Sports and Fitness, Travel and Tourism, Utilities, Wellness, Medical Dashboard, Marketplace, Advertising, Automotive, Business Innovations, Ecology, Human Resources, LegalTech, Lifestyle, Fashion, Marketing, Navigation, Education, E-learning. Highlighted Skills Project Planning, MVC Architecture and RESTful APIs, Front-end Technologies (React.js, HTML5, CSS3, JavaScript), Responsive and Mobile-first Design, Database Design and Implementation (MongoDB, Firebase), User Authentication, Integration of Third-party APIs, Deployment to Cloud Platforms (AWS), Test-driven Development, Agile Methodologies (Scrum, Kanban), Security Technologies, QR Code Scanner, GPS and Mapping, Blockchain and NFT, ChatGPT and Artificial Intelligence. Flutter Developer 10+ years of experience As a Mobile App Developer and Full Stack Developer with deep expertise in SaaS Mobile App, ReactNative App I bring over a decade of experience in building high-performance cross-platform mobile application. As a talented Flutter Developer with good knowledge of cross-platform development, I specialize in crafting high-performance mobile apps for both iOS and Android platforms. I made more than 400 apps using Flutter. Flutter is my main tech stack, I helped dozens clients making top-performing apps using Flutter. I am a dedicated mobile app developer with extensive experience building cross-platform apps in Flutter, React Native, and Expo. As a full stack developer, I combine clean front-end design with robust back-end systems using Laravel, Node.js, or Firebase to deliver high-performance mobile solutions. FlutterDeveloper MobileApp AndroidDevelopment IOSDeveloper. Next Steps – Let’s Build Something Amazing! 📅 Would you be available for a 30-60 minute free consultation? During this meeting, we will: - Go over your project goals, technical needs, and budget. - Provide a project plan with a timeline and cost estimate. - Discuss the best development approach to fit your vision. 📩 Send me a message, and I’ll share the Upwork scheduler link so we can set up a time that works best for you. Looking forward to collaborating and creating something extraordinary! Best regards, John H Fijen

Top Rated Plus Full-Stack Developer | Top 3% on Upwork Mobile Apps (iOS & Android) · Flutter · React Native · AI Apps · SaaS · Custom Software · Web Apps 100% Client Satisfaction - Delivered, every time. With over 15 years of freelancing experience delivering real, measurable solutions, I built more than a career; I built IT Infonity, an in-house team of dedicated experts united by a shared commitment to creative thinking, high-quality design, & development that tells your story & strengthens your bottom line. Having successfully delivered 200+ mobile apps, AI-powered applications, & web solutions for startups, SMBs, & enterprises worldwide, we specialize in turning bold ideas into scalable, intelligent digital products. From AI-driven mobile and web platforms powered by OpenAI, Claude & LangChain to cross-platform apps built with Flutter, React Native, & Swift backed by a full modern stack every solution we deliver is architected for performance, built for scale, and tailored to reflect exactly who you are and where you're going. A key testament to the quality & adoption of my work is that the applications and products I have developed have collectively achieved 2M+ downloads, demonstrating strong user engagement, reliability, and market success. Whether you need a complete product build, team augmentation, platform modernization, or a scalable MVP, I bring the technical expertise, strategic thinking, & execution capability required to deliver results that drive business growth. ⭐ 𝐖𝐡𝐲 𝐂𝐥𝐢𝐞𝐧𝐭𝐬 𝐂𝐡𝐨𝐨𝐬𝐞 𝐌𝐞 ◉ Full project ownership — From your first idea through launch every stage, fully managed. ◉ Clean, production-ready code — Scalable architecture built to grow with your product. ◉ Transparent communication — Clear updates and fast response times you're never in the dark. ◉ Rigorous QA & testing — Thorough quality assurance before anything ships. ◉ Post-launch support & maintenance — Reliable free support after go-live. ◉ Secure, compliance-ready development — Built to meet GDPR, HIPAA, and age-restricted system requirements from day one. ⭐ 𝐓𝐞𝐜𝐡 𝐒𝐭𝐚𝐜𝐤𝐬 ◉ Cross-Platform App Development: React Native | Flutter ◉ Native App Development: Swift | Kotlin | Java ◉ Frontend Development: React.js | Next.js | Angular | JavaScript | TypeScript | HTML5/CSS3 | Tailwind CSS | Bootstrap ◉ Backend Development: Node.js | Python | FastAPI | Django | Nest.js ◉ Databases: MongoDB | PostgreSQL | MySQL | Firebase | Supabase ◉ CMS & E-Commerce: WordPress | WooCommerce ◉ API Integrations: REST APIs | GraphQL | Google/Apple Maps | Twilio, Plivo, Elevenlabs, VAPI | Stripe, PayPal & Razorpay | Firebase | Fedex & UPS | Social Media & Auth APIs ◉ AI & Automation: OpenAI API | LangChain | AI Agents | Workflow Automation | RAG (Retrieval-Augmented Generation) | Vector Databases ◉ Cloud & DevOps: AWS | Docker | CI/CD | Vercel etc. ⭐ 𝐓𝐫𝐮𝐬𝐭𝐞𝐝 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐲 𝐏𝐚𝐫𝐭𝐧𝐞𝐫 𝐀𝐜𝐫𝐨𝐬𝐬 𝐈𝐧𝐝𝐮𝐬𝐭𝐫𝐢𝐞𝐬 ◉ Healthcare with HIPAA compliance ◉ Fitness & Wellness App ◉ FinTech Apps (TaxDome, Cash App, Venmo, Paypal, Stripe like App) - IRS Compliance ◉ Grubhub like App ◉ Restaurant App/DoorDash clone ◉ Uber like Apps ◉ Event Planning & Booking (Eventbrite like app) ◉ Bakery, Cafe & Restaurant Management ◉ Messaging & Communication Apps (WhatsApp Clone) ◉ Social Networking & Community Apps similar to Facebook & YouTube ◉ Dating Apps (Tinder like app) ◉ Real Estate & Property Management ◉ Salon Booking & Beauty Service ◉ E-Commerce Marketplace ◉ Education App ◉ Travel & Hospitality ◉ Logistics & Delivery Management ◉ Job Portals ◉ Sports & Entertainment Apps Partner With Me For: Mobile App Development | AI Mobile App Development | AI App Development | iOS App Development | Android App Development | iPad/iPhone App Development | Web App Development | Custom App Development | Cross-Platform App Development | Hybrid App Development | MVP Development | SaaS App Development | Flutter | React Native | Node.js | Python | PHP | Angular | MEAN Stack | WordPress | Firebase | AI/ML Development | Agentic AI Development | AI Agent Development | OpenAI/GPT Integration | Claude AI Integration | Llama Development | AI-Enabled Platforms | Automation | Healthcare App Development | Fintech App Development | EdTech App Development | eCommerce App Development | Real Estate App Development | Fitness App Development | Logistics App Development | Social Media App Development | Fantasy App Development | Dating App Development | API Development & Integration | Application Tracking System | Marketplace App Development | Supabase | Next.js | NestJS | On-demand App Development | Vue.js | Django | Flask | Laravel | Express.js | TypeScript | MongoDB | PostgreSQL | MySQL | LLM Integration | RAG System Development | LangChain | LlamaIndex | AI Chatbot Development | AI Voice Agent | AutoGen | OpenAI API Integration | Gemini API Integration | AI-Powered SaaS | Vercel | Google Cloud Platform | REST API | Agentic Workflow | PWA | CMS