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Full Stack AI SaaS Engineer | Building Cloud-Native, AI-Driven SaaS Platforms | Java/Spring Boot, LLMs, AWS & GCP, React, Next.js, Flutter I’m Shahzad, a Certified Java Architect with 10 + years of experience building scalable, high-performance SaaS applications, now focused on integrating AI and automation into modern cloud products. I’ve engineered AI-powered SaaS platforms that combine conversational intelligence, LLM pipelines, and serverless cloud infrastructure. My passion is turning complex workflows into simple, intelligent, user-friendly applications that scale globally. ------------------------------------------------ What I Build: AI-Driven SaaS Products: Multi-tenant cloud apps powered by LLMs (GPT, Claude), RAG, and custom ML APIs Conversational & Voice AI Agents: Twilio + n8n + GPT workflows for 24/7 automation (healthcare, enterprise) Data Intelligence Apps: predictive analytics, anomaly detection, recommendations, and real-time dashboards Cloud-Native Architectures: Java/Spring Boot microservices, REST/GraphQL APIs, and event-driven backends ------------------------------------------------ Core Stack: Backend & Cloud: Java (8 → 25), Spring Boot 3, AWS (Lambda, S3, RDS), GCP (BigQuery, Vertex AI), Docker, Kubernetes AI/ML: Vertex AI, OpenAI API, BigQuery ML, Python (NumPy, Pandas, Scikit-learn), RAG, LLM Integration Frontend: React, Next.js, TypeScript, Tailwind, Flutter (for cross-platform mobile apps) Integrations: Twilio, Stripe, Shopify, BigCommerce, REST/SOAP APIs, Kafka, RabbitMQ ------------------------------------------------ DevOps & Data: CI/CD pipelines with GitHub Actions & Jenkins Cloud monitoring & observability (CloudWatch, GCP Logging) SQL (PostgreSQL, MySQL) & NoSQL (MongoDB, Redis) ---------------------------------------------------- Certifications: Oracle Certified Java Programmer (2022) AWS Certified Developer – Associate (2023) Amazon Machine Learning Specialty (2023) Spring Boot 3 & Spring 6 Architect (2020) SAS Programming Essentials (2023) ------------------------------------------------ Let’s Build Something Smart: Whether you’re launching an AI-powered SaaS platform, a voice or chat agent, or a data-driven product, I can help you design and deliver a system that’s intelligent, scalable, and future-ready.

My devotion for developing web applications goes far beyond the fundamentals. My services are tailored to fit every business, showcase every brand, and bring ideas to life. Delivering only the best for clients. An application that genuinely adds value, and a cutting-edge design that stands out from the crowd. Experienced Full-Stack Web App Developer. For the past 8 years, I've been developing outstanding websites and web applications. I will bring all stages of your Web App Development to life. ✏️ Backend: - PHP, Laravel, Custom Framework, Lumen - Tenancy for Laravel, Spatie packages - Java, Spring ✏️ Frontend: - Vue.js, Vuex, Vuetify, Buefy, Nuxt.js, Element ui - Webpack, babel - Bootstrap, Tailwind css - jQuery, Datatables, Mapbox.js ✏️ Databases: - MySQL, PostgreSQL ✏️ Tools: - Git, Github, Jira My passion is web development. In this sector, I have the ability to produce highly desirable solutions. I would be delighted to support you in turning your concept into reality by creating a modern and appealing web application. I’m excited to be a part of your initiative and am genuinely interested in building a long-term relationship where I can continue to support your evolving goals and contribute to your project’s success over time. If you’re looking for a reliable and skilled developer to bring your vision to life, feel free to invite me to your project. I’d love to learn more about what you’re building.

Since **1991**, I've been helping government agencies and private companies solve complex business problems through custom software, database design, reporting, and systems integration. With over **30 years of hands-on experience**, I specialize in understanding existing business systems, improving them, and delivering practical solutions that continue to support organizations for years to come. I am equally comfortable designing new functionality, troubleshooting production issues, optimizing SQL, migrating data, or modernizing legacy applications. For the past **4+ years**, I have worked extensively with **ERP and CRM environments**, partnering directly with customers to resolve technical issues, improve business processes, support implementations, and translate business requirements into effective technical solutions. My role combines software development with daily customer interaction, technical consulting, and problem solving. My experience includes: * Oracle PL/SQL, SQL Server, Microsoft Access, MySQL * Database architecture, optimization, administration, and performance tuning * Java, JSP, ASP.NET, C#, HTML, CSS, JavaScript * Crystal Reports and JasperReports * Data migration, ETL, reporting, and data warehousing * ERP and CRM integrations * Legacy application maintenance and modernization * Windows and Linux (Ubuntu/Mint) environments * User training, documentation, and production support I have built and maintained software supporting government ministries, manufacturing, forestry, and other business sectors where reliability, data integrity, and long-term maintainability are essential. Clients value my ability to quickly understand unfamiliar systems, identify root causes of complex issues, communicate clearly with both technical and non-technical stakeholders, and deliver solutions that are practical, maintainable, and aligned with business needs. Whether you need a database expert, SQL optimization, report development, legacy system enhancements, ERP/CRM support, or someone who can step into an existing application and become productive quickly, I bring three decades of real-world experience to every project.

As an accomplished Full-Stack Developer and Java Desktop Expert, I bring over 10 years of experience in designing, developing, and delivering exceptional web and desktop software solutions for clients worldwide. My passion for technology and commitment to quality enable me to create powerful, user-friendly applications that meet diverse business needs and streamline operations. With expertise in web technologies like React, Node.js, and custom WordPress development, as well as Java desktop application development using Swing and JavaFX, I offer a comprehensive range of services to address your unique requirements: Services I provide include: Full-Stack web development (React.js, Node.js, Angular, Vue.js) Java desktop application development (Swing, JavaFX, AWT) Custom WordPress theme & plugin development Cross-platform software solutions for Windows, macOS, and Linux Responsive web design and development E-commerce solutions (WooCommerce, Shopify, Magento) Database design and integration (MySQL, PostgreSQL, SQLite, Oracle) API integration and development Multi-threading and performance optimization Maintenance, support, and troubleshooting I pride myself on my strong problem-solving skills, attention to detail, and effective communication. My dedication to client satisfaction has led to numerous successful projects and consistent 5-star reviews on Upwork. I maintain transparency and provide regular updates throughout the development process, ensuring a seamless and collaborative experience. Let's work together to create innovative web and software solutions that elevate your business and set you apart from the competition!

PROJECTS Quest of the RoundTable (available on request) * Engineered a card game application utilizing JavaFX for the user interface and the Model-View-Controller (MVC) architecture to maintain a clear separation of concerns and enhance maintainability. * Developed complex game logic by rigorously applying object-oriented programming principles, ensuring robust and scalable code that effectively models game mechanics and interactions. * Collaborated with team members through Git for efficient version control, coordinated code integration, and conducted comprehensive unit and integration testing using JUnit to guarantee application reliability and performance. Youtube to MP3 Web-App (available on request) * Developed a YouTube to MP3 web application with Next.js for the front end and Flask with Python libraries for the back end.