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˜”*°•.˜”*°• 1️⃣5️⃣0️⃣+ 𝐂𝐨𝐦𝐩𝐥𝐞𝐭𝐞𝐝 𝐏𝐫𝐨𝐣𝐞𝐜𝐭𝐬. •°*”˜.•°*”˜ 150+ Projects Completed | Expert-Vetted Web, AI & Mobile App Developer Hi, I’m Harvinderjeet — a senior Web Designer, UI/UX Designer and Full-Stack Developer with 10+ years of experience turning ideas into high-quality digital products. I design and develop websites, eCommerce stores, mobile apps, AI-powered solutions and custom web applications that are not only visually impressive, but also fast, intuitive, scalable and built around real business goals. From a simple website redesign to a complex SaaS platform or AI-powered application, I can take your project from concept and strategy through design, development, integrations, testing and launch. ━━━ WHAT I DO ━━━ ◆ Web Design & Development Modern, responsive and conversion-focused websites built around your brand, audience and business objectives. • WordPress & WooCommerce • Shopify & Shopify Plus • Webflow • Squarespace • Wix • Custom Website Development • Website Redesign & Revamp • eCommerce Development • Figma to Website Development ◆ UI/UX Design I create clean and intuitive digital experiences with a strong focus on usability, visual hierarchy and conversion. • UX Research • User Flows & Information Architecture • Wireframes • Figma UI Design • Interactive Prototypes • Responsive & Mobile-First Design • Design Systems • Interaction & Micro-Animation ◆ AI Development & Automation I help businesses integrate AI into products and workflows to automate repetitive tasks, improve customer experiences and create smarter digital products. • AI Agents • AI Chatbots • Voice AI & Voice Agents • OpenAI & Gemini • LLM Integrations • LangChain • AI Automation • AI-Powered SaaS • Intelligent Search & Recommendations • Document & Data Processing • Custom AI Integrations ◆ Mobile App Development I design and develop modern iOS and Android applications for startups, businesses and digital products. • iOS & Android Apps • React Native • Flutter • Expo • Mobile UI/UX • API & Backend Integration • Payments • Push Notifications • Location & Maps • Camera & Media Features • AI-Powered Mobile Apps • App Store & Google Play Deployment ◆ Custom Web Applications For projects that require more than a traditional CMS, I build scalable applications using modern technologies such as React, Next.js, Node.js, PHP, Laravel, Python, FastAPI, MySQL, PostgreSQL, MongoDB and Firebase. ━━━ HOW I WORK ━━━ I don't believe in taking a one-size-fits-all approach. I start by understanding your business, users and objectives, then define the right UX, technology and development strategy for the project. My process typically covers: → Discovery & Requirements → UX / Information Architecture → Figma Design & Prototyping → Development & Integrations → Testing & Quality Assurance → Performance Optimization → Deployment & Launch → Ongoing Support This design + development approach allows me to identify technical challenges early, make better product decisions and deliver a more polished final experience. ━━━ WHY CLIENTS CHOOSE ME ━━━ ✓ 10+ years of professional experience ✓ 150+ completed projects ✓ Expert-Vetted freelancer ✓ Strong design + development background ✓ Web, mobile and AI expertise ✓ Business-focused approach ✓ Clean, scalable and maintainable solutions ✓ Responsive & performance-focused development ✓ Clear communication and regular updates ✓ Long-term support when you need it Whether you're launching a new website, redesigning an existing platform, building an eCommerce store, developing a mobile app, integrating AI or creating a custom SaaS product, I can help turn your idea into a polished, production-ready solution. Have a project in mind? Send me your requirements, existing website, Figma design or product idea. I'll review it and suggest the most effective approach to move it forward. — Harvinderjeet

AI-Powered Lead Generation Expert | High- Intent Verified Decesion makers Hi! I'm Sandhiya, a results-driven Lead Generation and Data Research Specialist with over 15 years of experience helping businesses identify qualified prospects, build accurate databases, and support business growth through high-quality research and outreach. I have successfully generated 2 million+ verified leads for clients across various industries. My commitment to accuracy, timely delivery, and clear communication has earned me long-term relationships with clients worldwide. My Expertise AI-Powered Lead Generation B2B Lead Generation & Prospect List Building Verified Email & Contact Information Sourcing Automated Data Mining Mailing List Development Web Research & Market Intelligence Email List Cleaning & Validation Google Sheets, Google Docs & Microsoft Excel CRM Management & Project Support Business Development Assistance Digital Marketing Support Administrative & Virtual Assistant Services Why Clients Choose Me ✔ 15+ Years of Professional Experience ✔ 2M+ Verified Leads Delivered ✔ Accurate, High-Quality Data ✔ Fast Turnaround with On-Time Delivery ✔ Strong Attention to Detail ✔ Clear & Prompt Communication ✔ Reliable for Both Short-Term and Long-Term Projects ✔ Dedicated to Client Satisfaction Client Testimonials ⭐ "Very responsive and delivered more than expected. Her attention to detail and timeliness were impeccable." — Theron Pickens, CEO, MyTcase ⭐ "Timely, diligent, and always willing to go the extra mile." — Vadim Revzin, CEO, School16, Inc. ⭐ "Excellent work. Fast and highly recommended!" — Robert Hannaman, MedStudy Corporation ⭐ "An excellent team to work with for consistent and reliable results." — Jermy Biggs, MISIO Let's Work Together If you're looking for a dependable freelancer who delivers accurate data, high-quality leads, and exceptional service, I'd love to help. I'm committed to understanding your business goals and providing solutions that save you time, improve efficiency, and support your growth. Let's connect and discuss how I can contribute to your next project.

I build, scale, and fix high-performance Bubble web applications, mobile apps and SaaS MVPs. If your web or mobile app is running into slow page loads, complex workflow bottlenecks, or API integration walls, I step in as a systems architect—not just a task executor—to make your platform fast, scalable, and production-ready. ### 𝗖𝗼𝗿𝗲 𝗖𝗮𝗽𝗮𝗯𝗶𝗹𝗶𝘁𝗶𝗲𝘀 : Full-Stack SaaS, MVP & Mobile Architecture: Custom responsive web applications and native/hybrid mobile apps (iOS & Android). Expertise in Bubble, React front-ends, Supabase back-ends, multi-tenant database design, dynamic user dashboards, progressive web app (PWA) builds, and mobile wrapper implementations. Mobile App Development & App Store Deployment: End-to-end iOS and Android development, cross-platform mobile architecture, native push notifications, mobile-optimized UX/UI, and complete submission, review management, and publishing for the Apple App Store and Google Play Store. AI & LLM Integration: Embedding custom AI capabilities (OpenAI API, dynamic prompt engines, vector search, automated text/image processing) directly into Bubble workflows. Advanced API & Backend Connectivity: Seamless integration using Bubble’s API Connector with third-party systems (Zoho, custom Python microservices, Stripe, Make/Zapier, external SQL databases). Performance & WU Optimization: Migrating heavy data loads to Supabase, database refactoring, server-side workflow restructuring, privacy rule hardening, and front-end speed optimization. ### 𝗛𝗼𝘄 𝗜 𝗕𝘂𝗶𝗹𝗱 : ✅ Data & Schema Design: Structuring clean, normalized databases designed to scale without bloated Workload Units. ✅ Modular Development: Building reusable element groups, custom UI components, and strict privacy rules. ✅ Testing & Handoff: Rigorous end-to-end testing, webhook validation, and complete video/written documentation. Send over your wireframes, product specification, or current app bottleneck, and let's structure your application architecture.

𝗜 𝘀𝗼𝗹𝘃𝗲 𝘀𝗼𝗳𝘁𝘄𝗮𝗿𝗲 𝗽𝗿𝗼𝗯𝗹𝗲𝗺𝘀 𝗮𝗻𝗱 𝘁𝘂𝗿𝗻 𝗯𝘂𝘀𝗶𝗻𝗲𝘀𝘀 𝗿𝗲𝗾𝘂𝗶𝗿𝗲𝗺𝗲𝗻𝘁𝘀 𝗶𝗻𝘁𝗼 𝘄𝗼𝗿𝗸𝗶𝗻𝗴 𝗽𝗿𝗼𝗱𝘂𝗰𝘁𝘀. I'm a 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 𝘄𝗶𝘁𝗵 𝟰+ 𝘆𝗲𝗮𝗿𝘀 of experience, helping startups and businesses build new products, improve existing systems, automate processes, integrate platforms, and solve difficult technical problems. Since 2022, I've worked with 50+ clients on Upwork across SaaS applications, MVPs, web applications, APIs, automation, migrations, dashboards, business systems, and websites. Whether you need something built from scratch, an existing application fixed or improved, systems connected through APIs, or a manual process automated, I focus first on understanding the actual problem and then finding the most practical solution. 💼 𝗪𝗵𝗮𝘁 𝗜 𝗰𝗮𝗻 𝗵𝗲𝗹𝗽 𝘆𝗼𝘂 𝘄𝗶𝘁𝗵 • SaaS, MVP and Full Stack Development • Technical Problem Solving & Troubleshooting • React, Next.js and Node.js Development • Supabase & Database Architecture • AI Integration & AI Powered Features • n8n Automation & Workflow Automation • REST APIs & Third Party Integrations • Dashboards, Admin Panels & Business Systems • Existing Application Fixes, Improvements & Migrations • Business Websites & Custom Platforms • Deployment, Performance & Ongoing Development ⚙️ 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀 React • Next.js • Node.js • Supabase • PHP • Laravel • Wordpress • PostgreSQL • MySQL • MongoDB • REST APIs • n8n • AWS • Linux 🎯 𝗛𝗼𝘄 𝗜 𝘄𝗼𝗿𝗸 • Understand the problem before writing code • Find practical solutions instead of overengineering • Communicate clearly and keep you updated • Take ownership from problem to production 𝗜’𝗺 𝗻𝗼𝘁 𝗳𝗶𝗻𝗶𝘀𝗵𝗲𝗱 𝘂𝗻𝘁𝗶𝗹 𝘆𝗼𝘂’𝗿𝗲 𝗵𝗮𝗽𝗽𝘆. ⚙️ 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 Full Stack Developer • Full Stack Web Developer • Web Developer • Software Developer • SaaS Developer • SaaS Application Developer • Web Application Developer • Frontend Developer • Backend Developer • Full Stack Development • Web Development • SaaS Development • MVP Development • MVP Developer • Custom Software Development • Custom Web Application • Front End Development • Back End Development • React • React.js • Next.js • Node.js • JavaScript • TypeScript • HTML • CSS • Tailwind CSS • PHP • Laravel • Supabase • Supabase Developer • PostgreSQL • MySQL • MongoDB • Database Development • Database Architecture • Database Migration • WordPress • WordPress Developer • WordPress Development • WooCommerce • WooCommerce Developer • Shopify • Shopify Developer • Shopify Development • Elementor • Ecommerce Development • Ecommerce Developer • CMS Development • REST API • REST API Development • API Development • API Integration • Third Party API Integration • Webhooks • Stripe • Stripe Integration • Payment Gateway Integration • CRM Integration • AI Integration • AI Developer • AI Powered Applications • OpenAI API • LLM Integration • n8n • n8n Developer • n8n Automation • Workflow Automation • Business Automation • Lovable • Lovable Developer • Lovable Development • Lovable Migration • Claude Code • Cursor • Bug Fixing • Troubleshooting • Application Maintenance • Website Maintenance • Application Migration • Website Migration • Performance Optimization • AWS • Linux • VPS • VPS Hosting • Server Management • Server Migration • Deployment • Vercel • Netlify • cPanel • Web Hosting • Domain Migration • GoDaddy • Hostinger • Namecheap

I have 17+ years of IT experience in the area Application Development, Systems Integration, Production Support, Application Maintenance and QA projects. I have played the role of Project Manager, Project Lead, Business Analyst, Developer and QA. I have managed complete SDLC for medium sized development projects. I have business domain knowledge in the area of Automotive on-board telematics and IT systems, Pharma Relationship Marketing, Manufacturing Execution Systems and Work and Asset Management. I have actively implemented LEAN practices in Production support projects. My technical skills in Database consultancy/administration/development are as follows 1. Design and development of relational and NoSQL databases (Mysql, Oracle, MongoDB). Production support of Mysql and MongoDB databases. 2. Migrating existing databases to Mysql, Oracle and MongoDB. 3. Configuring monitoring and alerts for database servers. 4. Develop business layer applications in PL/SQL / Mysql procedures and UNIX. 5. Setup and support Mysql HA database cluster in single primary or multi primary mode without changes to your data or tables. 6. Setup and support Mysql master-slave replication for backups and failover. 7. Automated Point-in-time recovery of Mysql databases. 8. Performance tune databases like Mysql and Oracle. My programming language skills include 1. PHP 2. C 3. PL/SQL 4. Mysql stored procedures 5. UNIX Shell scripting My technical skills in REST API/Web Services consultancy/development are as follows 1. Creating high performance, scabale, standards compliant and secure RESTful API for backend and business logic processing as microservices or in monolithic service architecture. My technical skills in System/Devops consultancy/administration are as follows 1. Create solution architecture for Cloud and On-Premise infrastructure based on free and open source software stack. 2. Containerize Mysql and other servers using Docker and/or LXC. 3. Deploying LXC containers to create extremely lightweight and tightly packed virtualized environments to isolate, secure and streamline your IT operations. Running LXC containers have near zero performance penalty. 4. Install and configure QEMU-KVM virtual machines with full inter VM and external networking support, 3D graphics acceleration for GUI based administration. 5. Performance tune and secure your LAMP/LEMP and other application stack. 6. Deploying directory servers like OpenLDAP, designing DIT, configuring LDAP access control, indexing, replication and single sign-on. 7. Setup in-memory databases like Memcached or a persistent in-memory database Mysql Memcached plugin for caching or sessions. 8. Setup and maintain secure Email servers using Postfix, Dovecot, Courier IMAP, maildrop, Spamassasin, ClamAV, milters, DKIM, SPF, DMARC and Roundcube webmail. 9. Maintenance and administration of Linux servers like setting up firewall, webservers, mail servers, ldap servers, imap servers, automating system admin tasks using shell scripts, applying security updates, install and uninstall of software packages. 10. Setup of Jenkins for CI/CD of complex project workflows. 11. VPN setup ( IKE/IPSec and OpenVPN )

• More than 16+ years of experience with different IT industries. • Result-oriented, Enthusiastic nature, Positive attitude, Self-confident. • Able to handle a team with any software development with any platform system, domain, and programming languages. • Projects management through the complex processes of technology development, deployment, Software integration, operation, and all phases of the development of life cycle. • My technologies stack is - Frontend [ javascript | jquery | JSON | Ajax | CSS | Angular | BootStrap | HTML | React.js ] - Backend [ .Net Core | Web & Window Service| Web Api | Azure | WPF | Asp.net MVC ] - ORM [ Entity FrameWork | Dapper | Ado.Net ] - Database [ SQL Server | CosmosDb | MongoDb | Sqlite ] I create high-quality, testable code. I can provide consulting, software development, code review/refactoring, fixing bugs, etc. I am very good at troubleshooting, debugging, finding, and fixing bugs quickly that only a few can. if you are struggling to find an honest and dedicated freelancer for your long or short-term project then no look further and you are at the right place. Best regards, Shailesh