Vishal S.

Helping startups & enterprises build AI-driven web & mobile applications with React, Flutter, and the latest Generative AI (GPT-4, Whisper, LangChain, Vector Databases). From idea to launch, I design scalable solutions that automate workflows, delight users, and deliver measurable ROI. With 12+ years in full-stack web development and 8+ years in cross-platform app development, I’ve delivered 100+ projects and 20,000+ billed hours on Upwork (Top-Rated). My expertise lies in blending modern tech stacks with AI intelligence to craft products that solve real business problems. What I Do Best:- ============== ✅ Full-Stack Development – Web & mobile apps using React, Next.js, Laravel, Django, Flutter, React Native ✅ AI / ML Solutions – Generative AI (GPT-5/4, Claude, Gemini), RAG pipelines, Agentic AI, computer vision, speech-to-text ✅ Chatbots & AI Agents – Custom LLM-powered bots, autonomous AI workflows, conversational agents with tool integrations ✅ Data Scraping & Automation – Web scraping, structured/unstructured data extraction, APIs, workflow automation ✅ Custom SaaS Platforms – From MVP to enterprise-grade products with scalable cloud infrastructure AI Experience & Case Studies:- ========================== ∎ Sabbatic – Automated expense management using OCR & AI. ∎ EasySwim – Smart training feedback app with pose detection & motion analysis. ∎ StartQuestion – AI survey system with GPT-4 adaptive branching. ∎ Shilo.ai – Real-time voice analytics & roleplay with Whisper API. ∎ CoffeeMug.ai – Professional networking matchmaking using behavioral AI. ∎ DropShopAI – AI-powered dropshipping with Shopify integration & demand forecasting. ∎ FoodConclude – AI recipe generator using NLP & deep learning. ∎ CreditRiskAnalysis – ML model for credit default prediction. ∎ Sentiment Analysis Engine – BERT-based sentiment detection for app reviews. Tech Stack Expertise:- ================== ✅ Web: React.js, Next.js, Vue.js, Laravel, Django, Node.js, FastAPI ✅ Mobile: React Native, Flutter ✅ AI/ML: Generative AI (GPT-5/4, Claude, Gemini) | LLMs & Agentic AI | RAG | Whisper | NLP | CV | Fine-Tuning ✅ Chatbots & Agents: Custom LLM bots, AI assistants, autonomous workflows, OpenAI function-calling ✅ Data Scraping & Automation: Python Scrapy, BeautifulSoup, Selenium, API integrations, N8N, Zapier ✅ Databases: PostgreSQL, MySQL, MongoDB, Firestore, Redis, Vector DBs (Pinecone, Weaviate, ChromaDB, LlamaIndex) ✅ Cloud & DevOps: AWS (S3, EC2, Lambda, SageMaker), Docker, Kubernetes, Vercel, Netlify, GitHub Actions Past Portfolio with Global Brands:- ============================ ∎ Enterprise & Consumer Platforms Delivered: ∎ Service Based Marketplace Platform – Similar to Upwork for service providers & seekers. ∎ Thehairtalk – Fashion e-commerce platform. ∎ Colbun – Hydel power onsite maintenance apps. ∎ EMAAR Group – Procurement management system (Oracle integration). ∎ Admissify App 2.0 – E-learning platform. ∎ Food Marketplace – Uber Eats–style delivery platform with live kitchens. ∎ Ola Pharmacy App – Full-featured e-commerce app. ∎ TechMandi – Agri-business platform with real-time logistics. ∎ Nanotech Energy – Renewable energy platform (raised $64M in funding). ∎ Trendsbee – E-commerce store. ∎ Art/Digital Marketplace – Online art & digital product marketplace. ∎ School PTM – School ERP solution. ∎ UNAB – University application management. ∎ CYFAY – Employee assessment & quiz application. ∎ Dutch Recipe – AI-driven recipe suggestion app. ∎ Akcess Parking – Condo parking management system. ∎ Virtual Assistant Hiring Platform – Marketplace for VAs. ∎ Concept Crafter – Art bidding marketplace, Fiverr-style. ∎ TCJB – Job board for cannabis industry with staffing module. ∎ Reskillify – E-learning & coaching platform with affiliate system. From web & mobile apps to AI chatbots, intelligent agents, and large-scale data scraping solutions — I deliver reliable, production-ready systems that create real business impact. Let’s build your next digital product together. Click “Invite” and let’s get started.