With 13 years building web products end-to-end and engineering experience from Revolut and DoorDash, I provide the strategic oversight of a CTO with the AI powered execution speed I've led projects across AI-first platforms, data-heavy dashboards, workflow builders, GIS and routing tools, tourism products, and internal productivity systems, taking each from early concept through to a live, user-ready product. 📦 Product Implementation and Delivery • Clean backend, data and API design • Simple, intuitive UX your users get immediately • AI Strategy & LLM Integration: production-ready AI automating business processes. • Fast launches without sacrificing architecture, security, or scalability • Day-one integrations (auth, email, analytics) 🧠 Strategic Partnership & Technical Governance • Product scope, what to build now vs. later • Technical roadmap aligned to your business milestones • Stack definition that won't become a liability in 6 months • Due Diligence Readiness: Investor-ready technical documentation and a clear tech story • Full handoff with documentation your next hire can build on 🗂️ Projects I've led end-to-end • AI-powered apps and LLM integrations • Data-heavy dashboards and analytics platforms • Workflow builders and internal tools • GIS, geospatial, and routing products • Tourism and booking platforms • Productivity tools 🛠️ Tech stack • Frontend: React, Next.js, TypeScript • Mobile: React Native • Backend: Node/NestJs, Python/FastAPI • DB: PostgreSQL, MongoDB • Infra: Supabase, Vercel, Render, AWS, Google Cloud • Auth: Clerk, Supabase Auth, NextAuth • Emails: Resend, Mailgun • Analytics: PostHog, Mixpanel • LLM API integrations: OpenAI, Gemini, Anthropic • Geo/GIS: Maptiler (API, Engine), Google maps API, Mapbox, Leaflet • Integrations: Geo APIs, Telegram Mini Apps Comfortable with MERN, T3 stacks If you need to translate business needs into product outcomes quickly, deliver fast, and provide actionable product insights, let's chat

🏆 Top-Rated PLUS Full Stack Developer | 100% Job success | 10+ Years Experience | AWS Expert | ⭐⭐⭐⭐⭐ 50+ Reviews | 50+ Digital Solutions Delivered | SaaS & B2B Platforms 🎯 My focus is simple: understand your goals and challenges, then deliver software that drives results. I don’t just code with the latest technologies — I build scalable, secure, and user-friendly solutions that solve real business problems. 🚀 I work independently as a senior full-stack developer, but when projects need design, QA, or rapid scaling, I collaborate with a trusted network of professionals to deliver complete end-to-end solutions — from concept to deployment. 🌍 Wherever you are, I adapt to your workflow and time zone for seamless delivery. 💻 Tech Stack & Expertise: Back-End: Node.js, PHP (Laravel), Python (Django), C# Front-End: React.js, Next.js, Angular, JavaScript, TypeScript, jQuery, HTML5, CSS3, Bootstrap, Webflow, Bubble.io, PWA Databases: MySQL, SQL Server, MongoDB, Firebase/Firestore, DynamoDB Cloud & DevOps: AWS (EC2, Lightsail, S3, Lambda, API Gateway, RDS, Cognito, SES, SNS, SQS, Route53, CloudFormation, Pinpoint), Google Cloud, Azure, Docker, CI/CD APIs & Integrations: Facebook, Google, Apple, Twitter, eBay, Microsoft APIs Payments: Stripe, PayPal, Apple Pay, 2Checkout, Checkbook AI & ML: OpenAI API, Gemini AI, model fine-tuning, training, ML integrations Security & Compliance: OWASP, HealthCare FHIR API, HIPAA, HiTrust, SOC2 🤝 You’ll always stay in the loop. Communication is clear, timelines are predictable, and progress is transparent through tools like Slack, Jira, Monday, ClickUp, and Trello. Whether you need a dedicated developer or a team, I deliver solutions that fit your goals — on time, within budget, and without the stress. Best Regards, Syed Minhaj Full-Stack Developer | AWS & Cloud Solutions Expert

I build secure, well-tested smart contracts and find vulnerabilities before attackers do. Credentials: - Identified 1 Critical + 3 Medium vulnerabilities in Code4rena competitive audits - Built TimeLock Vault Protocol - a DeFi savings protocol with tradeable bond issuance against locked stablecoins. - Runners up, Kenya National Cybersecurity Championships Services: - Smart contract development (DeFi protocols, ERC20/ERC721, custom logic) - Security reviews and audits - Comprehensive Foundry test suites (unit, fuzz, integration) - Bug fixes and improvements

🚀 Send me your project details, I’ll evaluate the best approach before we start. ✅ 50+ million records scraped across real estate, finance, retail, eCommerce, and marketplaces. I build scalable, high-performance web scraping and automation systems that help businesses collect, process, and automate data workflows with minimal human intervention. With 10+ years of Python experience and Top Rated status on Upwork, I deliver clean, structured, and reliable data solutions for startups, agencies, and enterprise clients. Why Clients Work With Me 🔹 Efficiency & Accuracy — Fast, clean, and structured data delivery 🔹 Scalable Architecture — Long-term scraping systems built for growth 🔹 Clear Communication — Regular updates, transparency, and on-time delivery 🔹 Reliable Automation — Reduce manual work with intelligent workflows Core Services ✅ Web Scraping & Data Extraction Custom Python scrapers for virtually any website ✅ Browser Automation & Bots Automating workflows, form submissions, uploads, monitoring, and repetitive tasks ✅ API Integration & Reverse Engineering Working with public/private APIs and extracting hidden data sources ✅ Data Processing & Cleaning Transforming raw datasets into structured, usable formats ✅ Data Analysis & Machine Learning Using Pandas, NumPy, and ML models to generate insights Industry Solutions ✔ Financial Data Extraction SEC filings, stock data, insider transactions, crypto, investment research ✔ Real Estate Intelligence Property listings, agents, pricing, rental markets, lead generation ✔ E-Commerce Monitoring Price tracking, competitor monitoring, product intelligence ✔ Workflow Automation Insurance quotes, job applications, lead enrichment, data syncing Technologies & Tools Python, Scrapy, Selenium, Playwright, Puppeteer, Requests, BeautifulSoup, lxml, Pandas, APIs, Cloudflare bypass, CAPTCHA handling, Automation Bots, Data Mining, Web Crawling, Lead Generation, Google Maps, Shopify, Amazon, Zillow, LinkedIn, Airbnb, Discord, Zapier, Google Sheets, EC2, REST APIs

Top 1% on Upwork | Top Rated Plus | Built platforms, web apps and mobile apps that have scaled to $50,000 MRR | Enterprise SAAS Hey there! I'm Sourabh Bansal, a full-stack developer and AI engineer with extensive experience building production-grade applications, SaaS platforms, and intelligent systems. Over the years, I've helped businesses launch MVPs, scale their infrastructure, and integrate AI into their core operations. What I Specialize In: Full-Stack Web Development – I architect and develop scalable web applications using React.js, Next.js, and Node.js. From complex dashboards to interactive platforms, I handle both frontend and backend with equal expertise. AI-Powered Applications – I build conversational AI systems, custom chatbots, and intelligent tools that integrate seamlessly with business workflows. My focus is on practical AI implementation that delivers real value. Mobile App Development – I create cross-platform mobile applications using React Native that work flawlessly on iOS and Android. I've delivered apps with real-time features, location services, and smooth user experiences. SaaS Platforms – I've built multiple SaaS products from scratch, handling everything from user authentication and subscription management to payment integrations and cloud deployment. E-commerce Solutions – I develop custom Shopify themes, build headless commerce platforms, and integrate payment gateways like Stripe and PayPal for seamless transactions. Mapping & Location Tech – I work extensively with Mapbox and location-based services, creating interactive maps, GPS tracking systems, and geospatial features. Tech Stack: Frontend: React.js, React Native, Next.js Backend: Node.js, Python Databases: MongoDB, PostgreSQL, Firebase Cloud & DevOps: AWS, Docker, Kubernetes Payments: Stripe, PayPal integration AI Tools: OpenAI APIs, custom ML integrations Why Work With Me: End-to-End Expertise – I handle complete project lifecycles from architecture and development to deployment and scaling. You get one experienced developer who understands the full picture. Production-Ready Code – I write clean, maintainable code with proper testing, security practices, and performance optimization built in from the start. Proven Track Record – I've delivered complex systems handling high traffic, integrated multiple third-party services, and built applications that scale with growing user bases. Clear Communication – I keep things straightforward and transparent. Regular updates, realistic timelines, and honest conversations about what's possible. Adaptable Approach – Whether you're a startup needing rapid iteration or an established business requiring robust solutions, I adjust my methodology to fit your needs. If you're looking for a developer with hands-on experience building AI-integrated, scalable applications, let's talk about your project. I'm happy to discuss your specific requirements and share relevant examples of my work.

You probably need one of these: 1) An AI or automation system that works in production, not just a demo 2) A Web3 product that won't get stuck in audit hell 3) A mobile app or device automation pipeline that scales past 10 users 4) Someone to fix infrastructure that someone else broke That's what I do. I'm a polyglot engineer based in Indonesia with 7+ years shipping production systems across AI, Web3, mobile, and the infrastructure that holds them together. What I work on: - AI & Automation — LLM agents, social media intelligence platforms, sentiment & virality pipelines, multimodal workflows (Claude/GPT/Gemini APIs, vector DBs, custom RAG, evals, cost optimization) - Blockchain — Smart contracts on EVM chains (Ethereum, BSC, Polygon, Arbitrum, Base) and Solana. Solidity, Rust, ethers.js, web3.py. Hackathon winner with open-source contributions to production Layer-1 codebases. - Mobile & Cross-platform — iOS and Android development, plus large-scale mobile device orchestration (anti-detect browsers, residential proxy infrastructure, social automation at scale) - Full-Stack & DevOps — Python, TypeScript, Node.js, React, Next.js, Flask, FastAPI. Docker, Nginx, monitoring (Prometheus/Grafana/Loki), VPS provisioning, CI/CD. I own the infra I build, not just the code. Recent production work: → Real-time social listening platform monitoring TikTok, Instagram, and Twitter — sentiment scoring, virality detection, automated stakeholder reports via WhatsApp and Lark → Self-hosted ALPR (license plate recognition) computer vision pipeline replacing expensive cloud APIs for parking management clients → Trading automation: Pine Script strategies wired to Binance Futures via custom webhook gateway How I work: Clear scoping, milestone-based delivery, async-first communication, no ghosting. For larger engagements I prefer a small paid trial first so we both validate fit before committing. Stack: Python, TypeScript, Solidity, Rust, Pine Script · React, Next.js, Flask, FastAPI · Docker, Linux, Nginx, Cloudflare · OpenAI/Anthropic/Google AI APIs · PostgreSQL, Redis, MongoDB Available 20–30 hrs/week. Open to hourly or fixed-price. Let's talk about what you're building.

hey there. if you're reading this, you're probably looking for someone who genuinely gets backend for websites. not just someone who knows the syntax, but someone who understands how to build stuff that doesn't break when 100 people start using it at the same time. that's me. i've been coding with to many platforma for over 4 years now, and honestly, i just love it. my happy place is taking a messy, complicated idea and turning it into a clean working project. Looking for a long term position.

PROFILE OVERVIEW Full-stack technical leader with 10+ years of software development experience and 5+ years leading engineering teams from concept to production. I specialize in building AI-powered platforms, scaling startups, and providing fractional CTO services to companies ranging from $0 to $40M ARR. LEADERSHIP & EXPERTISE - Technical Leadership: Former CTO at multiple startups, currently serving as fractional CTO for companies across healthcare, real estate, e-commerce, and SaaS industries - AI/ML Implementation: Built production AI systems including SheldonAI (serving 2.5M+ items) with RAG pipelines, vector databases, and multi-model LLM orchestration - Team Building: Grown and mentored distributed engineering teams across US, Europe, Mexico, Pakistan, India, and Ukraine - Education: Stanford AI Masters Certificate (in progress), BS Materials Science & Engineering (Georgia Tech), Wharton Business Data Analytics Certificate TECHNICAL STACK Frontend: React, Next.js, TypeScript, React Native, Expo, CapacitorJS, TailwindCSS, Shadcn UI, Material-UI Backend: Node.js, Express, Python, GraphQL, RESTful APIs, WebSockets, Supabase Databases: PostgreSQL (PostGIS), MongoDB, Redis, Vector Databases (Pinecone, ChromaDB) AI/ML: OpenAI, Anthropic Claude, LangChain, RAG systems, Prompt Engineering DevOps & Infrastructure: Docker, AWS, Heroku, Vercel, GitHub Actions, CI/CD pipelines, Terraform Development Tools: Git, Cursor, Claude, GitHub Copilot, Bugbot (daily AI-assisted development)\ CORE COMPETENCIES - AI Development including agents - Microservices & event-driven architecture design - Scalable database design and optimization (handling millions of records) - Security best practices (OWASP, HIPAA compliance, OAuth, JWT) - Agile development with 2-week sprint cycles - Code quality automation and testing (Jest, Cypress, ESLint) - API integrations (100+ third-party services including payment processors, mapping, CRM systems) SELECT PROJECT HIGHLIGHTS - SheldonAI (BikeWise): Architected AI-powered platform with custom ML models, RAG implementation, and REST APIs serving 2.5M+ bikes/parts database - REDtech (Madelon): Built real estate development platform with geospatial analysis (PostGIS), ML algorithms, and zoning code automation - ReferralLynx: Conducted technical audit, rebuilt team structure, and launched HIPAA-compliant healthcare CRM Multiple MVPs: Delivered 4-week rapid MVPs across various industries using modern frameworks and AI-assisted development APPROACH I combine hands-on development expertise with strategic technical leadership. I'm an active daily user of AI coding tools (Claude, Cursor, Bugbot, GitHub Copilot) to accelerate delivery while maintaining code quality and architectural integrity. My focus is on pragmatic solutions that balance speed with scalability, helping startups move from concept to production quickly and efficiently. Available for fractional CTO services, full-stack development projects, and technical advisory work.

🚀 Stop wrestling with chaotic workflows and rigid software. Let’s build the exact tools your business needs—faster, smarter, and with zero traditional engineering overhead. I am a Full-Stack No-Code & Automation Developer with 4+ years of hands-on experience building high-performance internal tools, scalable SaaS MVPs, and intelligent AI integrations. By combining the frontend power of Bubble, the internal tool speed of Retool, and the powerhouse automation of n8n, I transform messy business logic into streamlined, automated digital systems. Whether you are a startup racing to launch an MVP or an enterprise optimizing internal operations, I deliver production-ready software designed to cut manual work and scale seamlessly. 🔧 Core Technical Expertise App Development: Custom Admin Panels, Interactive Dashboards, B2B SaaS Platforms, Client Portals, and CRMs. Database & Backend Mastery: Complex SQL queries, PostgreSQL, MySQL, MongoDB, Firebase, Airtable, and Supabase. Integrations & APIs: Advanced REST APIs, GraphQL, Webhooks, and secure Role-Based Access Control (RBAC). AI & Next-Gen Automation: Advanced n8n workflow engineering, AI-driven data processing, and LLM tool integrations. UI/UX Logic: Responsive, clean, and user-friendly interfaces built with scalable, reusable components. 💼 Why Clients Choose Me Clients look for me when they need more than just someone who clicks buttons in a no-code editor. They hire me because I bridge the gap between deep technical data infrastructure and smooth business logic. From configuring automated data syncs to embedding smart AI features that eliminate repetitive administrative work, I build end-to-end ecosystems that work flawlessly together. ✅ What You Can Expect Production-Ready Speed: Rapid deployment of scalable, bug-free applications. Clean Architecture: Well-structured database schemas and highly maintainable logic. Transparent Communication: Regular updates, clear milestones, and collaborative problem-solving. End-to-End Support: Post-launch optimization, system maintenance, and scaling roadmaps. 📥 Ready to turn your ideas into powerful automated systems? Click the "Invite" or "Message" button, outline your project goals, and let's build something exceptional together!

GIS | Web GIS Developer | Python & Web Developer Hi there! I'm Muhammad Abdullah a results-driven GIS & Web Developer with a passion for building smart, interactive solutions using modern technologies like Leaflet.js, ArcGIS, Python, and JavaScript. Whether you need to: Build a custom Web GIS dashboard Automate spatial data tasks with Python Design responsive websites or web apps Clean, visualize, and analyze geospatial data …I’m here to make it happen — efficiently and with precision. What sets me apart? A rare blend of technical depth (Python, JavaScript, GIS APIs) Real-world project experience across remote sensing, web mapping, and data automation Clear communication, quick turnaround, and a “no copy-paste” work ethic If you’re looking for someone who understands both maps and code, and can turn your ideas into functional, beautiful results , let’s talk!