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Top Rated Plus interactive maps, GIS applications developer. Seasoned end-to-end geospatial expert; spatial databases, performant spatial backends and interactive web mapping frontends. I transform complex spatial data into actionable insights. With 6+ years of hands-on experience, I’ve delivered solutions for governments, researchers, and enterprises that drive decisions, save time, and scale effortlessly. What I do best: - Web & GIS Applications: Custom Mapbox GL JS, Leaflet, or Google Maps-style apps with geospatial search, real-time data, and analytics. - Decision Support Dashboards: Interactive dashboards integrating GIS, APIs, and live data for informed, instant decisions. - Enterprise GIS & Automation: Full-stack solutions using Django/GeoDjango, FastAPI, PostGIS, AWS My solutions are scalable, efficient, and maintainable. Proven Results: - Built a soil data visualization platform for researchers analyzing real-time field data. - Developed a collision repair center locator with pricing and geospatial comparison tools. - Delivered dashboards for 5 government agencies to streamline decision-making. - Created an enterprise GIS platform for a state water corporation integrating open-source tools for seamless operations. Why work with me: - Senior-level expertise in GIS, web mapping, and spatial data science. - Full-stack development for end-to-end solutions. No half-baked apps. - Solutions that scale, automate workflows, and deliver measurable impact. Tools & Tech: Leaflet, Mapbox GL JS, Django/GeoDjango, FastAPI, PostGIS, GeoServer, Docker, AWS, ArcGIS Pro/Online, QGIS, Python, Machine Learning for spatial data. I don’t just make maps, I build tools that change how organizations work.

Most startups, founders, and growing businesses already know what they want to build. The challenge is finding a Senior Full Stack Developer who can take ownership of the product, from architecture and MVP planning to frontend development, backend infrastructure, API integration, cloud deployment, automation, and long-term scalability. I help startups, SaaS companies, agencies, and established businesses build modern web applications, SaaS platforms, AI-powered products, CRM systems, business software, marketplaces, customer portals, booking platforms, admin dashboards, automation platforms, Chrome extensions, and mobile applications using production-ready technologies. My primary expertise includes React.js, Next.js, TypeScript, JavaScript, Node.js, Express.js, NestJS, PostgreSQL, MongoDB, Supabase, Firebase, AWS, Docker, Vercel, Tailwind CSS, Stripe, REST APIs, AI Integration, Workflow Automation, and Cloud Infrastructure. As a Full Stack Developer, React Developer, Next.js Developer, Node.js Developer, SaaS Developer, Backend Engineer, API Integration Developer, and AI Developer, I build scalable applications that combine exceptional user experiences with secure backend systems and reliable infrastructure. Whether you need to build an MVP, modernize an existing application, automate business workflows, integrate AI into your product, or scale an enterprise platform, I can help transform your vision into production-ready software. What I Build ✔ SaaS Platforms & Multi-Tenant Applications ✔ Startup MVP Development ✔ AI Applications & AI Integration ✔ AI Chatbots & AI-Powered Business Tools ✔ CRM Systems & ERP Solutions ✔ Business Software & Internal Platforms ✔ Customer Portals & Admin Dashboards ✔ Marketplace Platforms & B2B Marketplaces ✔ Booking & Reservation Systems ✔ Financial Platforms & FinTech Applications ✔ Healthcare & Telehealth Platforms ✔ Real Estate Platforms ✔ Mobile Applications (React Native & Flutter) ✔ Chrome Extensions & Browser Extensions ✔ Web Automation & Workflow Automation ✔ API Integration & Third-Party Integrations ✔ Payment Systems (Stripe, PayPal, Webhooks) ✔ Cloud Deployment & DevOps Core Technical Expertise Frontend Development React.js • Next.js • TypeScript • JavaScript • HTML5 • CSS3 • Tailwind CSS • Redux • React Query • Responsive UI Development • Front-End Development Backend Development Node.js • Express.js • NestJS • REST API Development • API Architecture • Authentication • Authorization • JWT • OAuth • Backend Infrastructure • Serverless Functions Database Development PostgreSQL • MongoDB • Supabase • Firebase • MySQL • Database Design • Database Optimization AI Development & Automation AI Development • AI Integration • OpenAI API • Claude API • AI Applications • AI Platform Development • AI Chatbots • Workflow Automation • Business Process Automation • AI-Powered SaaS Cloud & DevOps AWS • Docker • Vercel • Cloudflare • CI/CD • GitHub Actions • Deployment • Cloud Infrastructure • Performance Optimization Payments & Integrations Stripe Integration • PayPal • Third-Party APIs • REST APIs • Webhooks • API Integration Industries I've Worked With SaaS • FinTech • Healthcare • Telehealth • E-commerce • Education • Manufacturing • Real Estate • CRM • ERP • Recruitment • Marketplace Platforms • Booking Systems • Marketing Platforms • Business Automation Why Clients Hire Me I don't just build features, I help build products that are scalable, secure, maintainable, and ready for growth. Clients value working with me because I provide: • Clean, production-ready code • Scalable software architecture • Strong frontend and backend engineering • Reliable API integration • Secure authentication and authorization • Optimized PostgreSQL and MongoDB database design • AI integration and automation expertise • Cloud deployment and infrastructure support • Clear communication and transparent progress updates • Long-term technical partnership Whether you already have Figma designs, an existing codebase, or just an idea on paper, I can help you build a modern web application, SaaS platform, CRM, AI product, automation system, marketplace, Chrome extension, or mobile application from concept to production. If you're looking for a Senior Full Stack Developer, React Developer, Next.js Developer, Node.js Developer, Backend Engineer, SaaS Developer, AI Developer, API Integration Developer, CRM Developer, Automation Engineer, or long-term technical partner, I'd be happy to discuss your project and recommend the best technical approach

I build production AI Mobile Apps/Website and Saas platforms for founders, Start-ups and people who needs to move fast. Founders and early-stage startups hire me when they need a production-ready AI Mobile app or website live fast not in months, but in weeks. I've built an AI-powered website, migrated a founder's Base44 SaaS app from demo to scalable multi-tenant architecture in 3 days, and resolved a critical Supabase/PostgreSQL backend failure for a live app the same day it was reported. If you need an AI Mobile App and Website fully deployed, user-ready, and generating revenue from day one that's exactly what I build. I handle the full stack so you don't have to manage any of it: frontend, backend, database architecture, API integrations, AI features, and cloud deployment. Your customers can sign up, pay, and start using your platform immediately while you focus on growing your business instead of managing tech stacks. 𝗜 𝘀𝗽𝗲𝗰𝗶𝗮𝗹𝗶𝘇𝗲 𝗶𝗻 𝘁𝗵𝗿𝗲𝗲 𝗮𝗿𝗲𝗮𝘀: - AI Mobile Applications: LLM integrations, AI agents, intelligent automation. - SaaS Platforms: Multi-tenant architecture, scalable backends, Stripe payments. - MVP Development: Rapid prototyping, production-ready code, ready for use to help your business. - Website Development ready to bring you sales in your business. 📌AI-powered home listings platform with intelligent search built and live in 5 days (Base44 + Replit) 📌Base44 SaaS app migrated from demo to scalable multi-tenant architecture 3 days (React + Supabase) 📌Luxury real estate mobile app redesigned and fixed clean, responsive UI delivered in 72 hours (Lovable + Replit) 📌Replit app with broken Supabase/PostgreSQL backend diagnosed and fully resolved same day 📌Full AI SaaS platform (Apickle AI) 6 weeks of continuous feature delivery, zero downtime 𝗪𝗵𝗮𝘁 𝘆𝗼𝘂 𝗴𝗲𝘁 𝘄𝗶𝘁𝗵 𝗲𝘃𝗲𝗿𝘆 𝗽𝗿𝗼𝗷𝗲𝗰𝘁: ✅ Fast, scalable frontend Next.js and TypeScript, mobile-first, built to handle growth without rewrites ✅ Secure database architecture Supabase and PostgreSQL with proper row-level security, so your users' data is protected from day one ✅ Full API and payment integration Stripe, CRMs, webhooks, MCP (Model Context Protocol), and third-party tools connected and working ✅ AI-powered features LLM integrations, AI agents using LangChain and CrewAI, intelligent automation that reduces your operational costs ✅ Live deployment Vercel, AWS, or Railway, stable infrastructure ready for traffic spikes from day one, not "works on my machine" 𝗠𝘆 𝘀𝘁𝗮𝗰𝗸: 💢AI builders: Replit Agent, Base44, Lovable.dev 💢Frontend: Next.js, TypeScript, React, Tailwind CSS 💢Backend & database: Supabase, PostgreSQL, Node.js 💢Deployment & integrations: Vercel, AWS, Railway, GitHub, Stripe API, MCP You get a secure, fully deployed Mobile Application or Website built on a solid foundation. Are you ready to stop prototyping and start scaling your business with a live App or Website? Send me a message, and let’s talk about how to get your project live. 𝗞𝗲𝘆𝘄𝗼𝗿𝗱𝘀 React, Node.js, API Integration, JavaScript, Next.js, React Native, Android App Development, Mobile App Development, PostgreSQL, API, Web Development, AI Full-Stack Development, Web Application, TypeScript, OpenAI API, REST API, PostgreSQL, SaaS, Fintech Integration, Stripe, Node.js, Supabase, Front-End Development, Back-End Development, Lovable Website, Lovable Mobile App, Base44 Mobile App, Base44 Website, Replit Mobile App, Replit Website

Available Now | 40+ Hours/Week Most businesses don't need another developer, they need a technical partner who can transform an idea into a scalable, production-ready product. I'm a Senior Full Stack Developer specializing in SaaS Development, AI Development, MVP Development, Web Application Development, Mobile App Development, CRM Development, API Integration, Workflow Automation, and Cloud Infrastructure. I help startups, founders, SaaS companies, agencies, and growing businesses build modern software that is fast, secure, scalable, and built for long-term success. Whether you're launching a Startup MVP, scaling a B2B SaaS Platform, building an AI Platform, modernizing an existing application, or creating internal Business Software, I manage the entire product lifecycle, from planning and architecture to deployment and ongoing product growth. As a Full Stack Developer, React Developer, Next.js Developer, Node.js Developer, Backend Engineer, AI Developer, SaaS Developer, and API Integration Developer, I focus on building products that solve real business problems instead of simply writing code. Services I Provide • SaaS Development • Startup MVP Development • Full Stack Product Development • AI Development & AI Integration • AI Applications & AI Platforms • AI Chatbot Development • CRM Development • ERP & Business Software • Customer Portals • Admin Dashboards • Analytics Dashboards • Marketplace Development • B2B SaaS Platforms • Booking & Reservation Systems • Chrome Extension Development • Workflow Automation • Web Automation • Browser Automation • REST API Development • RESTful API Integration • Third-Party API Integration • Payment Gateway Integration • Backend Development • Backend Infrastructure • Database Design & Database Optimization • Mobile App Development • Progressive Web Apps (PWA) • Cross-Platform Mobile Applications Technologies Frontend Development React.js • React • Next.js • TypeScript • JavaScript (ES6+) • Redux • React Query • Zustand • HTML5 • CSS3 • Tailwind CSS • Tailwind UI • Shadcn UI • Material UI • Bootstrap • Responsive UI Development • SSR • Front-End Development • Figma Integration Backend Development Node.js • Express.js • NestJS • REST API • RESTful API • GraphQL • API Development • API Integration • JWT Authentication • Authorization • OAuth • Webhooks • Backend Development • Backend Infrastructure Database PostgreSQL • MongoDB • MySQL • SQL • NoSQL • Supabase • Firebase • Database Design • Database Optimization AI Development Artificial Intelligence • AI Development • AI Integration • AI Applications • AI Platform • AI Chatbot Development • OpenAI • LLM • Claude • Generative AI • AI Automation • AI Architecture • AI Prototypes • Multi-Agent Systems SaaS Development SaaS Development • SaaS Platform • SaaS Builder • Startup MVP • MVP Development • Product Development • Multi-Tenant SaaS Applications • Business Software Mobile Development React Native • Flutter • Expo • Dart • Mobile App Development • iOS • Android • Cross-Platform Development Automation Workflow Automation • Browser Automation • Web Automation • Data Workflow Automation • Process Automation • Automation Bots • n8n • Chatwoot Cloud & DevOps AWS • Docker • Vercel • Cloud Infrastructure • Deployment • CI/CD • DevOps Engineering Industries ✔ SaaS ✔ FinTech ✔ Healthcare ✔ Telehealth ✔ Manufacturing ✔ Education ✔ CRM ✔ ERP ✔ Real Estate ✔ E-commerce ✔ Marketplace Platforms ✔ Booking Platforms ✔ Recruitment ✔ Marketing Platforms ✔ Logistics ✔ Business Automation Why Clients Work With Me I don't just build features, I help companies build products that are scalable, maintainable, secure, and ready for growth. Clients hire me because I provide: ✓ End-to-end Full Stack Development ✓ Clean, production-ready architecture ✓ Scalable backend systems ✓ Modern React and Next.js frontends ✓ Reliable Node.js APIs ✓ Secure authentication & authorization ✓ AI Integration that creates real business value ✓ Optimized PostgreSQL and MongoDB databases ✓ Cloud deployment and infrastructure support ✓ Clear communication ✓ Reliable delivery ✓ Long-term technical partnership Whether you're building your first MVP, launching a new SaaS platform, developing an AI application, creating a CRM system, automating business workflows, integrating third-party APIs, or scaling an enterprise product, I can help turn your idea into software that users love and businesses rely on. If you're looking for a Senior Full Stack Developer, Full Stack Engineer, React Developer, Next.js Developer, Node.js Developer, Backend Engineer, AI Developer, SaaS Developer, CRM Developer, API Integration Developer, Mobile App Developer, Automation Engineer, or a long-term technical partner, I'd be happy to discuss your project.

𝐈𝐟 𝐲𝐨𝐮𝐫 𝐝𝐚𝐲𝐬 𝐚𝐫𝐞 𝐬𝐰𝐚𝐥𝐥𝐨𝐰𝐞𝐝 𝐛𝐲 𝐦𝐚𝐧𝐮𝐚𝐥 𝐭𝐚𝐬𝐤𝐬, 𝐭𝐨𝐨 𝐦𝐚𝐧𝐲 𝐚𝐩𝐩𝐬, 𝐚𝐧𝐝 𝐰𝐨𝐫𝐤𝐟𝐥𝐨𝐰𝐬 𝐭𝐡𝐚𝐭 𝐝𝐨𝐧’𝐭 𝐭𝐚𝐥𝐤 𝐭𝐨 𝐞𝐚𝐜𝐡 𝐨𝐭𝐡𝐞𝐫 — 𝐭𝐡𝐞 𝐬𝐨𝐥𝐮𝐭𝐢𝐨𝐧 𝐢𝐬𝐧’𝐭 𝐡𝐢𝐫𝐢𝐧𝐠 𝐦𝐨𝐫𝐞 𝐩𝐞𝐨𝐩𝐥𝐞. 𝐈𝐭’𝐬 𝐛𝐮𝐢𝐥𝐝𝐢𝐧𝐠 𝐬𝐦𝐚𝐫𝐭𝐞𝐫 𝐚𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧 𝐬𝐲𝐬𝐭𝐞𝐦𝐬. 𝐓𝐡𝐚𝐭’𝐬 𝐞𝐱𝐚𝐜𝐭𝐥𝐲 𝐰𝐡𝐞𝐫𝐞 𝐈 𝐬𝐭𝐞𝐩 𝐢𝐧. I help businesses automate lead generation, CRM automation, and marketing workflows using Makecom, Zapier, n8n, and AI automation tools—eliminating repetitive tasks, reducing errors, and scaling operations efficiently. I specialize in workflow automation, business process automation, API integrations, and no-code automation systems that connect your tools and run your operations seamlessly. Here’s what one of my clients shared 🥰👇 ⭐⭐⭐⭐⭐ “I hired Samuel to streamline my social media posting and engagement using Makecom, and the outcome exceeded my expectations. He flawlessly connected Airtable with Instagram and Facebook, making sure my content was scheduled and published automatically. The comment auto-reply automation worked perfectly, saving me hours each week while boosting engagement across platforms. His knowledge of social media automation, workflow setup, and API integrations is outstanding. Delivery was quick, communication was smooth, and everything was thoroughly tested before final delivery. I highly recommend them to anyone looking for a reliable automation expert.” — David When David first contacted me, he sounded completely overwhelmed. He ran a small lifestyle brand and was juggling everything himself — content creation, captions, posting, engagement, and customer messages. One sentence he said really stuck with me: “I’m exhausted from jumping between five different apps every morning just to publish one post.” His content wasn’t the problem. The lack of a system was. His TikTok drafts lived in one place, Canva designs in another, Instagram updates elsewhere, LinkedIn posts manually scheduled, and YouTube uploads constantly delayed. Staying consistent felt chaotic and draining. So I built him a system that changed how he worked. Using Makecom, I connected his Airtable content calendar to all his major platforms. Once he uploaded content or wrote captions in Airtable, posts were automatically created and scheduled for Instagram, Facebook, and LinkedIn. TikTok drafts were published with matching audio, and YouTube Shorts were uploaded with captions pulled directly from his database. All comments and DMs synced into GoHighLevel, where he could reply manually or trigger smart auto-responses. Within days, everything clicked. He filmed once, uploaded once, and the automation handled resizing, scheduling, publishing, product tagging, and comment replies behind the scenes. A few days later, he messaged me: “I just opened my laptop and realized my page posted five times while I was out having brunch. I almost cried.” That’s what automation really means to me — not just efficiency, but freedom. I’m Samuel — an automation expert who designs systems that quietly run businesses in the background. From social media automation to lead management, CRM syncing, and full AI-powered funnels, I build workflows that move data seamlessly across tools like Makecom, Zapier, n8n, Airtable, GoHighLevel, and more. 𝗛𝗢𝗪 𝗜 𝗛𝗘𝗟𝗣 I specialize in: ■ Workflow automation & orchestration — Makecom, Zapier, n8n, Pabbly ■ AI automation (ChatGPT, OpenAI, AI workflows) ■ CRM & lead generation automation— GoHighLevel, HubSpot, Pipedrive ■ API integration & webhook automation — apps, forms, payments, and databases ■ Data automation (Airtable, Google Sheets, databases) ■ Automation audits & troubleshooting — fixing and optimizing workflows ■ Email marketing automation & sales funnel automation — onboarding, drip campaigns, follow-ups 𝗧𝗢𝗢𝗟𝗦 𝗜 𝗪𝗢𝗥𝗞 𝗪𝗜𝗧𝗛 Zapier · Make (Integromat) · n8n · Pabbly OpenAI / ChatGPT API · Airtable · Google Sheets · Notion CRMs: HubSpot · Pipedrive · GoHighLevel Slack · Discord · Stripe · Typeform REST APIs · Webhooks · Python · JavaScript Shopify 𝗪𝗛𝗢 𝗜 𝗛𝗘𝗟𝗣 ■ Founders overwhelmed with manual workflows ■Agencies scaling operations with automation ■ Startups building efficient systems ■ Ecommerce brands optimizing processes ■ Teams struggling with disconnected tools Send me a message with what you want to automate—and I’ll map out the exact workflow, tools, and system structure you need to scale. When we work together, you get: ✅ A full automation audit ✅ A clear system architecture ✅ Clean, reliable workflow builds ✅ Optimization & error-proof logic ✅ Long-term scalability If you're looking for a Makecom expert, Zapier automation specialist, or n8n developer to automate workflows, integrate your apps, and build systems that scale Let’s build workflows that run your business while you focus on growth. AI | Artificial Intelligence (AI) | AI Consulting | AI Development |

I build production-grade data pipelines for location data, the kind that survive real scale, messy sources, and senior technical review. Most data engineers can't work in GIS, and most GIS specialists can't ship reliable pipelines. I do both, which is exactly what location-heavy projects need. If you're working with geographic data, satellite or aerial imagery, parcel and infrastructure records, point-of-interest datasets, anything tied to coordinates, I turn it into clean, queryable, automated systems instead of one-off scripts that break the moment the source changes. What I do: - Geospatial ETL pipelines (PostGIS, geopandas, rasterio) that ingest, clean, and structure spatial data at scale - Remote-sensing and imagery workflows, sourcing, tiling, and organizing aerial/satellite data across many locations - Web scraping and data extraction (Playwright, BeautifulSoup) with proper deduplication, rate-limit handling, and validation - Config-driven, schema-adaptive pipelines that adapt to new sources without a rewrite - Spatial APIs and mapping backends (FastAPI, PostgreSQL/PostGIS, Leaflet) - AI-connected spatial systems (MCP servers that expose PostGIS queries and geospatial tools to AI assistants) How I work: I diagnose the real bottleneck before writing code, I'm honest about tradeoffs (including when the hard part is data cost or source limits, not engineering), and I build for handoff, documented, maintainable, and yours. Proof: - Processed 6M+ US building permit records through a config-driven ETL pipeline (ConstructIQ) - Built a nationwide vendor directory of 4,400+ records via multi-phase scraping and enrichment (EventStarted) - Mapped fiber infrastructure across Lagos State in PostGIS (UDIGAP) - Built hybrid MCP servers exposing PostGIS and standalone geospatial tools to AI assistants, published to Glama (geo-mcp) - B.Sc. in Surveying & Geoinformatics — the geospatial fundamentals behind the engineering Tell me what your data looks like and what you need out of it, and I'll map the approach against your constraints before we talk price.