Hire the Best OpenStreetMap Professionals

✅ Highly experienced mobile data collection developer specializing in Open Data Kit form development & configuration, data server setup, data handling & cleaning, and data visualization (Spatial Data Analyst). I have worked with 🌟High Profile Clients/Organizations🌟 in my Career, including the following to illustrate some of them: ✅ Humanitarian OpenStreetMap Team (The Audacious Project Award Winner 2020) ✅ Environmental Protection in the Caribbean (Vetted by Global Giving)) ✅ International Organization of Migration. (Ebola Response DRC/Uganda) Broad Experience in the application of GIS for quality data collection and visualization I have developed and implemented mobile data collection tools in refugee settlements and host communities using tools such as Umap, Carto DB, QGIS, Google Data Studio, and Microsoft Excel to make dashboard data with infographics, Mapmaking (static maps and interactive maps), and training on open source tools for visualizations on OpenStreetMap and HDX (Humanitarian Data Exchange) platforms. 🌟 WHY ME OVER OTHER FREELANCERS? 🌟 ✅ Attained Client Reviews: I focus on providing VALUE to all of my Clients and Earning their TRUST. The Client Reviews and Feedback on my Profile are critical to me and the value that I provide. ✅ Over-Delivering: This is critical to my work as a Freelancer. My focus is on GIVING more than what I expect to RECEIVE. I take pride in leaving all of my Clients saying "AMAZED." ✅ Responsiveness: Being extremely responsive and keeping all lines of communication readily open with my Clients. The 🏆Client Review🏆 below, which you will find in my reviews section, describes the quality of work and value that you can expect from working with me: "Allan is very skilled in ODK and Kobo Toolbox for a variety of applications. He made himself available throughout the contract, responded well and with patience to requested edits, and also provided us with a bonus document not initially requested in the contract. I would highly recommend Allan for similar projects."

𝐓𝐨𝐩 𝟑% 𝐓𝐚𝐥𝐞𝐧𝐭 𝐨𝐧 𝐔𝐩𝐰𝐨𝐫𝐤 | 𝟏𝟎𝟎% 𝐉𝐨𝐛 𝐒𝐮𝐜𝐜𝐞𝐬𝐬 | 𝐓𝐨𝐩 𝐑𝐚𝐭𝐞𝐝 𝐏𝐥𝐮𝐬 Building software is easy. Building software that is scalable, maintainable, and delivered on time is where most projects fail. If you've worked with freelancers before, you've probably experienced: ❌ Poor communication ❌ Missed deadlines ❌ Half-finished work ❌ Code that's difficult to maintain ❌ AI demos that never reach production ❌ Developers who disappear after delivery ❌ Maps that look impressive but can't handle real-world data 𝑻𝒉𝒂𝒕'𝒔 𝒘𝒉𝒆𝒓𝒆 𝑰 𝒄𝒐𝒎𝒆 𝒊𝒏. I help startups and businesses build production-ready AI applications, web platforms, mobile apps, and GIS solutions that are scalable, secure, and built for long-term success. 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬: 🌍 𝐆𝐈𝐒 & 𝐌𝐚𝐩𝐩𝐢𝐧𝐠 • Mapbox • Cesium JS • Leaflet • OpenLayers • GeoServer • ArcGIS • Google Maps • Spatial Analysis • PostGIS 🤖 𝐀𝐈 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 • AI Agents • Chatbots • OpenAI • LangChain • RAG • LLM Integrations • Workflow Automation 💻 𝐅𝐮𝐥𝐥 𝐒𝐭𝐚𝐜𝐤 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 • React • Next.js • Node.js • Python • SaaS • REST APIs • Enterprise Applications 📱 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩𝐬 • React Native • Android • iOS • Location-based Apps 𝑾𝒉𝒚 𝑪𝒍𝒊𝒆𝒏𝒕𝒔 𝑯𝒊𝒓𝒆 𝑴𝒆: ✔ Top Rated Plus ✔ 100% Job Success ✔ 1,200+ Hours ✔ Clean, scalable architecture ✔ Excellent communication ✔ Long-term technical partner ✔ Production-ready solutions 𝐓𝐞𝐜𝐡 𝐒𝐭𝐚𝐜𝐤 • 𝐆𝐈𝐒: Mapbox, Leaflet, GeoServer, ArcGIS, QGIS, OpenLayers, PostGIS, Vector Tiles, WMS, WFS, WMTS, MVT, GeoAI, Spatial Databases, Raster & Vector Processing • 𝐅𝐫𝐨𝐧𝐭𝐞𝐧𝐝: React, Next.js, TypeScript, JavaScript, Tailwind CSS, Vite, CSS3, HTML5, Bootstrap, Redux, Material UI • 𝐁𝐚𝐜𝐤𝐞𝐧𝐝: Node.js, Express, Python, FastAPI, Django, NestJS, Authentication & Authorization, Microservices • 𝐌𝐨𝐛𝐢𝐥𝐞: React Native, Expo, Android, iOS, Firebase, Push Notifications, Map Integration, Offline Sync • 𝐀𝐈: OpenAI, Claude, LangChain, LlamaIndex, Vector Databases, AI Agents, RAG, Prompt Engineering, LLM Integrations, GeoAI, Automation, Python • 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞: PostgreSQL, MongoDB, MySQL, Redis, Firebase, Supabase • 𝐂𝐥𝐨𝐮𝐝: AWS, Docker, GitHub, CI/CD, Linux, Git, GitHub, Vercel, Netlify, Railway, DigitalOcean, Nginx Whether you need an AI-powered product, a scalable web application, a mobile app, or an enterprise GIS platform, I can take your project from idea to deployment with a focus on quality, performance, and business impact. Let's build something exceptional.

🌍 GIS Developer with 6+ years of experience building interactive maps, responsive dashboards, spatial databases, backend APIs, and automation systems. A recent Mapbox application I developed efficiently displayed and clustered more than 16,000 addresses. My solutions help businesses: 🗺️ Visualize locations and geospatial data 📍 Manage properties, territories, and service areas 📊 Turn complex datasets into actionable dashboards ⚙️ Automate repetitive operational workflows 🔄 Synchronize customer data across business platforms 🚀 Launch scalable, production-ready web applications 🗺️ Interactive Maps & GIS Applications I develop custom mapping applications using Mapbox, Google Maps, Leaflet, MapLibre, PostGIS, QGIS, and ArcGIS services. My mapping capabilities include: • Location search, filtering, and geocoding • Territory and service-area management • Custom map layers, markers, popups, and controls • Property discovery and location-based search • Polygon drawing, routing, and spatial measurements • Heatmaps, clustering, and data-driven visualization • GeoJSON and geospatial dataset processing • Real estate, field operations, and business mapping platforms 💻 Full-Stack Geospatial Development I build complete applications, from the spatial database and backend architecture to the final responsive dashboard. ✔ Frontend: React, Next.js, TypeScript, JavaScript, Mapbox GL JS ✔ Backend: NestJS, Node.js, REST APIs ✔ Databases: PostgreSQL, PostGIS ✔ Mapping: Mapbox, Google Maps API, Leaflet, MapLibre, QGIS ✔ Additional: Flutter, React Native, WordPress, and third-party integrations My focus is clean architecture, maintainable code, performance, security, and long-term reliability. ⚡ Automation & API Integrations I develop automation systems that reduce manual work and reliably synchronize business platforms. 🤖 Automated lead detection, form submission, and claiming 🔗 GoHighLevel webhook processing and contact synchronization 🏠 HouseCallPro estimate-event integrations 📍 Address-based customer matching 🔄 External platform and CRM data synchronization ⏱️ Cron-based background automation 🛡️ Retry and fallback queues for failed API operations 🕸️ Web scraping and browser automation ⭐ Why Work With Me? 🏆 Top Rated Upwork freelancer 💯 100% Job Success Score ✅ 33 completed Upwork projects 📜 Registered Engineer 🎓 Bachelor of Engineering in GIS 💬 I provide clear milestones, regular progress updates, and documented handover so clients always know the project’s current status and next steps. 🧩 Clean, scalable, and maintainable solutions 💡 I do more than embed maps. I design reliable geospatial systems around your business requirements, data, and long-term goals. 📩 Send me your mapping requirements, existing application, workflow, or dataset, and I’ll recommend the most practical implementation approach.

Hello! I am a GIS Analyst concentrated on Spatial Planning. I also have experiences to develop GIS web-based app. I can help you make a web map using Python (Folium) or Javascript (OpenLayers/Leaflet/Maplibre/Mapbox/Google Map). I also have experience using various framework across programming languages (Plotly Dash), Javascript (Vue & Next), or PHP (Codeigniter 4). Please let me know if you want to discuss anything on my expertise. I will gladly respond it and really hope it will help you!

Full Stack Developer with 3+ years of experience building production-grade web applications, specializing in geospatial and data-intensive platforms. Currently serving as the Lead Frontend Engineer on a UN FAO / Green Climate Fund GIS platform, leveraging React, Leaflet, OpenLayers, and GeoServer. I have strong expertise across the MERN/PERN stack, along with PostgreSQL/PostGIS, Docker, and AWS. I have a proven track record of delivering complex, end-to-end features — including multi-step upload workflows, real-time session security, advanced data visualization, and dynamic map styling. ⚜ Frontend: HTML, CSS3, Bootstrap, Tailwind CSS, JavaScript, React JS, Next JS, TypeScript ⚜ Backend: Node.js, Express.js, Python ⚜GIS & Mapping: Leaflet, OpenLayers, Mapbox, Cesium, GeoServer, WMS / WFS, SLD, Shapefile / KML /GeoTIFF, PointClouds ⚜ Database: MySQL, MongoDB, PostgreSQL, SQLite ⚜ DevOps & Deployment: Docker, CI/CD Pipelines ⚜ CMS & SEO: WordPress, SEO I handle every stage of your project — from concept to deployment — ensuring quality, scalability, and performance.

Lead GIS Specialist | QA/QC Expert | LiDAR Data Analyst (Ready for remote work worldwide) With 8 years of experience as a Lead GIS Specialist, I automate QA/QC and LiDAR processing to deliver clean, production-ready datasets 3x faster using Python Why work with me? My background as a Lead GIS Specialist means I don't just find errors; I understand the lifecycle of spatial data. I specialize in identifying and fixing topology issues, attribute inconsistencies, and projection errors that others miss. What I bring to your project: Expert QA/QC: Deep audit of vector layers (MicroStationV8, QGIS, ArcGIS, MapInfo) to ensure strict adherence to topology rules. Data Cleaning & Standardization: Transforming messy raw data into clean, production-ready spatial formats. Large-scale Digitization Management: Expertise in overseeing satellite imagery vectorization from start to finish. Technical Proficiency: High-performance processing using my dedicated workstation (32GB RAM / RTX GPU) for fast rendering and data handling. I am focused on efficiency, precision, and clear communication. Let’s ensure your spatial data is accurate and ready for analysis.