I am a senior GIS developer, specialized in developing web apps for mapping, visualizing, and analyzing geospatial data. I'm dedicated to my work and give my best to deliver well-designed solutions and efficient and clean code in the agreed time frame. I pride myself on my ability to solve problems, the attention I give to details, and smooth communication, which is vital to any project's success. I usually work with free and open source solutions, but also with commercial ones. 𝐌𝐚𝐩𝐩𝐢𝐧𝐠 𝐋𝐢𝐛𝐫𝐚𝐫𝐢𝐞𝐬 𝐚𝐧𝐝 𝐓𝐨𝐨𝐥𝐬: • Mapbox, Turf.js, Leaflet.js, Google Maps APi, ArcGIS, OpenLayers. ESRI Kit: ArcGIS Enterprise, ArcGIS Online, ArcPro, ArcPy, and ArcGIS Arcade. 𝐁𝐚𝐜𝐤𝐞𝐧𝐝: • Node.js, ExpressJS, GDAL/OGR •C# / .NetCore Web API 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞: • PostGIS - (PostgreSQL), MySQL, SQL Server. 𝐕𝐞𝐫𝐬𝐢𝐨𝐧 𝐂𝐨𝐧𝐭𝐫𝐨𝐥: • Git and GitHub. 𝐌𝐲 𝐩𝐫𝐨𝐟𝐢𝐜𝐢𝐞𝐧𝐜𝐲 𝐢𝐧𝐜𝐥𝐮𝐝𝐞𝐬; 1- Data/Geospatial Data Manipulation, mapping, and Migration. 2- Front-end development using React JS. 3- Back End Development using Node.js & .NET Core C# 4- Custom Tools and solutions that fulfill the client's requirements.

⭐️ Top Rated - Top 10% of talent on Upwork ✅ 6+ years of experience ✅ 50+ projects delivered with 5 star rating ✅ Available to collaborate seamlessly in US time zones Hi, I'm a seasoned GIS specialist and full-stack developer, on a mission to deliver excellence in interactive web mapping. Leveraging industry-leading technologies such as Mapbox, Leaflet, and OpenLayers, I create high-quality, tailored solutions that meet your project’s unique needs. With a robust foundation in HTML, CSS, JavaScript, Python, ReactJS, and React Native, along with expertise in geospatial analysis, data management, and web mapping technologies like PowerBI and ArcGIS, I'm committed to driving impactful solutions My ability to effectively communicate and collaborate with cross-functional teams, along with my strong problem-solving and analytical skills, ensures that your interactive web maps are not only functional but also visually compelling. My passion for Mapbox and Leaflet allows me to push the boundaries of what’s possible in web mapping, making me a valuable asset to your team. ⭐ My strengths and skills: ✅ Full-Stack Development: Proficient in both front-end and back-end development, including HTML, CSS, JavaScript, and frameworks like ReactJS, React Native, and Angular for building user interfaces. I also have experience with server-side technologies like Node.js, Laravel, or Django for building robust APIs and handling data processing that power interactive web maps. ✅ Geospatial Expertise: In-depth knowledge of GIS principles, spatial databases (e.g., PostGIS), and geospatial data formats (e.g., GeoJSON, Shapefile), with a solid understanding of coordinate systems, map projections, and spatial analysis techniques that are crucial for creating accurate interactive web maps using Mapbox, Leaflet, and OpenLayers. ✅ Web Mapping Technologies: Extensive experience with Mapbox, Leaflet, and OpenLayers to create interactive web maps that are both visually appealing and highly functional. I can customize these web maps to meet your unique requirements, ensuring seamless integration with your existing systems and optimal performance. ✅ Database Management: Proficient in working with relational databases (e.g., PostgreSQL, MySQL) and spatial databases (e.g., PostGIS) for efficient storage and retrieval of geospatial data. My experience in database management ensures that your Mapbox and Leaflet interactive web maps have fast and reliable data access. ✅ Data Visualization: Skilled in visualizing geospatial data using charting libraries like D3.js or Plotly. I create intuitive and informative data visualizations that enhance your interactive web maps developed with Mapbox, Leaflet, and OpenLayers. ✅ Spatial Analysis and Modeling: Capable of performing advanced spatial analysis tasks such as buffering, overlaying, network analysis, and geoprocessing. My expertise in tools like ArcGIS, QGIS, and ArcGIS Pro complements my work in developing interactive web maps with Mapbox and Leaflet. ✅ Version Control and Collaboration: Proficient in using version control systems like Git for code management and collaboration within development teams. My approach ensures that your interactive web maps built with Mapbox and Leaflet are maintained with the highest standards. ✅ Problem-Solving and Analytical Skills: Strong analytical thinking and problem-solving abilities enable me to address complex spatial challenges and develop innovative solutions using Mapbox, Leaflet, OpenLayers, and other geospatial technologies. Whether you need to optimize map performance or customize map styles, I have the expertise to deliver results. ✅ Communication and Collaboration: Excellent communication skills allow me to effectively collaborate with cross-functional teams & clients. I translate technical concepts into understandable terms and work in agile development environments, ensuring your interactive web maps meet all project requirements. ⭐ Technologies: Geographic Information Systems (GIS) Software: ArcGIS, QGIS. Spatial Databases: PostgreSQL with PostGIS, Microsoft SQL Server. Programming Languages: Python, JavaScript, SQL. Web Mapping Libraries: Leaflet, OpenLayers, Mapbox GL JS, CesiumJS, Potree. GIS APIs: Google Maps API, ArcGIS API for JavaScript, Mapbox API, MapTiler API. Front-end Frameworks: React, Angular, Wordpress Back-end Frameworks: Node.js, Django, GeoServer. Data Visualization: D3.js, Plotly. Geospatial Analysis: GDAL, P, rasterio, TurfJS, GeoPandas. Spatial ETL (Extract, Transform, Load): FME. Version Control: Git, GitHub, Bitbucket. Cloud Computing: Amazon Web Services (AWS) Mobile Development: React Native. Containerization: Docker. Data Formats: GeoJSON, Shapefile, KML, GeoTIFF, vector tiles. Let’s connect to discuss how my expertise in Mapbox help your business

With a robust foundation in Geo-Informatics and Computer Science, I bring a comprehensive skill set to tackle complex geospatial and web application challenges. My journey began in 2017 as a GIS Data Specialist at Crittermaps, where I honed my expertise in geospatial data analytics—ranging from data collection and preprocessing to detailed analysis and visualization using the Esri suite, particularly ArcGIS Pro, alongside Python and Excel for workflow automation. After earning my Master’s in Computer Science in 2019, I transitioned into full-stack development, specializing in WebGIS applications. My technical toolkit includes the PERN stack (PostgreSQL, ExpressJS, ReactJS, NodeJS) and a diverse array of mapping libraries such as OpenLayers, Leaflet, Turf.js, and MapboxGL/MapLibreGL for dynamic geographical data visualization. On the backend, I’ve managed spatial data using PostGIS, GeoServer (WMS, WFS, WPS), MapServer, and Tegola (Vector Tiles), ensuring efficient data storage, handling, and analysis. I am also a certified AWS DevOps Cloud Practitioner, which enhances my capabilities in cloud-based deployment and management of applications. My expertise extends to scripting and automation in Python, R, bash, and SQL, where I develop scripts for data acquisition, processing, and analysis, as well as deploying databases and map servers and creating robust web maps, APIs, and applications. Core Competencies: Geospatial Data Analytics: Expertise in data collection, preprocessing, analysis, and visualization with ArcGIS Pro, Python, and Excel. WebGIS Development: Proficient in PERN stack, OpenLayers, Leaflet, Turf.js, MapboxGL/MapLibreGL for frontend development. Backend Management: Skilled in PostGIS, GeoServer, MapServer, and Tegola for spatial data handling and analysis. Cloud and DevOps: Certified AWS DevOps Cloud Practitioner with experience in cloud-based deployment and management. Automation & Scripting: Advanced capabilities in Python, R, bash, and SQL for workflow automation, data processing, and API development. Interests: Web Application Development Geo-Spatial Application Development Microservices and Serverless Architectures Data Analytics and Artificial Intelligence Let’s collaborate to bring innovative solutions to your geospatial and web development projects!

I am highly skilled Geologist with postgraduate diploma in Remote sensing/GIS having 10 years of professional experience.. Proficient in extracting valuable information from geospatial data to support map production, natural resource exploration, and environmental monitoring. Expertise includes: - Geological mapping and interpretation - Remote Sensing data analysis - GIS data management and spatial analysis - Cartography and visualization - Strong understanding of geospatial concepts and data formats Skills: - Remote Sensing (RS) - Geographic Information Systems (GIS) - Cartography - Geology - Geospatial Analysis - Data Visualization - Spatial Database Management Softwares: • ArcGIS Pro • ArcMAP • Adobe Illustrator • MapInfo Pro • GOOGLE EARTH • ERDAS IMAGINE • GLOBAL MAPPER • ENVI • MOVE: Midland Valley Software • CorelDRAW Experience: - 10 years of experience in geological mapping, remote sensing, and GIS analysis - Worked on various projects, including mineral exploration, environmental monitoring, and natural resource management - Proficient in working with large datasets and extracting valuable insights I believe in client satisfaction, quality of work. I prefer discussing the project before starting. Drop me a message and I will get back to you shortly.

I’m a GIS developer who builds production-grade mapping apps: WebGIS maps, WMS/WFS overlays, PostGIS spatial APIs, and clean React dashboards. Top Rated • 100% Job Success • All 5★ reviews • $5K+ earned on Upwork I build fast WebGIS applications, interactive maps, spatial APIs, and geospatial dashboards that turn location data into clear workflows and decisions. WHAT YOU CAN HIRE ME FOR • WebGIS maps & dashboards: layers, filters, search, popups, clustering, heatmaps, choropleths, drawing tools • Full-stack GIS backend: PostGIS schema + spatial queries, GeoJSON/vector tiles, REST APIs (Django/Node), roles/auth • WMS/WFS + GIS services: GeoServer/ArcGIS integration, styling, caching/tiling, performance tuning • Data pipelines: Shapefile/GeoJSON/CSV ingestion, validation, CRS fixes, ETL automation • Fix & optimize: Mapbox/Leaflet bugs, slow rendering, large datasets, stability improvements TYPICAL PROJECTS Parcel/land viewers, planning portals, asset/utility maps, real estate map search, logistics dashboards, environmental monitoring. TECH STACK React/Next.js, JavaScript/TypeScript, Mapbox GL/MapLibre, Leaflet/OpenLayers, PostgreSQL + PostGIS, GeoServer, ArcGIS Online, QGIS, Python. HOW I WORK 1- Requirements + sample data → quick plan 2- MVP delivered fast (search + click-to-attributes + layers) 3- Iterate (filters, exports, analytics, roles, performance) 4- Clean handover (docs + deployment support) To start: send your AOI, sample dataset/layers, and the workflows you need (search/click/filter/export). If you already have a WebGIS app with bugs or performance issues, I can jump in and stabilize it quickly.

Hi, Thanks for reviewing my profile. Don’t worry, you are in the safe hand for your GIS jobs and I will provide 5 star services. I am a qualified GIS profession with 6 years' advanced technical experience and knowledge. I treat every job carefully and pay attention to detail. Map making and data/image processing are the key responsibilities in my career including all sorts of maps, mapbook and map series, CAD to GIS conversion and vice versa, image (DEM, LiDAR, ECW, points cloud, etc) process, 3D data visualisation and geospatial data analysis. I have expertise in Esri product suites including ArcGIS Pro, ArcGIS Online/Enterprise admin, Field Maps, Survey123 forms creation and customised as well as QGIS. My work has been recognised by current clients and previous employers. Looking forward to working with you. Kai

I help organizations turn 𝐜𝐨𝐦𝐩𝐥𝐞𝐱 𝐠𝐞𝐨𝐬𝐩𝐚𝐭𝐢𝐚𝐥 and 𝐬𝐚𝐭𝐞𝐥𝐥𝐢𝐭𝐞 𝐝𝐚𝐭𝐚 into 𝐜𝐥𝐞𝐚𝐫, 𝐫𝐞𝐥𝐢𝐚𝐛𝐥𝐞 𝐢𝐧𝐬𝐢𝐠𝐡𝐭𝐬 they can use to make better decisions. With over 𝐟𝐢𝐯𝐞 𝐲𝐞𝐚𝐫𝐬 𝐨𝐟 𝐞𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞 in 𝐆𝐈𝐒, 𝐑𝐞𝐦𝐨𝐭𝐞 𝐒𝐞𝐧𝐬𝐢𝐧𝐠, and 𝐏𝐲𝐭𝐡𝐨𝐧 development, I have supported teams across government, infrastructure, environmental monitoring, and research by delivering practical and scalable geospatial solutions. My core strength is working across the 𝐟𝐮𝐥𝐥 𝐠𝐞𝐨𝐬𝐩𝐚𝐭𝐢𝐚𝐥 𝐩𝐢𝐩𝐞𝐥𝐢𝐧𝐞, from 𝐝𝐚𝐭𝐚 𝐚𝐜𝐪𝐮𝐢𝐬𝐢𝐭𝐢𝐨𝐧 and 𝐩𝐫𝐞𝐩𝐫𝐨𝐜𝐞𝐬𝐬𝐢𝐧𝐠 𝐭𝐨 𝐚𝐧𝐚𝐥𝐲𝐬𝐢𝐬, 𝐚𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧, and 𝐯𝐢𝐬𝐮𝐚𝐥𝐢𝐳𝐚𝐭𝐢𝐨𝐧. I work extensively with satellite imagery and spatial datasets to perform 𝐥𝐚𝐧𝐝 𝐜𝐨𝐯𝐞𝐫 𝐜𝐥𝐚𝐬𝐬𝐢𝐟𝐢𝐜𝐚𝐭𝐢𝐨𝐧, 𝐜𝐡𝐚𝐧𝐠𝐞 𝐝𝐞𝐭𝐞𝐜𝐭𝐢𝐨𝐧, 𝐟𝐞𝐚𝐭𝐮𝐫𝐞 𝐞𝐱𝐭𝐫𝐚𝐜𝐭𝐢𝐨𝐧, and 𝐬𝐩𝐚𝐭𝐢𝐚𝐥 𝐦𝐨𝐝𝐞𝐥𝐢𝐧𝐠. When appropriate, I apply 𝐀𝐈 and 𝐦𝐚𝐜𝐡𝐢𝐧𝐞 𝐥𝐞𝐚𝐫𝐧𝐢𝐧𝐠 techniques to improve accuracy and reduce 𝐦𝐚𝐧𝐮𝐚𝐥 𝐆𝐈𝐒 𝐞𝐟𝐟𝐨𝐫𝐭. I am experienced in 𝐏𝐲𝐭𝐡𝐨𝐧 𝐛𝐚𝐬𝐞𝐝 𝐠𝐞𝐨𝐬𝐩𝐚𝐭𝐢𝐚𝐥 𝐰𝐨𝐫𝐤𝐟𝐥𝐨𝐰𝐬, including 𝐚𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧, 𝐝𝐚𝐭𝐚 𝐜𝐥𝐞𝐚𝐧𝐢𝐧𝐠, and 𝐫𝐞𝐩𝐫𝐨𝐝𝐮𝐜𝐢𝐛𝐥𝐞 𝐚𝐧𝐚𝐥𝐲𝐬𝐢𝐬. I work with 𝐐𝐆𝐈𝐒, 𝐀𝐫𝐜𝐆𝐈𝐒, 𝐏𝐨𝐬𝐭𝐆𝐈𝐒, 𝐆𝐨𝐨𝐠𝐥𝐞 𝐄𝐚𝐫𝐭𝐡 𝐄𝐧𝐠𝐢𝐧𝐞, and modern 𝐠𝐞𝐨𝐬𝐩𝐚𝐭𝐢𝐚𝐥 𝐥𝐢𝐛𝐫𝐚𝐫𝐢𝐞𝐬, and I deliver results through 𝐢𝐧𝐭𝐞𝐫𝐚𝐜𝐭𝐢𝐯𝐞 𝐦𝐚𝐩𝐬, 𝐝𝐚𝐬𝐡𝐛𝐨𝐚𝐫𝐝𝐬, or 𝐀𝐏𝐈𝐬 that integrate smoothly with existing systems. Beyond execution, I focus on 𝐜𝐥𝐚𝐫𝐢𝐭𝐲, 𝐝𝐚𝐭𝐚 𝐪𝐮𝐚𝐥𝐢𝐭𝐲 and 𝐫𝐞𝐥𝐢𝐚𝐛𝐢𝐥𝐢𝐭𝐲. I provide 𝐰𝐞𝐥𝐥 𝐝𝐨𝐜𝐮𝐦𝐞𝐧𝐭𝐞𝐝 𝐰𝐨𝐫𝐤𝐟𝐥𝐨𝐰𝐬 and outputs that 𝐝𝐞𝐜𝐢𝐬𝐢𝐨𝐧 𝐦𝐚𝐤𝐞𝐫𝐬 𝐭𝐫𝐮𝐬𝐭, and I also offer 𝐭𝐫𝐚𝐢𝐧𝐢𝐧𝐠 𝐚𝐧𝐝 𝐜𝐨𝐧𝐬𝐮𝐥𝐭𝐢𝐧𝐠 to help teams adopt 𝐦𝐨𝐝𝐞𝐫𝐧 𝐆𝐈𝐒 𝐚𝐧𝐝 𝐫𝐞𝐦𝐨𝐭𝐞 𝐬𝐞𝐧𝐬𝐢𝐧𝐠 𝐭𝐨𝐨𝐥𝐬 with confidence. If you are looking for a 𝐬𝐞𝐧𝐢𝐨𝐫 𝐠𝐞𝐨𝐬𝐩𝐚𝐭𝐢𝐚𝐥 𝐞𝐧𝐠𝐢𝐧𝐞𝐞𝐫 who combines 𝐭𝐞𝐜𝐡𝐧𝐢𝐜𝐚𝐥 𝐝𝐞𝐩𝐭𝐡, 𝐩𝐫𝐚𝐜𝐭𝐢𝐜𝐚𝐥 𝐞𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞, I would be glad to discuss how I can support your project.

🔹 Top Rated 🔹 4+ Years of Experience 🔹 5★ Ratings 🔹 Expert in Interactive Web Maps, Geospatial Analysis & Custom Dashboards 🔹Flexible hours — US/UK/Middle East friendly As a skilled GIS Developer and Full-Stack Web Mapping Specialist, I turn complex geospatial data into intuitive, interactive, and visually stunning web applications using cutting-edge technologies like Mapbox, Leaflet, OpenLayers, and CesiumJS. My mission? To help clients solve location-based challenges, automate GIS workflows, and deliver spatial insights that drive decisions — all through clean, scalable code. Whether you're building a real estate property viewer, urban planning dashboard, environmental monitoring tool, agricultural analysis platform, 3D GIS viewer, or automating raster/vector processing pipelines, I bring deep domain expertise and a passion for user-centered geospatial applications that serve industries such as real estate, utilities, infrastructure, logistics, natural resources, and smart cities. My Tech Toolkit: -> Frontend: ReactJS | Angular | MUI | Bootstrap -> Backend: Express | Python | Django | Flask | Node.js -> Mapping: Mapbox | Leaflet | OpenLayers | Cesium | Google Maps | DeckGL -> Databases: PostgreSQL + PostGIS | MongoDB | MySQL -> GIS Tools: QGIS | ArcGIS | GDAL | FME | GeoPandas | Rasterio -> Data Formats: GeoJSON | Shapefile | KML | GeoTIFF | WMS/WFS | Vector Tiles - Mobile: React Native (for location-based apps) ✨ Core Expertise: 🌐 Interactive Web Mapping -> Custom map apps using Mapbox GL JS, Leaflet, OpenLayers, or CesiumJS -> Dynamic layers, real-time data feeds, fly-to animations, and popups -> 3D visualization, vector tile rendering, and globe-based apps 🧠 Spatial Analysis & Automation -> Buffering, overlays, routing, interpolation, and proximity queries -> Automation of raster tile uploads, format conversion, and ETL pipelines -> Tools: GDAL, GeoPandas, Turf.js, FME, Rasterio ⚙️ Backend & API Development -> REST APIs using Node.js, Express, Django, or Flask -> Integration of PostGIS spatial queries and real-time GeoJSON endpoints -> Secure user auth, project dashboards, and cloud deployments (AWS, Docker) 🎯 Data Visualization & Dashboards -> Custom geospatial dashboards using D3.js, Plotly, or PowerBI -> User-friendly UI with React, Vue, or Angular -> Scrollable layers panel, live legend updates, and responsive design 💡 Why Work With Me? Client satisfaction is my top priority. I deliver tailored solutions that exceed expectations and meet your specific needs. I’m committed to providing high-quality, customized solutions that not only meet but exceed your expectations. Whether it's a simple map or a complex GIS platform, I work closely with you to ensure every detail is perfect.

Most geospatial projects stall for the same reason. The data is there, but nobody can turn it into something a decision maker can actually use. That is the gap I close. I am a Top Rated GIS and Remote Sensing specialist with a 100 percent Job Success score. I help mining companies, environmental teams, urban planners, and research groups turn raw spatial and satellite data into clear maps, dashboards, and analysis they can act on. What I can do for you: Remote Sensing and Hyperspectral Analysis: processing and interpretation of PRISMA, EMIT, AVIRIS, Sentinel, and Landsat imagery for mineral mapping, vegetation health, and environmental change. Web GIS and Interactive Dashboards: dynamic web maps and dashboards built with Leaflet, Mapbox, R Shiny, and Geoserver, so your team can explore the data without needing any GIS software. Spatial Analysis and Automation: advanced spatial and statistical analysis with Python and R, plus automation that removes repetitive manual work from your workflow. Mineral Exploration Support: identifying high potential zones using hyperspectral imagery, geophysical data, and tools like Leapfrog. Tools I work with: ArcGIS Pro, QGIS, Google Earth Engine, Python, RStudio, Leapfrog, Leaflet, and Mapbox. A few recent projects: a water consumption dashboard for a client in the Gulf region, a petroleum mapping system covering South Australia, conifer identification from UAV imagery, and spectral analysis using the NASA ECOSTRESS library. All rated five stars. Tell me a bit about your project and I will give you an honest assessment of how I can help and whether I am the right fit. I usually reply within a few hours.

I create publication-quality maps for publishers, museums, engineering firms, NGOs, tourism organizations, environmental consultants, and government agencies worldwide. For more than 25 years, I have combined GIS analysis, cartographic design, illustration, and visual storytelling to produce maps that are both scientifically accurate and visually compelling. My work ranges from climate resilience, biodiversity, and infrastructure projects to museum exhibitions, editorial publications, tourism maps, corporate wall graphics, and interactive web maps. Unlike many GIS specialists, I don’t simply generate maps—I design communication products that help people understand complex information. My clients include The World Bank, USAID, DAI Global, the Charles Darwin Research Station, the Swedish Forest Agency, Expedition Map LLC, and numerous engineering firms, publishers, universities, and environmental organizations. Services include: • Cartographic Design • GIS Analysis and Spatial Modeling • Thematic and Environmental Mapping • Editorial and Book Maps • Museum and Exhibition Maps • Terrain Visualization and 3D Relief Mapping • Infographics and Scientific Illustration • Interactive Web Maps • Large-Format Wall Graphics Software: ArcGIS Pro, QGIS, Blender, Adobe Illustrator, Adobe Photoshop, Python, FME, SAGA GIS, PostGIS and Leaflet.