Hire the Best Geographic Information System (GIS) Developers
in Turkey

I work with US and international clients on GIS analysis, WebGIS development, location intelligence, remote sensing, and geospatial data engineering. My focus is on practical GIS systems: clean data, correct spatial logic, repeatable workflows, and outputs that teams can actually use. Recent US project work includes address matching and territory planning for operational teams, public facing GIS maps for policy and exhibition use in Omaha, property and building height analysis in Los Angeles, and a browser based weather graphics platform built with MapLibre, radar layers, timeline controls, and export ready map views. International work includes site selection analysis in Germany, parcel and location intelligence workflows, PostGIS and QGIS topology cleanup, UK air quality grid matching, raster processing, and WebGIS tools built with MapLibre, Google Maps API, AWS, and spatial databases. I can support projects involving GIS analysis, WebGIS dashboards, PostGIS workflows, raster and remote sensing analysis, automated geospatial pipelines, and custom mapping tools. If you need a one time analysis, a repeatable GIS workflow, or a full WebGIS prototype, I can take the project from raw data to final deliverable with a clear technical process.

I am a GIS Expert focused on spatial modeling and decision-support systems. My work goes beyond map production. I design structured geospatial workflows that transform complex spatial data into measurable, decision-ready outputs. My expertise includes multi-criteria suitability analysis, raster-based environmental modeling, hotspot detection, spatial aggregation, and risk assessment using ArcGIS Pro and QGIS. I work extensively with infrastructure and planning datasets, building analytical models that support strategic site selection, optimization, and data-driven decision processes. My approach emphasizes technical depth, clear methodology, and delivering reliable spatial intelligence that directly supports operational and strategic decisions. If your project requires advanced spatial thinking and robust GIS execution, I can provide structured, high-impact solutions.

I am a Geospatial Data Engineer and Python Developer specializing in turning complex spatial problems and unstructured data into clean, automated, and scalable solutions. With a strong engineering foundation, I don't just write code; I design lightweight, cost-effective pipelines that eliminate manual work and deliver precise analytical insights. Whether you need to extract thousands of records from confidential PDFs, build a live-updating interactive web map, or enhance satellite imagery using Deep Learning, I deliver engineering-grade results. My Core Capabilities: -Geospatial Engineering & Web Mapping: Building live, interactive web applications (Streamlit, Folium) for real-time spatial data tracking. Advanced spatial analysis, coordinate transformations, and database management using QGIS and PostgreSQL/PostGIS. -Data Automation & ETL Pipelines: Developing robust Python scripts (using RegEx, Pandas) to automatically parse, clean, and extract data from messy, unstructured sources (like official PDFs or raw text) into structured Excel files or BI dashboards. -Remote Sensing & Computer Vision: Designing custom data pipelines (Rasterio, OpenCV) and training Deep Learning models (TensorFlow/Keras). Experience includes developing SRGAN models to successfully upscale and enhance the resolution of satellite and aerial imagery. -Business Logic & Analytics: Creating smart data models and dashboards with complex underlying logic (e.g., inventory lifecycle tracking, predictive risk analysis) to drive actionable business decisions. My Approach: I believe in "Process & Forget" systems—building reliable, hands-off automation that runs silently in the background.

Notice : I am new to the Upwork platform, but my projects are globally recognized. I am an expert GIS Software Developer. As a seasoned Senior Geographic Information Systems (GIS) Developer, I bring over a decade of experience in crafting innovative geospatial solutions that drive efficiency and insight. My journey has equipped me with a robust skill set, enabling me to deliver exceptional results for clients across various industries. Professional Experience: - Chief Technology Officer (CTO) at Mina MMC, Baku, Azerbaijan (2023-Present): Leading technological advancements and overseeing the development of cutting-edge GIS applications. - Founder of GISLayer Inc., Izmir, Turkey (2020-Present): Established a company that launched the GISLayer Web GIS Editor, now serving nearly 4,000 members. - Senior GIS Developer at TechMaven Geospatial, Miami, USA (2017-2023): Developed and managed complex GIS projects, enhancing spatial data analysis capabilities. - Senior GIS Developer at Infrapedia, San Francisco, USA (2019-2020): Contributed to global infrastructure mapping initiatives, providing detailed geospatial insights. - Mid-Level GIS Developer at Başkent Natural Gas, Ankara, Turkey (2017-2020): Implemented GIS solutions to optimize natural gas distribution networks. - Junior GIS Developer at Metropolitan Municipality, Konya, Turkey (2014-2017): Supported urban planning projects through detailed spatial analyses. - Geomatics Engineer at Geomatics Group, Izmir, Turkey (2011-2013): Conducted land surveying and spatial data collection for various engineering projects. Educational Background: - Selcuk University (2009-2015): Bachelor's degree in Geomatics Engineering, providing a solid foundation in spatial data analysis and geospatial technologies. Technical Proficiencies: - Web GIS: Proficient in OpenLayers, Mapbox GL JS, ArcGIS JS, LeafletJS, CesiumJS, and Google Maps. - Back-End Development: Experienced with Node.js, .NET C#, Java Spring Boot, PHP, and Python. - Front-End Development: Skilled in JavaScript, React, VueJS, HTML5, CSS3, and WebAssembly. - Database Management: Adept with PostgreSQL, Oracle, MySQL, MongoDB, ElasticSearch, and SQLite. - Mobile Development: Competent in Flutter and Android development. Notable Projects: - GISLayer Web GIS Editor: A web-based GIS tool enabling users to manage analyses and geometric data efficiently. - Online Remote Sensing Analysis Software: A platform facilitating NDVI, NDWI, NBR, and other analyses using satellite imagery. - Interactive Map Tourist Guide: A tool highlighting key points of interest for tourists exploring various cities. - 3D City Guide for Municipalities: Software assisting municipalities in sharing points of interest, cadastral, zoning, and address information with residents. Personal Interests: Beyond my professional endeavors, I am passionate about software development, which I consider my most valuable hobby. I am also an accomplished painter and sculptor, enjoy playing multiple musical instruments, and engage in activities such as swimming, tennis, and skiing to maintain a balanced lifestyle. I am committed to leveraging my expertise to deliver top-tier geospatial solutions that meet and exceed client expectations. Let's collaborate to bring your project to fruition.

I have 10+ years of experience on web app development(back end + front end) especially GIS projects Experienced; LeafletJS, Mapbox, Openlayers, Geoserver, PostGis, Google Map API C#, .Net Framework, Asp .Net WebForms, Asp .Net MVC, Asp .Net Core Angular+Openlayers Geoserver REST API

🤚Hello, I am 𝐊𝐞𝐧𝐚𝐧 from Turkey. I am a seasoned 𝐅𝐮𝐥𝐥 𝐒𝐭𝐚𝐜𝐤 𝐒𝐨𝐟𝐭𝐰𝐚𝐫𝐞 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫, 𝐆𝐈𝐒 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫, and 𝐀𝐈/𝐌𝐋 𝐒𝐩𝐞𝐜𝐢𝐚𝐥𝐢𝐬𝐭 with years of hands-on experience. I specialize in creating robust and scalable applications using 𝐍𝐨𝐝𝐞.𝐣𝐬, 𝐏𝐲𝐭𝐡𝐨𝐧, and 𝐏𝐇𝐏, ensuring seamless user experiences from Front-End to Back-End. I pride myself on delivering 𝐜𝐥𝐞𝐚𝐧, 𝐦𝐚𝐢𝐧𝐭𝐚𝐢𝐧𝐚𝐛𝐥𝐞 code that meets deadlines and exceeds client expectations. In GIS development, I have expertise in 𝐀𝐫𝐜𝐆𝐈𝐒, 𝐐𝐆𝐈𝗦 and 𝐆𝐞𝐨𝐒𝐩𝐚𝐭𝐢𝐚𝐥 𝐃𝐚𝐭𝐚 𝐏𝐫𝐨𝐜𝐞𝐬𝐬𝐢𝐧𝐠, and have successfully integrated various platforms such as 𝐆𝐨𝐨𝐠𝐥𝐞 𝐌𝐚𝐩𝐬, 𝐌𝐚𝐩𝐛𝐨𝐱, and 𝐇𝐄𝐑𝐄 𝐌𝐚𝐩𝐬. As an AI/ML Specialist, I mainly 𝐟𝐢𝐧𝐞-𝐭𝐮𝐧𝐞 and deploy machine learning models using 𝐓𝐞𝐧𝐬𝐨𝐫𝐅𝐥𝐨𝐰 and 𝐏𝐲𝐓𝐨𝐫𝐜𝐡 to tackle complex challenges. I am proficient in front-end technologies like 𝐑𝐞𝐚𝐜𝐭 and 𝐕𝐮𝐞.𝐣𝐬, and back-end databases such as 𝐌𝐨𝐧𝐠𝐨𝐃𝐁, 𝐌𝐲𝐒𝐐𝐋, and 𝐏𝐨𝐬𝐭𝐠𝐫𝐞𝐒𝐐𝐋. My skills include 𝐑𝐄𝐒𝐓𝐟𝐮𝐥 𝐀𝐏𝐈 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭, microservices architecture, and cloud computing with 𝐀𝐖𝐒 and 𝐆𝐂𝐏. I am dedicated to advancing technology, continually improving development practices, and delivering innovative solutions. Whether you need a sophisticated web application, advanced GIS solutions, or cutting-edge AI/ML models, I am here to bring your vision to life with expertise and dedication. 𝑯𝒆𝒓𝒆 𝒈𝒐𝒆𝒔 𝒎𝒚 𝒔𝒌𝒊𝒍𝒍 𝒔𝒆𝒕𝒔: ✅𝐅𝐫𝐨𝐧𝐭𝐞𝐧𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: TypeScript, JavaScript React, Vue.js, Next.js, Nuxt.js ✅𝐁𝐚𝐜𝐤𝐞𝐧𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: Node.js, Express.js, Nest.js Python, Django, FastAPI PHP, CodeIgniter, Laravel, Zend Framework ✅𝐆𝐈𝐒 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: ArcGIS, QGIS Google Maps, Mapbox, HERE Maps ✅𝐀𝐫𝐭𝐢𝐟𝐢𝐜𝐢𝐚𝐥 𝐈𝐧𝐭𝐞𝐥𝐥𝐢𝐠𝐞𝐧𝐜𝐞 𝐚𝐧𝐝 𝐌𝐚𝐜𝐡𝐢𝐧𝐞 𝐋𝐞𝐚𝐫𝐧𝐢𝐧𝐠: PyTorch, TensorFlow LLM (Large Language Model), LangChain NLP, OpenAPI ✅𝐂𝐥𝐨𝐮𝐝 𝐏𝐥𝐚𝐭𝐟𝐨𝐫𝐦𝐬: AWS, GCP ✅𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞 𝐌𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭 𝐒𝐲𝐬𝐭𝐞𝐦𝐬: MongoDB, PostgreSQL, MySQL, Firebase ✅𝐀𝐏𝐈 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: RESTful API, GraphQL API ✅𝐕𝐞𝐫𝐬𝐢𝐨𝐧 𝐂𝐨𝐧𝐭𝐫𝐨𝐥 𝐒𝐲𝐬𝐭𝐞𝐦𝐬 𝐚𝐧𝐝 𝐏𝐫𝐨𝐣𝐞𝐜𝐭 𝐌𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭 𝐓𝐨𝐨𝐥𝐬: Git, GitHub, GitLab Jira, Trello, Asana, ClickUP Let's collaborate to turn your concepts into effective digital solutions. Reach out today to discuss how I can support your project objectives and drive success.