I’m a GIS and Remote Sensing specialist experienced in turning satellite and spatial data into analysis-ready insights for environmental, agricultural, and land-use applications. Whether you need data preprocessing, classification, time-series analysis, or clear geospatial outputs, I can help. • Skilled in satellite data processing (Sentinel-1/2, VIIRS), GIS analysis (ArcGIS, QGIS), and Python-based workflows (xarray, rasterio, GDAL) • Experience with land-use classification, vegetation indices, and spatiotemporal analysis • End-to-end project support from raw data to maps, figures, and reproducible results • Clear communication and well-documented workflows are a priority for me

Within the world of GIS, Remote Sensing, and geospatial analysis, I've built a strong foundation. I've successfully tackled various projects in these fields, showcasing my ability to work with spatial data, conduct mapping and analysis, and utilize advanced software tools. Beyond my geospatial skills, I also have a strong background in STEM subjects, particularly mathematics. With four years of tutoring experience, I'm proficient in teaching and problem-solving in mathematics, physics, and chemistry. Additionally, I provide translation services between English, Nepali, and Hindi, ensuring smooth communication across these languages. As a dedicated freelancer on Upwork, I'm known for my reliability and commitment to delivering high-quality work. Whether you need help with GIS, Remote Sensing, or STEM tutoring and translation, I'm enthusiastic about taking on new challenges and exceeding your expectations.

Hi! I'm Sofía, a Geologist based in Argentina with hands-on experience in both mining and Oil & Gas. I offer remote technical support in geoscience data analysis, GIS mapping, and wireline data handling. I’ve worked in the field in geotechnical roles and trained internationally as a Field Engineer Trainee at Baker Hughes. Here’s what I can help you with: ✅ Geological and geotechnical data interpretation (Excel, Python, R) ✅ Creation of professional maps in QGIS / ArcGIS ✅ Support with wireline logs (CBL, RBT, LAS/DLIS formats) ✅ Technical reports, summaries, data visualization ✅ Spanish-English translation of scientific documents ✅ Remote assistance for mining/O&G operations and data workflows I combine field knowledge with analytical skills and a strong commitment to quality and deadlines. Let’s work together on your next geoscience project — remote, reliable, and efficient.

Site Engineer & GIS Specialist with 4+ years of experience in spatial planning, property development, and spatial analysis. Experienced in leading land surveys spanning up to 5,000 hectares and designing 25+ site plan layouts for strategic projects. Skilled in drone mapping, thematic map creation (ArcGIS), and construction project management with a 95% timeline compliance rate. Proficient in integrating field data (Total Station, Drone) with spatial analysis to optimize designs. Certified Drone Pilot (APDI) and LPJK-certified Junior Building Construction Expert.

I am a senior GIS and geospatial technology consultant with strong expertise in designing, implementing, and optimizing enterprise GIS solutions for complex operational environments. My background spans ArcGIS Enterprise, ArcGIS Server, Portal for ArcGIS, ArcGIS GeoEvent Server, ArcGIS Pro, Python/ArcPy automation, raster data management, web GIS application development, and AWS-based deployments. I specialize in building scalable geospatial systems that improve decision-making, streamline workflows, and deliver measurable value for organizations that depend on accurate, high-performance spatial data solutions. Over the course of my career, I have led GIS architecture and development initiatives involving enterprise platform administration, automated ETL workflows, geodatabase design and maintenance, web service publishing, field data collection solutions, dashboard development, and real-time tracking applications. I have built and supported solutions using ArcGIS Field Maps, ArcGIS Dashboards, Experience Builder, Web AppBuilder, and ArcGIS Pro to help clients manage data more efficiently and transform it into actionable intelligence. My work also includes integrating ESRI technology with external systems and APIs, developing custom GIS applications with .NET, and supporting cloud-hosted raster and imagery management environments. I bring a combination of deep technical capability and practical business understanding, allowing me to deliver GIS solutions that are both technically sound and aligned with client goals. Whether the need is ArcGIS Enterprise administration, ArcGIS Pro map and data workflows, GIS automation, spatial data migration, dashboard creation, application development, or overall GIS modernization, I focus on delivering clean, dependable, and results-driven solutions. My experience includes configuring and administering enterprise GIS environments from the ground up, including server setup, portal configuration, service management, user access support, and performance optimization. I understand how to build GIS systems that are stable, secure, and ready for real-world operational use. I have worked on solutions that support emergency response, field operations, incident awareness, and executive-level visibility, which has given me a strong appreciation for the importance of data accuracy, system uptime, and intuitive application design. I am especially strong in GIS automation and workflow improvement. Using Python, ArcPy, and repeatable ETL processes, I help organizations reduce manual effort, standardize data handling, and improve the speed and quality of GIS delivery. This includes automating map and service publishing, loading and transforming spatial data, managing feature classes and geodatabases, and creating scripts that support long-term operational efficiency. I understand that many clients are not just looking for technical help — they are looking for someone who can simplify complex processes and create systems that save time and reduce risk. ArcGIS Pro is a major part of my toolkit, and I use it for advanced mapping, spatial analysis, data management, cartography, workflow design, and enterprise publishing support. I can help clients with map creation, project setup, geoprocessing workflows, layer and schema management, data preparation, and integration with ArcGIS Enterprise environments. I also support organizations that need to move from disconnected desktop workflows toward more modern, connected enterprise GIS operations. In addition to core ESRI platform expertise, I bring experience supporting cloud-based GIS environments, particularly in AWS. I understand how to deploy and manage GIS solutions on Amazon EC2 Windows servers and support the infrastructure required for enterprise web GIS applications and imagery systems. This includes balancing technical performance with scalability, maintainability, and operational practicality. Clients value me for being able to step into both strategic and hands-on roles. I can help define GIS architecture, recommend the right tools and workflows, troubleshoot platform issues, improve existing deployments, and build new applications from concept to delivery. I am comfortable working independently, collaborating with technical teams, and communicating clearly with stakeholders who may not come from a GIS background. My goal is always to make GIS more useful, more efficient, and more impactful for the organization. If you are looking for a GIS professional who can combine ArcGIS Enterprise expertise, ArcGIS Pro capability, automation skills, cloud knowledge, and application development experience into practical, high-value solutions, I would be glad to support your project. Core expertise: ArcGIS Pro, ArcGIS Enterprise, Portal for ArcGIS, ArcGIS Server, ArcGIS GeoEvent Server, ArcPy, Python scripting, ETL automation, geodatabases, raster management, AWS EC2, ArcGIS Dashboards, Experience Builder, Web AppBuilder, Field Maps

I’m Ariam, a Full Stack & AI Engineer with a strong focus on AI-driven SaaS platforms, GIS applications, automation systems, and advanced Computer Vision/ML solutions. I help companies transform complex workflows into clean, scalable, and intelligent applications that deliver real business value. 🌐 Core Expertise. 🧠 Artificial Intelligence & Machine Learning. - LLM apps (OpenAI, Claude, Gemini). - RAG pipelines, embeddings & vector DBs. - YOLO (v8/v9), object tracking, OCR. - Automation agents & workflow intelligence. 💻 Full Stack Development. - Frontend: React, Next.js,Vue.js, Nuxt.js TypeScript, Tailwind. - Backend: Python (FastAPI/Django), Node.js (Express/Nest). - API architecture, microservices, real-time systems. - Multi-tenant SaaS platform development. 🗺 GIS Engineering. - Mapping apps, geospatial visualizations. - PostGIS, QGIS, Leaflet, Mapbox. - Location intelligence systems. ⚙ Automation & System Design. - Python automation pipelines. - Data extraction, ETL, integrations. - CI/CD, Docker, cloud deployments (AWS/GCP/Azure). 🔥 Why Work With Me. - Clear communication & rapid delivery. - Scalable, maintainable architecture. - Production-grade engineering standards. - Flexible timezone and long-term support. - Proven track record with global clients. If you need an engineer who understands AI, geospatial systems, automation, and modern full-stack development, I can help architect and build it from end to end. Send me a message and let’s turn your idea into a powerful, scalable product.

PERFIL PROFESIONAL Ingeniero Ambiental con más de 5 años de experiencia en formulación, ejecución y supervisión de proyectos de gestión ambiental, con dominio avanzado de sistemas de información geográfica GIS (ArcGIS y ArcGIS Pro) para el diseño, modelación y análisis territorial. Amplia trayectoria en elaboración de estudios técnicos para evaluación de impactos ambientales para acueductos, actividades agrícolas a gran escala, evaluación de licencias urbanísticas, estudios territoriales, y proyectos de sostenibilidad. Orientado al cumplimiento normativo, optimización de recursos y protección ambiental en sectores urbano-rurales.

I am a highly skilled Data Scientist, specializing in statistical analysis, geospatial analysis, and sophisticated data management techniques. My proficiency in R and Python, coupled with a strong foundation in ecological and environmental analysis (QGIS), enables me to deliver precise, data-driven insights and solutions. Overview: 1️⃣Statistical Analysis & Modeling: Proficient in statistical methodologies, hypothesis testing, regression analysis, and predictive modeling to derive actionable insights from data. 2️⃣R Programming: Expert in data manipulation, statistical analysis, and visualization using R, including packages such as ggplot2, dplyr, and tidyr. 3️⃣Python Programming: Advanced skills in Python for data analysis, machine learning, and automation with libraries like pandas, NumPy, scikit-learn, and matplotlib. 4️⃣Geospatial Analysis: Skilled in GIS software and spatial data analysis, proficient in handling geospatial data, creating maps, and performing spatial statistical analysis. 5️⃣Ecological & Environmental Analysis: Proficient in analyzing ecological and environmental data, conducting impact assessments, and providing actionable insights for conservation and sustainability projects. 6️⃣Data Query & Management: Experienced in SQL for data querying and database management. Strong ability to handle large datasets and ensure data integrity and performance optimization. Key Highlights: ⭐️ Available 7 days a week ⭐️ Fluent in English ⭐️ Fast response time ⭐️ Give updates daily ⭐️ Long-term project support Skills: ✅ Statistical analysis and modeling (R, Python) ✅ Geospatial analysis (QGIS, R) ✅ Data query (SQL) ✅ Data Cleaning ✅ Data Mining ✅ Data Scraping ✅ NLP (R, Python) ✅ Data Extraction (from websites, PDFs, etc.) ✅ Database Connection (SQL, Google Sheets,) ✅ Data Collection & Web Research

[ Last update: 3/May/2026 ] I'm a Geospatial Data Engineer with 8+ years of experience building scalable geospatial pipelines, AI models, and WebGIS applications. I specialize in turning raw geospatial data (satellite, UAV, vector) into automated, production-ready systems — from data ingestion to analysis, APIs, and visualization. I’ve worked across forestry, environmental monitoring, and custom client solutions, delivering tools that reduce manual work and enable real decision-making. What I do best: Remote Sensing & Geospatial Processing - End-to-end pipelines using Sentinel, Landsat, UAV imagery - Large-scale raster processing (GDAL, Rasterio, Numpy) - Change detection, NDVI workflows, land monitoring - Experience with STAC APIs and satellite data automation Data Engineering for Geospatial - Building ETL pipelines for spatial data (Python, Pandas, SQL) - PostgreSQL/PostGIS schema design and optimization - Automated workflows replacing manual GIS tasks - Handling large datasets efficiently (cloud + local processing) AI for Geospatial Applications - Semantic segmentation (land cover, deforestation, etc.) - Object detection (ships, wind turbines, infrastructure) - Custom computer vision models using PyTorch - Applied ML (Scikit-learn, OpenCV) WebGIS & Backend Development - FastAPI / Django backend development - Building REST APIs for geospatial systems - Interactive maps (Leaflet, MapLibre) - GeoServer and spatial services integration Cloud & Deployment - AWS (EC2, S3, Lambda) - Dockerized applications - Deploying scalable geospatial systems - Selected Experience - Built automated pipelines for satellite data processing and analysis - Developed WebGIS platforms for real-time geospatial visualization - Created AI models for environmental monitoring and object detection - Delivered custom ETL solutions integrating complex spatial datasets Why clients hire me? I don’t just “analyze maps” — I build complete geospatial systems. My focus is always: - Automation (less manual GIS work) - Scalability (ready for real-world data) - Clean, maintainable code If you need someone who can go from raw geospatial data → production system, let’s talk.

Hi, I’m Joseph - a Roof & Data Annotation Specialist and Land Marketing VA with strong expertise in high-precision polygon tracing, segmentation, and geospatial data preparation using CVAT, Roboflow, Label Studio, Segment ai and GIS tools. I help AI teams, geospatial companies, roofing contractors, and land investors transform aerial and satellite imagery into clean, consistent, model-ready datasets and structured property data. My core strength is precision - especially in complex roof structures, building footprints, parcel boundaries, and land mapping workflows. 🧠 Core Annotation Expertise I specialize in: - High-precision polygon annotation (tight boundary tracing) - Bounding box annotation & structured labeling - Semantic & instance segmentation - Roof and building footprint outlining - Aerial & satellite imagery labeling - Mask correction and refinement - Annotation QA & validation I focus on: ✔ Exact edge alignment ✔ No over- or under-segmentation ✔ Consistent class labeling ✔ Clean bounding boxes with minimal noise ✔ Dataset consistency across large batches I understand how annotation quality directly impacts model performance - and I work to deliver production-ready outputs. 🛰 Roof & Geospatial Specialization Hands-on experience with: - Roof polygon tracing from aerial/satellite imagery - Building footprint extraction - Parcel boundary outlining - Area calculation & mapping validation - Complex roof geometry segmentation Roof and aerial datasets require geometric accuracy - and that’s where my precision stands out. 🌎 Land Marketing VA Support In addition to annotation, I provide structured VA support for land and property businesses: - Property research & land comping - Parcel mapping & polygon overlays - Listing data organization - Canva-based marketing visuals - Satellite image enhancements - Data entry & spreadsheet management - Uploading listings to land platforms (Landmodo, LandSearch, etc.) This combination of annotation precision + geospatial understanding + marketing support allows me to support both AI projects and real estate workflows. 🛠 Tools & Platforms Annotation & AI Data Tools - CVAT (advanced polygon workflows, attributes, QA review) - Roboflow - Segment AI - Label Studio Geospatial & Mapping Tools - QGIS (spatial validation & area measurement) - Google Earth Pro - Satellite & aerial imagery analysis Land & Real Estate Workflow Tools - Landmodo / LandSearch/ LandCom platforms - LandID & REGRID - Parcel & county GIS viewers - Mapping overlays & parcel visualization VA & Marketing Tools - Canva (land marketing graphics & listing visuals) - Excel & Google Sheets - Data organization & listing management ✅ Why Clients Work With Me ✔ High attention to detail ✔ Strong polygon accuracy ✔ Organized, structured workflow ✔ Reliable communication ✔ Able to handle both annotation and land VA tasks If you need accurate roof or aerial image annotation - or structured land marketing VA support - I’m ready to help.