Hire the best Remote Sensing Specialists in Kenya

Check out Remote Sensing Specialists in Kenya with the skills you need for your next job.
  • $35 hourly
    I am a Graduate Engineer in Bachelor of Science Geomatic Engineering and Geospatial Information Systems. I am very passionate about Geomatic engineering leaning towards the aspects of Gis Analyst, Remote Sensing, Cartography, Web Designer, and a Programmer. I pose good interpersonal skills, with experience working well with a team and with little supervision. • Experience with Gis Softwares: Qgis, Arcgis,Erdas,Global Mapper,Envi, Auto cad, R studio • Knowledge of a front-end framework (e.g. React, Vue.js, Angular2) • Experience with alternative web mapping libraries: Mapbox, Leaflet, OpenLayers • Experience of enterprise level spatial databases (i.e. SQL Server or PostgreSQL) • Experience with a back-end web framework such as c# .Net/ Django, but other back-end framework experience is also beneficial. • Automated testing experience (unit testing, e2e testing) • Knowledge of cloud hosting e.g. Azure or AWS. • Experience of using FME to automate workflows
    vsuc_fltilesrefresh_TrophyIcon Remote Sensing
    Classification
    Geospatial Data
    Map Integration
    GeoTIFF
    Cartography
    Data Analysis
    Data Entry
    Microsoft Excel
    JavaScript
    Python
    Digital Mapping
    QGIS
    ArcGIS
    GIS
  • $40 hourly
    I am an expert in helping professionals who need geospatial support to check off the items on their to-do list FAST while getting the quality they will be proud of. If you want to leverage top geospatial expertise in your projects, accomplish more with increased hands-on help, and bring the quality you'll be proud of to your projects then I can definitely help you. Being a Top-Rated Plus Geospatial Expert, I am a master of transforming complex location data into actionable insights. And it's not only about the technicalities, but with me, you also wave goodbye to an experience of project miscommunications or misunderstandings. I prioritize clear, regular updates to keep you in the loop and reduce the uncertainty often associated with complex projects. With every unique project, I deliver solutions customized to your specific needs - offering comprehensive geospatial analysis and GIS consultations. Some key projects I’ve completed include: • Geocoding PIDs to 1970 Census Blocks for Hennepin County US • Geocoding Historical Map of Netherlands • Digitizing Historical Map of Minneapolis and Matching It to Census Data • GIS Data Analytics – Gas Pipeline Mapping (Digital Mapping) • Writing Geospatial Articles for a Geospatial Podcast Whenever you need geospatial support for your projects, I am the expert to turn to for top analysis, modeling, and mapping. I will help you leverage top geospatial expertise in your project, accomplish more with increased hands-on manpower, and bring the quality you'll be proud of to your projects! Contact me today! Best, Deogracias.
    vsuc_fltilesrefresh_TrophyIcon Remote Sensing
    Data Science
    Podcast Show Notes
    Geospatial Data
    Data Analysis
    GIS
    Cartography
    Environmental Science
    Spatial Analysis
    Geographic Infographic
    QGIS
    Data Visualization
    ArcGIS
    R
    Digital Mapping
  • $30 hourly
    I am a Geospatial Data Analyst and Cartographer with data collection, manipulation storage and analysis skills. I am skilled in using various software, including ArcGIS and QGIS, for geospatial analysis. I am also proficient in data visualisation and report generation. I am also experienced in Python and R for scripting, machine learning and data analysis.
    vsuc_fltilesrefresh_TrophyIcon Remote Sensing
    ArcGIS Online
    Adobe Illustrator
    Vector Tracing
    Data Visualization
    QGIS
    Vector Graphic
    GIS
    Geographic Infographic
    Digital Mapping
    ArcGIS
    Python
    R
  • $60 hourly
    Thank you for the interest in my profile. In summary, am a masters graduate in GIS (Geographic Information Systems) and Remote sensing with a passion for data analysis, academic writing, creative writing and statistics. Although GIS and Remote Sensing is my profession with more than four years experience, I possess six years working experience in academic and creative writing. What do I bring to the table? i. Professional handling of any task in GIS, Remote sensing, Data entry and analysis. ii. More than six years experience in academic and creative writing. iii. As for now am looking for writing jobs and all GIS and remote sensing tasks are welcome. iv. Do you need a video edited, subtitles added, noise reduced, or transcribing an interview or audio file from Swahili or Kikuyu to English, I also do that. Core values include; Timely delivery of tasks Impeccable quality of work Respecting my clients and answering their messages promptly
    vsuc_fltilesrefresh_TrophyIcon Remote Sensing
    Academic Writing
    GIS
    AutoCAD Civil 3D
    Creative Writing
    Video Editing
    Survey Design
  • $40 hourly
    I am proficient in Gis and Remote sensing,with enough skills to help serve the problems of the community.
    vsuc_fltilesrefresh_TrophyIcon Remote Sensing
    AutoCAD Civil 3D
    GIS
    Time Series Analysis
    Predictive Analytics
  • $7 hourly
    I'm a GIS specialist focusing on finding solutions to various problems and bettering life through technology.
    vsuc_fltilesrefresh_TrophyIcon Remote Sensing
    Proofreading
    Audio Transcription
    Academic Writing
    Copywriting
    Geospatial Data
    Web Design
    Digital Marketing
    Sensor
    Data Entry
    Social Media Marketing
  • $17 hourly
    Dear client, Welcome to my profile. I am a seasoned freelancer who values integrity, hard work, commitment to service, observe professional communication, good time manager and keen to clients' instructions. I have skills and experience in the following areas -Cartography -GIS Software (ArcGIS, QGIS). -Python programming. -Remote Sensing. -Artificial Intelligence -Virtual assistance Therefore I request you to consider me for short and longterm projects
    vsuc_fltilesrefresh_TrophyIcon Remote Sensing
    Project Management
    Artificial Intelligence
    Deep Learning Framework
    Cartography
    Machine Learning Framework
    ArcGIS
    GIS Software
    Data Entry
    Article Writing
    Database Administration
    Data Analysis
    Python
  • $7 hourly
    Amelite Muchanji. Secondary School Teacher Of Geography and Business studies. Holder of Bed Arts and Information Technology from Jooust. Pursuing Masters Degree in Geography. Equiped with GIS SPSS and Remote sensing. Hold knowledge in Geography, Business, IT, Urban planning, Regional Development, Research Methodology, Hazards and Disaster Management, and Climatology.
    vsuc_fltilesrefresh_TrophyIcon Remote Sensing
    ArcGIS
    Climate Science
    Urban Planning
    Disaster Recovery Plan
    Business
    IBM SPSS
    Database Development
    Geography
    Research Methods
    Quantitative Research
  • $25 hourly
    I’m a Geospatial Engineer passionate about using technology to solve real-world problems. With expertise in GIS, Remote Sensing, Cartography, and Spatial Data Science, I help organizations make better decisions through data-driven insights and efficient solutions. I have hands-on experience with ArcGIS Enterprise deployments, automating workflows, and creating intuitive spatial analysis tools. Whether I’m teaching, training, or supporting teams, I enjoy simplifying complex processes and empowering others to succeed. My goal is to deliver scalable solutions that not only meet immediate needs but also support long-term growth and innovation. Let’s work together to turn your ideas into impactful results!
    vsuc_fltilesrefresh_TrophyIcon Remote Sensing
    ArcGIS Online
    Analytical Presentation
    Data Analysis
    Photogrammetry
    Spatial Analysis
    Geospatial Data
    Cartography
    Information Analysis
    GIS
    QGIS
    ArcGIS
  • $30 hourly
    Am well skilled in engineering survey task, software engineering at beginner level, database management using the ArcGIS and data analysis for remote sensing data, proof reading and report writing and Environment science.
    vsuc_fltilesrefresh_TrophyIcon Remote Sensing
    ERDAS IMAGINE
    Proofreading
    Geography
    Computer Basics
    Article Writing
    Data Entry
    GIS
    Biology
    Survey
    Data Analytics & Visualization Software
    Database Cataloging
    QGIS
    Microsoft Excel
    ArcGIS
  • $15 hourly
    Hello. My name is Allex Wafula, and I am an experienced GIS expert. I have a bachelor’s degree in Geospatial Engineering. I have specialized in GIS and Remote Sensing and have a diverse knowledge of working with satellite and photographic data. I am conversant with QGIS and ArcGIS. I can do any spatial analysis from input, dereferencing, digitizing, and manipulating data. I can work with vector, raster and CSV data. My satisfaction is always getting my clients to have the best work quality within the given time.
    vsuc_fltilesrefresh_TrophyIcon Remote Sensing
    Academic Writing
    Report Writing
    Geography
    Digital Mapping
    Writing
    R
    Land Surveying
    QGIS
    ArcGIS Online
    Cartography
    AutoCAD Civil 3D
    GIS Software
    GIS
  • $30 hourly
    A dedicated GIS and Remote Sensing professional with expertise in Land Use/Land Cover (LULC) analysis, environmental impact assessment, and spatial data analysis. Experienced in utilizing satellite imagery and cloud-based platforms such as Google Earth Engine for environmental monitoring. Proficient in geospatial software like ArcGIS and QGIS, with a strong focus on sustainable development and data-driven decision-making. Demonstrated ability to conduct comprehensive research, data validation and visualization to support informed planning and management. Proficient in applying Python, and cloud-based platforms to analyze trends and correlations in land use data. Strong research and project management skills, complemented by practical experience in data collection, analysis, and the application of geospatial technologies. Adept at working collaboratively to deliver actionable insights in environmental and urban contexts.
    vsuc_fltilesrefresh_TrophyIcon Remote Sensing
    Microsoft PowerPoint
    Microsoft Excel
    Microsoft Word
    On-Camera Presentation
    Python
    QGIS
    Cartography
    AutoCAD Civil 3D
    ArcGIS
    GIS
  • $25 hourly
    As a passionate Geospatial Engineer with a strong background in GIS and remote sensing, I am dedicated to leveraging cutting-edge technology and spatial analysis to solve real-world challenges. With 5+ years of experience in the field. I possess a profound understanding of geospatial data management, analysis, and visualization.
    vsuc_fltilesrefresh_TrophyIcon Remote Sensing
    Autodesk AutoCAD
    Geocoding
    Data Visualization
    Cartography
    Spatial Analysis
    ArcGIS
    QGIS
    Geospatial Data
    GIS
    Python
  • $100 hourly
    I am a geomatician good in all the survey work , geospatial information system and remote sensing. I am driven by precision and accuracy in all my endeavours. Also I am swift and faster in learning new concept.
    vsuc_fltilesrefresh_TrophyIcon Remote Sensing
    Essay Writing
    Cadastral Surveying
    Survey
    Geospatial Data
  • $12 hourly
    My name is Gladys. I am an upcoming GIS analyst. I got passion for climate change action and biodiversity conservation. I have proficiency in map creation, analysis and interpretation, story map creation, drone analysis and interpretation, Remote sensing and satellite imagery and Cartography from my professional area of study. Due to unemployment, I have gained other skills from apprenticeship such as plumbing and freelancing. I also serve in a community based organisation called Community of Sant' Egidio that serves street families and the elderly. I spend my leisure time reading books and watching documentaries. I have dreams of getting a real job someday to cut my overdependence and pay my bills. I hope my prospective employer sees this.
    vsuc_fltilesrefresh_TrophyIcon Remote Sensing
    Leadership Skills
    Marketing Advertising
    Drone
    GIS
  • $15 hourly
    Fullstack GIS developer with proven expertise in land surveying, remote sensing, and spatial analysis. I transform complex geospatial data into actionable insights. Let me help you achieve your project goals with cutting-edge location intelligence.
    vsuc_fltilesrefresh_TrophyIcon Remote Sensing
    CAD & CAM Software
    Business Intelligence
    QGIS
    ArcGIS
    Artificial Intelligence
    Data Science
    MATLAB
    Geospatial Data
    Photogrammetry
    Land Surveying
    Data Analytics
    GIS
    Web Development
    Python
  • $10 hourly
    🌟 Welcome to the World of Maps and Spatial Analysis! 🌍✨ Are you seeking a skilled GIS professional who can turn your geospatial data into actionable insights and captivating maps? Look no further! I'm John Muriithi, a GIS Spatial Analyst and cartographer. 🔍 Expertise Highlights: 🗺️ **Map Making Maven**: I specialize in creating visually stunning and informative maps. 🌐 **Digital and Web Mapping**: I bring maps to life on digital platforms through interactive web maps and GIS applications. 🔢 **Spatial Data Analysis**: I uncover meaningful patterns in spatial data to help you make informed decisions. 🛠️ **GIS Toolkit**: ➡️ **Georeferencing and Digitization**: Ensuring spatial data accuracy. ➡️ **Interpolation and Vector-Raster Operations**: Extracting valuable insights from data. ➡️ **Geodatabase Creation (MySQL)**: Efficient data management. ➡️ **Python-Powered Geoprocessing**: Automating tasks for accuracy and productivity. ➡️ **Image Classification, Clustering, and Segmentation**: Advanced image analysis techniques. ➡️ **AutoCAD Expertise**: Integrating CAD designs into GIS projects for comprehensive spatial analysis. ✨ **Why Choose Me?** 🚀 **Passion for Excellence**: I strive to exceed expectations with exceptional results. 🤝 **Collaborative Approach**: I work closely with you to provide tailored solutions. 📈 **Results-Driven**: I empower you with insights that drive growth and success. 🌟 **Let's Create Something Extraordinary!** Ready to elevate your GIS projects? Contact me today, and let's turn your ideas into reality. Your success story starts here!
    vsuc_fltilesrefresh_TrophyIcon Remote Sensing
    ERDAS IMAGINE
    AutoCAD Civil 3D
    Map Illustration
    Spatial Analysis
    GIS
  • $8 hourly
    A passionate, enthusiastic and purpose driven professional with a background in Petroleum Geoscience, ever ready to make a difference in the Oil and Gas industry as a Petroleum Geoscientist, with appropriate educational knowledge and practical experience in the industry.
    vsuc_fltilesrefresh_TrophyIcon Remote Sensing
    Interpersonal Skills
    Geology
    Field-Map_test
    ArcGIS
    Communication Skills
    Report Writing
    Data Collection
    Time Management
  • $30 hourly
    I am a skilled GIS and Remote Sensing expert with a proven track record in data analysis, management, visualization, and collection. I am also an experienced Land and Engineering Surveyor having worked on numerous construction projects. I am proficient in using CAD and GIS software, including ArcGIS, QGIS, and Civil3D. My expertise extends to Python programming for data and geospatial analysis and visualization and utilizing Google Earth Engine for advanced remote sensing applications.
    vsuc_fltilesrefresh_TrophyIcon Remote Sensing
    Cadastral Surveying
    Land Surveying
    Map Visualization
    Georeferencing
    Geospatial Data
    Geocoding
    Data Cleaning
    Data Analysis
    Google Earth
    Python
    AutoCAD Civil 3D
    QGIS
    ArcGIS
  • $20 hourly
    I am a results-driven Geospatial expert with extensive experience in the geospatial industry. I specialize in overseeing simple to complex Geospatial projects. Lets keep in touch and see what I can do for you.
    vsuc_fltilesrefresh_TrophyIcon Remote Sensing
    Cartography
    Land Surveying
    Python
    Google Map Maker
    ERDAS IMAGINE
    CAD Drafting
    GIS Software
    Spatial Analysis
    Satellite Image
  • $20 hourly
    🏆A super experienced, trusted and very hardworking geospatial sciences, data sciences and machine learning expert with over 10 years of experiences. I graduated from the University of Twente (The Netherlands) in 2019 and have been involved in a plethora of tasks since then. ACADEMICS 🟢MSC in Geospatial Sciences and Earth Observation for natural resources management (University of Twente, Netherlands) 🟢B.A in Geography (Moi University) EXPERIENCES 🟢Consulted for the Prince of Monaco, World Resources Institute, World Bank, The Nature Conservancy, USAID, MacArthur Foundation, The University of Twente, and Green Cross, ECOSIA among others, for over 10 years. PROFICIENCY 🟢GIS and remote sensing 🟢Machine learning and statistics 🟢Proofreading 🟢Data mining 🟢Business analytics 🟢Technical writing *TOOLS* 🟢GIS and Remote Sensing (QGIS, ArcGIS, gvSIG, SAGA, UDig, PostGIS, Google Earth Engine, Google Earth, GeoDA, Global Mapper, SNAP, Trimble Ecognition, and ENVI) 🟢Data science (Erdas, Rapid-miner, Microsoft Excel, SPSS, R, Python, Stata, Minitab, JMP, WinRATS, Eviews, Jamovi 🟢Business Analytics (Tableau, Google Data Studio, Power BI) PREVIOUS PROJECTS 🟢Mapping treeline ecotone dynamics along a latitudinal gradient using fine-scale resolution imagery in European Mountains 🟢Image mosaicking and composting in Google Earth Engine 🟢Generalized linear models in R to correlate ecological factors and the Rift Valley Fever outbreak 🟢The generation of NDVI, LST, and MNDWI with the GEE 🟢Bayesian Regression with Jamovi 🟢The Decision Trees classification with the KNIME Analytics platform 🟢Generation of Rift Valley Fever risk maps with QGIS based on several significant predictors 🟢Prediction of species distribution from a set of records and environmental variables with MAXENT , BRT,GARP, ENFA, Random Forest,GARP and the DOMAIN algorithms 🟢Lazy classifiers in Google Colab (python) to choose the optimum algorithm for regression and classification of datasets. 🟢Use of elastic net and Lasso regression models in r and python 🟢Network analysis for the identification of optimal routes from one destination to another as well as service areas of facilities 🟢NDVI time series modeling between 2003 to 2019 for Cameroon to find out the vegetation quality dynamics. 🟢Cardio-vascular diseases prediction using machine learning algorithms in python. 🟢Ontario 2016 Census Data Analysis for Business Profiling using R-Markdown 🟢Dashboard creation using Microsoft Excel, Tableau, and Power BI for a simplified data visualization. 🟢Performing ARIMA time series modeling and prediction of phenomena for information-based decision making. 🟢Blue economy suitability modeling for aquaculture establishment for Gujarati Coast. 🟢Linear programming and scenario analysis enabling adaptation strategies. 🟢Land use cover classification and biomass mapping in Mount Kulal for sustainable forest management. 🟢Data wrangling using R to enrich and structure data into a suitable format for effective and efficient decision making 🟢Processing of point clouds to generate Digital Elevation Models as well as Canopy Height Models 🟢Writing concise and precise field, seminars, and workshop reports. 💬I execute my tasks with high realiability and trust. Always glad to chat with the clients.
    vsuc_fltilesrefresh_TrophyIcon Remote Sensing
    Spatial Analysis
    Data Modeling
    Academic Research
    IBM SPSS
    Statistics
    Writing
    Essay Writing
    GIS
    Weka
    Data Science
    Tableau
    R
    Qualitative Research
  • $30 hourly
    As a data expert with 4+ years of experience in data analytics, geospatial information science, and remote sensing, I can help you extract valuable insights from data that will support your decision-making process. I have a strong background in both spatial and non-spatial data analysis and have successfully completed numerous projects involving geospatial data analysis, remote sensing, software engineering, and geospatial infrastructure development. Whether you need help with cartographic map design and visualization, GIS analysis and modeling, classification of remote sensing imagery, land-use, and zoning maps, or PostGIS database creation and management, I am here to help. 🔸🔸🔸 𝙋𝙍𝙊𝙅𝙀𝘾𝙏𝙎 𝙄 𝙃𝘼𝙑𝙀 𝘿𝙊𝙉𝙀: ✅ Developing Web GIS Applications using Leaflet. ✅ Data Scraping Airbnb for homes within Nairobi City using Python. ✅ Spatial Database Design and Implementation on PostgreSQL. ✅ E-commerce Web Application using React and Ruby on Rails. ✅ Object-Based feature extraction from high-resolution satellite Image ✅ Analysis of Nairobi City's Road Transport Network using QGIS. I am passionate about helping clients solve complex problems using data and would be excited to assist you with your project. Contact me today to discuss your needs and how I can help you turn your data into valuable insights.
    vsuc_fltilesrefresh_TrophyIcon Remote Sensing
    Leaflet
    JavaScript
    Web Development
    GIS Software
    ArcGIS
    Content Writing
    GIS
    QGIS
    Technical Writing
    pandas
    Data Visualization
    SQL
    Python
    Data Analysis
  • $20 hourly
    Hi! I am a data and GIS expert with experience in Geographical Data analysis techniques and data visualization in GIS platforms. I am well experienced in working with platforms such as ArcGIS, QGIS, and Tableau, I am also well proficient in R and Python libraries. I can handle any level of data analysis with ease and guarantee great results. I am willing to work with any company or individual to assist you in any data analysis or visualization that you require, at an afordable rate and quick delivery time.
    vsuc_fltilesrefresh_TrophyIcon Remote Sensing
    Audio Editing
    Video Editing
    Data Entry
    GIS
    Data Analysis
    Microsoft Power BI Data Visualization
    Data Visualization
    ArcGIS
    R
    Tableau
  • $20 hourly
    Hello, my name is Gerald , I specialize in crafting engaging and informative scripts for a variety of channels and audiences. I have a deep understanding of the YouTube platform and what it takes to create content that resonates with viewers. With my experience in screenwriting and my passion for storytelling, I am able to create scripts that not only convey information but also entertain and captivate audiences. I am always up to date on the latest trends and techniques in the YouTube space, and I am able to tailor my writing to meet the needs of individual channels and creators. Whether it's a comedy sketch, a product review, or a deep-dive analysis of a topic, I have the skills and expertise to write scripts that engage viewers and drive engagement. I understand the importance of collaboration and communication with my clients, and I am always willing to work closely with them to ensure that their vision is brought to life in the scripts I create. I take great pride in my work and strive to deliver the highest quality content possible. I am confident that I have the skills and experience to help your YouTube channel stand out from the crowd and achieve success.
    vsuc_fltilesrefresh_TrophyIcon Remote Sensing
    Boonex Dolphin
    Dolphin Dynamics
    Data Science
    GIS
    Geospatial Data
    Writing
    Article Writing
    Ghostwriting
    YouTube Channel Intro
    YouTube Marketing
    Scriptwriting
    YouTube SEO
    Scripting
    Content Writing
  • $16 hourly
    Python programming- Experienced in using python in solving real world problems. Fields of interest include; web scrapping, data cleaning and visualization, data analysis, machine learning, building spatial models and automation of geospatial processes. Professional cartographer- experienced in map making and interpretation. Remote Sensing- Expert in processing of satellite imagery Professional project manager Posses good research and analytical skills
    vsuc_fltilesrefresh_TrophyIcon Remote Sensing
    Geospatial Data
    Web Scraping
    Spatial Analysis
    Data Analysis
    Machine Learning
    Microsoft Excel
    Python
  • $15 hourly
    I am a Geo Data Scientist with expertise in geospatial data science, web development, and databases. I transform geospatial data into actionable insights, turning ideas into websites, and converting data into meaningful information. I work with tools such as Python, ArcGIS, QGIS, and Google Earth Engine. My goal is to deliver top-notch solutions and services to my clients through insightful spatial analysis.
    vsuc_fltilesrefresh_TrophyIcon Remote Sensing
    JavaScript
    Geospatial Data
    Artificial Intelligence
    PostgreSQL
    QGIS
    GIS
    Python
    ArcGIS
    Machine Learning
    Data Science
    TensorFlow
  • $10 hourly
    Versatile professional offering specialized GIS, Remote Sensing, and Content Writing services. Equipped with a strong background in Geomatics Engineering and proven expertise in spatial data analysis, land surveying, remote sensing, cartography, and GIS software (ArcGIS, QGIS, ERDAS). Skilled in developing customized geospatial solutions, from data acquisition and processing to visualization and application development. Complementing my technical abilities, I bring exceptional writing and communication skills. Proficient in creating compelling content across various formats, including technical documentation, SEO-optimized articles, marketing copies, academic papers, and ghostwriting projects. Adept at conveying complex information in a clear, engaging manner. Combining geospatial prowess with a flair for writing, I deliver accurate, well-researched, and visually appealing deliverables. Committed to providing high-quality services, meeting deadlines, and ensuring client satisfaction through a collaborative approach. Let's discuss your requirements and explore how I can contribute value to your projects.
    vsuc_fltilesrefresh_TrophyIcon Remote Sensing
    Certified Financial Planner
    Blog Writing
    Python
    Photogrammetry
    Cartography
    On-Page SEO
    Land Surveying
    GIS
    Data Analysis
  • Want to browse more freelancers?
    Sign up

How hiring on Upwork works

1. Post a job

Tell us what you need. Provide as many details as possible, but don’t worry about getting it perfect.

2. Talent comes to you

Get qualified proposals within 24 hours, and meet the candidates you’re excited about. Hire as soon as you’re ready.

3. Collaborate easily

Use Upwork to chat or video call, share files, and track project progress right from the app.

4. Payment simplified

Receive invoices and make payments through Upwork. Only pay for work you authorize.