Hire the Top 3% of GIS Developers in 48 Hours

Hire vetted GIS developers, engineers, programmers, coders, architects, and consultants on demand. Leading companies choose GIS freelancers from Toptal for their most important development projects.

Meet GIS Developers in our Exclusive Network

Featured Talent

Daniel Demonceau, Freelance GIS Programmer for Hire.

Daniel Demonceau

Verified Expert in Engineering
16 Years of Experience

GIS Developer

A full-stack developer with over 15 years of experience, Daniel specializes in architecting end-to-end geographic information systems (GIS). His expertise spans database design, REST API development, ETL scripting, and back-end optimization, all while crafting intuitive React front ends. He's also a respected voice in the GIS community, sharing insights and solutions on his widely followed technical blog.

GISJavaScriptArcGISPostgreSQLSQLReact.jsGitTypeScriptGoogle Maps DevelopmentVisual Studio DevelopmentWindows DevelopmentLinuxPostman
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Mark Heslop, Accomplished GIS Freelancer.

Mark Heslop

Verified Expert in Engineering
27 Years of Experience

GIS Developer

Mark has been working with GIS for more than 20 years and has a comprehensive knowledge of all aspects of spatial data management, analysis, visualization, and interaction. He has a strong ability to quickly understand client requirements and translate them into reliable, functional, and successful GI systems, utilizing out-of-the-box tools for customizations or building stand-alone desktop, server, or cloud applications where appropriate.

GISArcGISVBAMicrosoft Access Development
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Denis Volk, GIS Freelancer.

Denis Volk

Verified Expert in Engineering
24 Years of Experience

GIS Developer

Denis is a senior full-stack AI engineer and data scientist with a PhD in mathematics and a specific focus on AI reliability and security. He's an expert in deploying modern generative AI in production end-to-end, and his skills include AI agents, ML, MLOps, big data, data analytics, and cloud infrastructure. Denis's previous industry experience spans probabilistic risk modeling, forecasting, computer vision, and team leadership across education, retail, manufacturing, and talent sourcing.

GISMacOSAmazon S3AWSPythonGitMATLABData AnalysisMachine LearningMathematicsData ScienceArtificial IntelligenceNumPy
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Pedro Roquette, Freelance GIS Programmer for Hire.

Pedro Roquette

Verified Expert in Engineering
19 Years of Experience

GIS Developer

Pedro is a software engineer with extensive experience in building scalable software solutions based on .NET and JavaScript architecture. He led and developed a number of systems ranging from management web applications to mobile apps, IoT, and GIS through the years. Pedro enjoys developing heavy-data processing and analytics systems, as well as designing and implementing algorithms to support them.

GISMicrosoft DevelopmentWindows DevelopmentAngularJSC#
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Víctor González, Freelance GIS Engineer.

Víctor González

Verified Expert in Engineering
13 Years of Experience

GIS Developer

Víctor has been working with GIS software for more than 15 years. He has worked on various projects, from driving and developing mainly geospatial components at Xarvio to leading the development and training of a dissemination platform for FAO or developing websites with the latest technology. Along that ride, Víctor has adapted to working in teams ranging from one or two people to dozens, organizing across different subteams, and being productive while working with different technologies.

GISJavaScriptSpringJavaGitSpring BootMicroservices DevelopmentBack-end DevelopersREST API
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Peter Daniels, Freelance GIS Engineer.

Peter Daniels

Verified Expert in Engineering
30 Years of Experience

GIS Developer

Peter is a seasoned data platform expert specializing in the Microsoft stack, including Azure. With skills ranging from data architecture and engineering to database administration and development, his 29 years of experience, multiple certifications, and passion for learning set him apart in addressing clients' diverse data requirements. Most recently, Peter helped a growing company migrate their on-premise data and AI estate into Azure as part of an ERP migration to Microsoft Dynamics 365.

GISData EngineeringData WarehouseDatabaseSSISSQLETLData MigrationCloud EngineeringBusiness Intelligence DevelopmentAutomationData AnalysisData Science
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Martín Levy Daniel, GIS Engineer.

Martín Levy Daniel

Verified Expert in Engineering
6 Years of Experience

GIS Developer

Martín is a versatile data scientist interested in challenging projects. He has worked on numerous projects throughout his professional career in different fields such as finance, market research, technology, and, currently, in GIS and emergency management. Martín stands out for his high adaptability, problem-solving skills, and communication of solutions in business environments.

GIS
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Fabrice Triboix, Accomplished GIS Freelancer.

Fabrice Triboix

Verified Expert in Engineering
27 Years of Experience

GIS Developer

Fabrice is a DevOps engineer with eight years of experience with AWS and six years with both Kubernetes and Terraform. He is very keen on automation (CI/CD, infrastructure as code) and solving complex problems with simple solutions. He worked for clients such as NatWest Bank, Cisco, Topps, the UK Home Office, medium-sized companies, and many startups. His greatest joy is to see his work actually being used in production and making a positive impact on his clients' businesses.

GISCUDPTerraformDockerAWSAnsiblePythonLinuxC++KubernetesDevOpsAWS RDS
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Onur Canci, Accomplished GIS Freelancer.

Onur Canci

Verified Expert in Engineering
15 Years of Experience

GIS Developer

Onur is a qualified full-stack developer with 12+ years of experience, specializing in Java and JavaScript. He focuses on multithreaded, networked, and desktop and multi-layered web applications enabled by the geographic information system (GIS). Onur has built ground-control station applications for various unmanned aerial vehicles (UAVs), including live video, telemetry, and intelligence-sharing platforms for defense projects.

GISJavaLinuxWindows DevelopmentC#MultithreadingDevExpressSoftware DevelopmentReact.jsSpring BootUDPJSONFront End
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Tim Sheerman-Chase, Freelance GIS Engineer.

Tim Sheerman-Chase

Verified Expert in Engineering
23 Years of Experience

GIS Developer

Tim is a software engineer with experience in a wide range of industries, technologies, and academia. His primary programming languages are C++ and Python. He is adept at real-time/multi-threaded systems. Tim also has a degree in physics and a PhD in machine learning/image processing.

GISSoftware DevelopmentOpenCVComputer VisionMultithreadingDebuggingLinuxC++CMachine LearningPython
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Ibrahim Mahmoud Ahmed, Ph.D., Freelance GIS Programmer for Hire.

Ibrahim Mahmoud Ahmed, Ph.D.

Verified Expert in Engineering
29 Years of Experience

GIS Developer

Ibrahim is a veteran data scientist and software developer with a passion for deep learning and extensive experience in statistics and time series. Ibrahim is interested in helping businesses take full advantage of their data and take data-driven actions. His principle is to observe, model, and corroborate, disrupting the status quo with artificial intelligence.

GISUbuntuOracle DevelopmentWindows DevelopmentAWSNLPCloud EngineeringC++C#PyTorchTensorFlowAgile DevelopmentLinux
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Toptal gave us access to the best designers out there, saving us a lot of time and allowing us to build the best possible product.

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