Hire the Top 3% of Freelance GIS Developers

Toptal is a marketplace for top GIS developers, engineers, programmers, coders, architects, and consultants. Top companies and startups choose Toptal GIS freelancers for their mission-critical software projects.

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Clients rate Toptal GIS developers 4.9 / 5 on average based on 1,311 reviews.

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Find and hire Top GIS Developers worldwide. Simply click on your preferred time zone on the map.

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Hire Freelance GIS Developers in the UTC-08:00 America/Los Angeles time zone

Trevor N Hayward

Freelance GIS Developer
UTC-08:00
United States
Toptal Member Since November 4, 2022

A proven architect, database developer, and leader, Trevor focuses on enterprise systems solving complex process and data challenges across a diverse array of fields, including aerospace, telecom, law enforcement, and electric utilities. His broad technical perspective and years of full lifecycle experience drive practical approaches to architectural decisions.

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Kevin Saul

Freelance GIS Developer
UTC-07:00
United States
Toptal Member Since December 12, 2022

Kevin is a senior data engineer and professional services consultant providing software solutions for large and complex data storage, integration, analysis, and reporting. He has 22 years of experience developing, delivering, and maintaining data-centric software solutions and eight years of experience in analytical chemistry. He has experience consulting with a variety of industries, including finance, education, logistics, retail, agriculture, and environmental research.

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Mark Heslop

Freelance GIS Developer
UTC-06:00
Thailand
Toptal Member Since July 13, 2021

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.

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Martín Levy Daniel

Freelance GIS Developer
UTC-03:00
Argentina
Toptal Member Since April 9, 2021

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.

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Pedro Roquette

Freelance GIS Developer
UTC+00:00
Portugal
Toptal Member Since September 19, 2016

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.

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Víctor González

Freelance GIS Developer
UTC+01:00
Spain
Toptal Member Since June 19, 2018

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.

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Onur Canci

Freelance GIS Developer
UTC+03:00
Turkey
Toptal Member Since June 24, 2022

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.

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Abuzar Hasanov

Freelance GIS Developer
UTC+04:00
Azerbaijan
Toptal Member Since May 20, 2022

Abuzar is a back-end developer with 10+ years of experience in all phases of the software development lifecycle. He excels in C#, SQL and NoSQL, ASP.NET Core, Azure, microservice architecture in the Agile development process, design patterns, data structures, algorithms, and asynchronous programming. Abuzar enjoys solving problems while delivering outstanding software products to end-users.

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Vladimir Raschupkin

Freelance GIS Developer
UTC+07:00
Russia
Toptal Member Since April 20, 2018

Vladimir has significant experience in .NET, C#, and C++ programming in different areas—API, UI, low-level high-performance libraries (C++), and GIS. He has a knack for finding meaningful creative ways to solve complicated tasks, which he happens to adore solving. Throughout his career, Vladimir has often solved performance/memory leak issues, and his entrepreneurial experience comes in handy, helping him see his tasks from a business perspective.

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Ibrahim Mahmoud Ahmed, Ph.D.

Freelance GIS Developer
UTC+08:00
Australia
Toptal Member Since April 22, 2019

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.

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Daniel Demonceau

Freelance GIS Developer
UTC+10:00
Australia
Toptal Member Since September 22, 2022

Daniel is an experienced full-stack developer with over 14 years of experience specializing in GIS. He excels at database design, REST API development, ETL scripting, optimizing back-end systems, and crafting intuitive React front ends. Notably, Daniel runs a widely followed technical blog, offering invaluable insights into GIS problem-solving.

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THE TOPTAL ADVANTAGE

98% of Toptal clients choose to hire our talent after a risk-free trial.

Toptal's screening and matching process ensures exceptional talent are matched to your precise needs.

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Toptal in the press

... allows corporations to quickly assemble teams that have the right skills for specific projects.

Despite accelerating demand for coders, Toptal prides itself on almost Ivy League-level vetting.

Our clients
Creating an app for the game
Conor Kenney
Creating an app for the game
Leading a digital transformation
Elmar Platzer
Leading a digital transformation
Building a cross-platform app to be used worldwide
Building a cross-platform app to be used worldwide
Drilling into real-time data creates an industry game changer
Drilling into real-time data creates an industry game changer
Testimonials
Tripcents wouldn't exist without Toptal. Toptal Projects enabled us to rapidly develop our foundation with a product manager, lead developer, and senior designer. In just over 60 days we went from concept to Alpha. The speed, knowledge, expertise, and flexibility is second to none. The Toptal team were as part of Tripcents as any in-house team member of Tripcents. They contributed and took ownership of the development just like everyone else. We will continue to use Toptal. As a startup, they are our secret weapon.

Brantley Pace

CEO & Co-Founder

I am more than pleased with our experience with Toptal. The professional I got to work with was on the phone with me within a couple of hours. I knew after discussing my project with him that he was the candidate I wanted. I hired him immediately and he wasted no time in getting to my project, even going the extra mile by adding some great design elements that enhanced our overall look.

Paul Fenley

Director

The developers I was paired with were incredible -- smart, driven, and responsive. It used to be hard to find quality engineers and consultants. Now it isn't.

Ryan Rockefeller

CEO

Toptal understood our project needs immediately. We were matched with an exceptional freelancer from Argentina who, from Day 1, immersed himself in our industry, blended seamlessly with our team, understood our vision, and produced top-notch results. Toptal makes connecting with superior developers and programmers very easy.

Jason Kulik

Co-founder

As a small company with limited resources we can't afford to make expensive mistakes. Toptal provided us with an experienced programmer who was able to hit the ground running and begin contributing immediately. It has been a great experience and one we'd repeat again in a heartbeat.

Stuart Pocknee

Principal

How to Hire GIS Developers Through Toptal

1

Talk to One of Our Client Advisors

A Toptal client advisor will work with you to understand your goals, technical needs, and team dynamics.
2

Work With Hand-selected Talent

Within days, we'll introduce you to the right GIS developer for your project. Average time to match is under 24 hours.
3

The Right Fit, Guaranteed

Work with your new GIS developer for a trial period (pay only if satisfied), ensuring they're the right fit before starting the engagement.

Find Experts With Related Skills

Access a vast pool of skilled developers in our talent network and hire the top 3% within just 48 hours.

Capabilities of GIS Developers

Harness the power of geospatial data with Toptal’s GIS experts: They excel at building custom geographic information systems and mapping solutions with tools like ArcGIS, QGIS, and spatial databases to visualize and analyze complex datasets.

Custom GIS Application Development

GIS applications offer powerful tools for geographic data analysis. Toptal developers create bespoke GIS solutions tailored to specific business needs that help users effectively visualize and interpret complex spatial data to make informed decisions.

Web-based Mapping Solutions

Interactive web-based maps provide an immersive experience that enhances user engagement. Using technologies such as Leaflet, OpenLayers, or Google Maps API, our developers build responsive web applications that allow users to interact with real-time maps and spatial data through their browsers.

Mobile GIS Application Development

Field data collection and analysis benefit significantly from mobile GIS solutions. Toptal experts create mobile applications with offline functionality so users can collect, update, and analyze spatial data in the field, then seamlessly synchronize data when network connectivity becomes available.

3D Mapping and Visualization

Three-dimensional visualization adds depth to spatial analysis, providing valuable insight. Toptal GIS developers create sophisticated 3D mapping solutions that allow users to visualize terrain, infrastructure, or assets in three dimensions, enhancing spatial understanding and supporting more informed decision-making processes.

Integration With GPS and Remote Sensing Data

Combining GIS with GPS and remote sensing increases the accuracy of the measured data. Our developers integrate these technologies to provide instantaneous location tracking and incorporate satellite imagery, creating comprehensive geographic data sets for in-depth analysis and visualization.

Spatial Analysis and Modeling

Advanced spatial analysis drives insights that aid in decision-making for various sectors. Using tools like ArcGIS or QGIS, our experts perform complex spatial modeling and analysis to support applications in urban planning, environmental monitoring, and resource management.

Custom Geospatial APIs

Seamless integration of location-based services requires robust and reliable APIs. Toptal GIS developers design and implement custom geospatial APIs for real-time data access and smooth integration of location-based functionalities into existing systems or applications.

Geospatial Data Management

Handling large volumes of geospatial data requires specialized expertise. Our developers implement efficient data storage and retrieval systems using spatial databases like PostGIS or MongoDB, which optimizes performance of complex spatial queries and large-scale data processing.

Automating GIS Processes

Many processes can be automated to save time and resources, improving efficiency in GIS operations. Toptal experts automate routine GIS processes—such as data updates, report generation, and spatial analysis—using scripting languages like Python to streamline workflows and improve overall productivity.

GIS Data Security and Compliance

Geospatial data often contains sensitive information that needs to be secured. Toptal developers implement robust security measures for GIS applications, adhering to industry standards and regulations. These solutions provide secure access control to safeguard valuable spatial information from unauthorized access or breaches.

FAQs

  • How quickly can you hire with Toptal?

    Typically, you can hire a GIS developer with Toptal in about 48 hours. For larger teams of talent or Managed Delivery, timelines may vary. Our talent matchers are highly skilled in the same fields they’re matching in—they’re not recruiters or HR reps. They’ll work with you to understand your goals, technical needs, and team dynamics, and match you with ideal candidates from our vetted global talent network.

    Once you select your GIS developer, you’ll have a no-risk trial period to ensure they’re the perfect fit. Our matching process has a 98% trial-to-hire rate, so you can rest assured that you’re getting the best fit every time.

  • To hire the right GIS developer, it’s important to evaluate a candidate’s experience, technical skills, and communication skills. You’ll also want to consider the fit with your particular industry, company, and project. Toptal’s rigorous screening process ensures that every member of our network has excellent experience and skills, and our team will match you with the perfect GIS developers for your project.

  • At Toptal, we thoroughly screen our GIS developers to ensure we only match you with the highest caliber of talent. Of the more than 200,000 people who apply to join the Toptal network each year, fewer than 3% make the cut.

    In addition to screening for industry-leading expertise, we also assess candidates’ language and interpersonal skills to ensure that you have a smooth working relationship.

    When you hire with Toptal, you’ll always work with world-class, custom-matched GIS developers ready to help you achieve your goals.

  • You can hire GIS developers on an hourly, part-time, or full-time basis. Toptal can also manage the entire project from end-to-end with our Managed Delivery offering. Whether you hire an expert for a full- or part-time position, you’ll have the control and flexibility to scale your team up or down as your needs evolve. Our GIS developers can fully integrate into your existing team for a seamless working experience.

  • We make sure that each engagement between you and your GIS developer begins with a trial period of up to two weeks. This means that you have time to confirm the engagement will be successful. If you’re completely satisfied with the results, we’ll bill you for the time and continue the engagement for as long as you’d like. If you’re not completely satisfied, you won’t be billed. From there, we can either part ways, or we can provide you with another expert who may be a better fit and with whom we will begin a second, no-risk trial.

Tap Into World-Class Talent

  • Trusted Experts Only

    Trusted Experts Only

    All of our talent are seasoned experts who ramp up quickly, readily contribute as core team members, and work with you to minimize onboarding time.

  • The Right Fit

    The Right Fit

    We have a knack for matching you with the right fit. Start working with your new hire on a no-risk trial period, paying only if satisfied.

  • Scale as Needed

    Scale as Needed

    Hire talent within 48 hours and scale your team up or down as needed, no strings attached.

  • Seamless Hiring

    Seamless Hiring

    We handle all aspects of billing, payments, and NDA’s. Let us take care of the overhead while you focus on building great products.

  • Flexible Engagements

    Flexible Engagements

    Choose the engagement type that suits your needs — hourly, part-time, or full-time — with the ability to change anytime.

  • Expert Talent Matching

    Expert Talent Matching

    Focus on your project and enjoy support from your dedicated account executive and expert talent matcher.

Top GIS Developers Are in High Demand.

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