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.

No-Risk Trial, Pay Only If Satisfied.

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Hire Freelance GIS Developers and Engineers

Daniel Demonceau

Freelance GIS Developer
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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Siamak Zolghadri

Freelance GIS Developer
Australia
Toptal Member Since September 3, 2022

Siamak is a geospatial engineer with an academic background in geomatics and has experience in the energy, environmental, science, and technology sectors since 1990. Following decades of GIS projects as a developer, technical lead, and solution designer, he has been a solution architect on many complex projects and programs worldwide since 2016.

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Víctor González

Freelance GIS Developer
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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Sandra Kozomara

Freelance GIS Developer
Serbia
Toptal Member Since June 18, 2020

Sandra brings 20+ years of experience in the development of competitive location and business intelligent systems enabling market opportunity analysis, high-level roll-out strategy, workforce management, operational reporting, and KPIs tracking. She successfully integrates data from companies OSS/BSS, mobile apps, DWH, machine learning models, and external services for the purpose of reporting and data visualization. She has eight years of management experience and is a certified Scrum Master.

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João Tiago Pinheiro Neto Jacob

Freelance GIS Developer
Portugal
Toptal Member Since January 25, 2021

João has a Ph.D. in informatics engineering, specializing in exergames' adaptivity through real-time sensors and GIS data. He is proficient in .NET C# development and has several years' worth of experience with Java (Android SDK) and PHP (Laravel). João has taught several classes, mostly on computer graphics and programming, and participated in several research projects, both as a researcher and as a tech lead. He is often an invited speaker, jury, or participant in game jams.

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Mark Heslop

Freelance GIS Developer
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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JoyAnne Foster

Freelance GIS Developer
United States
Toptal Member Since March 26, 2018

JoyAnne is a software engineer with 20+ years experience. She has developed and managed the full life-cycle of multi-tier full-stack applications. She's self-motivated and has extensive experience on front-end UI work, server code, and back-end DB management, but her love is JavaEE application development.

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Onur Canci

Freelance GIS Developer
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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Martín Levy Daniel

Freelance GIS Developer
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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Simone Parmeggiani

Freelance GIS Developer
Italy
Toptal Member Since August 10, 2022

Simone has a second-level master's degree in geospatial science and technology and is a geospatial data specialist with extensive experience in ArcGIS, QGIS, FME, SQL, and Python, including NumPy, pandas, Matplotlib, ArcPy, and PyQGIS. He is highly skilled in developing the back end of geographical products though he has also worked on the front end and data visualization. Simone has built a cloud-based solution used by EU member states, working at the EU Commission's Joint Research Center.

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Robert Špendl

Freelance GIS Developer
Slovenia
Toptal Member Since February 24, 2021

Robert is an experienced and versatile engineer and manager with vast experience in the development of IT projects, including healthcare, mobility, and custom solutions for environmental infrastructure and industrial process control. From his pioneering work in machine learning and AI for environmental projects in the early 1990s, Robert combines his computer science and chemical and civil engineering expertise to integrate complex technical solutions with advanced software.

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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 Industry Experts

A Toptal director of engineering 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.

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.

  • How do I hire a GIS developer?

    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.

  • How are Toptal GIS developers different?

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

  • Can you hire GIS developers on an hourly basis or for project-based tasks?

    You can hire a GIS developer 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.

  • What is the no-risk trial period for Toptal GIS developers?

    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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