Page 1 of 3

Frontend Developer (GIS+React) Candidates

Welcome to your hiring space for your Frontend Developer (GIS + React) opening. From here you can review preselected candidates and provide feedback.

• Review the role's landing page here

Preselected Candidates

Candidates submitted on February 10th 2026

• Ricardo Guzmán (Mexico)

Frontend Developer with a Bachelor of Computer Science Engineering and nearly 4 years of experience in frontend development, specializing in geospatial applications. He has 2+ years of dedicated React experience and has worked with OpenLayers, as demonstrated in his current role at Nidiro, where he develops interactive map visualization systems. His core expertise involves rendering and managing time-series data on maps, and he has successfully optimized map layer management for heavy layers with over 10k features. He has hands-on experience building GIS solutions that import and display data from external sources and is familiar with geospatial formats like GeoJSON, KML, and KMZ.

• Junior Flores (Peru)

Full Stack Developer with a Systems Engineering degree and over 5 years of experience building scalable, data-driven geospatial (GIS) applications. He has a strong background as a Geospatial Data Engineer at Development Seed, where he designed and deployed full-stack web applications. His expertise includes 5 years with React.js and extensive experience building interactive visualization tools using GIS libraries such as OpenLayers, Mapbox, and Leaflet. He developed a GIS Cadastral System for local governments using React and OpenLayers, and engineered a real-time vehicle-tracking platform using React and Mapbox.

• Gabriel Leite Araujo (Brazil)

Software Engineer with a Bachelor's Degree in Computer Engineering and Computer Science and 6+ years of experience in full-stack development, specializing in geospatial applications for the oil and gas industry. He has 6 years of hands-on experience with React.js and advanced proficiency in OpenLayers, which he used at Geopost Energy to co-design and develop a web-based interactive dashboard for visualizing oil exploration data, including wells and fields from Shapefiles. At Katalyst Data Management, he engineered an in-house 3D Well Viewer using React.js and .NET Core, eliminating reliance on third-party services.

Candidates submitted on January 15th, 2026

• Erick Paiva Silva (Brazil)

Frontend Developer with 3 years of experience in React.js, specializing in geospatial (GIS) applications. His expertise is in OpenLayers (Advanced), demonstrated through his work on a land regularization application where he developed an interactive map to display and manage over a thousand land layers in KML format. He implemented complex functionalities, including clustering, drawing features, distance measurement, and over 100 grouped filters. He has experience handling large datasets, virtualizing a table with over 100 columns and 100,000 rows using TanStack Table, a comparable library to AG Grid. His technical skills include React.js (Advanced), JavaScript, HTML5, and CSS3. While his primary focus is frontend, he has experience with Node.js and PostgreSQL for basic backend tasks.

• Rodrigo Martínez (Mexico)

Frontend Developer with a Bachelor's Degree in Information Technology and 4+ years of experience specializing in complex geospatial (GIS) web applications. He possesses +3 years of tenure at Tycho Solutions, where he engineered critical infrastructure visualization platforms from scratch. His projects include an interactive map displaying electrical grids across Latin America (Mexico, Chile, Colombia) and a dashboard visualizing emissions data and energy infrastructure in Europe. His technical expertise is anchored in React.js (Advanced) and JavaScript, utilizing Mapbox GL JS (Advanced) and Deck.gl

• Lucas Marcone (Brazil)

Full Stack GIS Developer with a Bachelor's Degree in Geography, a Postgraduate Degree in Georeferencing, and over 5 years of experience developing data-driven WebGIS applications. His expertise is in building interactive geospatial platforms using React (Advanced) and JavaScript (Advanced), combined with a deep knowledge of GIS libraries, including OpenLayers, Leaflet, and Deck.gl. He has engineered solutions for the public and environmental sectors, such as developing a WebGIS platform for the Brazilian Federal Assets Office to visualize maritime land datasets.